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version 1.46, 2022/03/15 18:40:36 version 1.71, 2024/06/28 08:00:16
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 *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>  2024-06-28  Nicolas Brouard  <brouard@brouardtwo>
         * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett  
           * imach.c (Module): s6 errors with age*age (harmless).
 *2021-03-08  Nicolas Brouard   <brouard@ined.fr>  
   2024-05-12  Nicolas Brouard   <brouard@ined.fr>
         * ./ (Module): Fixed bug on result:  
           * imach.c Version 0.99s5 In fact, the covariance of total life
 *2021-02-20  Nicolas Brouard   <brouard@ined.fr>          expectancy e.. with a partial life expectancy e.j is high,
           therefore the complete matrix of variance covariance has to be
         * imach.c (Module): Fix bug on quitting after result lines!          included in the formula of the standard error of the proportion of
         (Module): Version 0.99r21          total life expectancy spent in a specific state:
           var(X/Y)=mu_x^2/mu_y^2*(sigma_x^2/mu_x^2 -2
 2021-02-12  Nicolas Brouard   <brouard@ined.fr>          sigma_xy/mu_x/mu_y+sigma^2/mu_y^2).  Also an error with mle=-3
           made the program core dump. It is fixed in this version.
         * imach.c (Module): The use of a Windows BOM (huge) file is now an error  
   2024-04-30  Nicolas Brouard   <brouard@ined.fr>
   
 2021-02-11  Nicolas  Brouard   <brouard@ined.fr>          * (Module): In version 0.99s4, we incorporated the calculation of
           the std error of the proportion of total life expectancy spent in
         *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.          a specific state Var(e.j/e..) using the formula of Var(X/Y)
           depending only of the variances of X and Y and expectancies.
 2020-02-22  Brouard Nicolas  <brouard@ined.fr>  
   2024-04-24  Nicolas Brouard   <brouard@ined.fr>
         *  (Module): imach.c Update mle=-3 (for computing Life expectancy  
         and life table from the data without any state)          * (Module): This version comes late after having tested
           successfully the praxis C version of Buckhardt.  But Buckardt's
 2019-05-20  Brouard Nicolas  <brouard@ined.fr>          version was difficult to read and Gegenfurtner's version had a few
           typos which made its results less reliable than Buckhardt's
         * version.h: Summary: version 0.99.r19          results.  The most important work consisted in retyping the Brent
           original PRAXIS program written in Algol W (published with errors,
         * imach.c: Summary: Projection syntax simplified          ommitting the transposition of matrix V before its QR reduction
         We can now start projections, forward or backward, from the mean date          from Golub. I used the recent "awe" compiler from Gkynn Webster.
         of inteviews up to or down to a number of years of projection:          The awe library had errors, for example in arc tangent function
         prevforecast=1 yearsfproj=15.3 mobil_average=0          which have been fixed.
         or  
         prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0          The main objective was to get identical results with the three
         or          versions: (1) Algol W, (2) Buckhardt'C version as well (3)
         prevbackcast=1 yearsbproj=12.3 mobil_average=1          Gegenfürtner C versions on the various test functions published by
         or          Brent in 1973 in Algol W.
         prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1  
           Also, in order to compare them, the random function had to produce
 2019-05-18  Brouard Nicolas  <brouard@ined.fr>          the same sequence for the 3 softwares. The random function used in
           imach corresponds to original Brent's random function written in
         * imach.c: Summary: doxygen tex bug          Algol W.  Other point, in Algol W, the arrays of dimension n are
           'normal' mathematical arrays starting from 1 to n. But this is a
 2019-05-16  Brouard Nicolas  <brouard@ined.fr>          real issue in C where, by default, arrays are starting from 0 to
           n-1. In Buckhardt, as well as in Gegenfürtner C code, it can be
         * imach.c: Summary: There was some wrong lines added          seen that authors while trying to mimick original Brent Algol W
           code are hesitating by changing either a loop originally from 1 to
 2019-05-09  Brouard Nicolas  <brouard@ined.fr>          n in a loop from 0 to n-1, or keeping Brent's loop from 1 to n and
           shifting the index from original X(I) in Algol W to x[i-1] in C.
         * Makefile, imach.c: *** empty log message ***          But as IMaCh is using, since the beginning, the Numerical Recipes
           functions vector or matrix, I changed Geggenfürtner code to mimick
         * ChangeLog: Summary: C=          the original Algol W arrays. Thus the X(I) is translated in C as
           x[i] which minimizes the errors. The Golub QR algorithm was
         * imach.c: Summary: Some updates          published in Algol with overflow errors which were reproduced in
           Brent's Algol W code. Buckhardt code fixed these errors which are
         * imach.c: Summary: Before ncovmax          much more problematic in C than in Algol W.  Thus Buckhardt code
           seems very safe, but i haven't chosen it for IMaCh because the C
         * version.h: *** empty log message ***          style is horrible and almost unreadable compared to Gegenfürtner
           CO code which is very close to Brent's original. Also what makes
         * imach.c: Summary: 0.99r18 unlimited number of individuals          Buckhardt code more difficult to read is, instead of passing the
         The number n which was limited to 20,000 cases is now unlimited, from firstobs to lastobs. If the number is too for the virtual memory, probably an error will occur.          minimum of parameters in the functions calls, as it is in Algol
           Brent's code or Gegenfürtner's code, the list of parameters is
 2018-12-13  Brouard Nicolas  <brouard@ined.fr>          high. For example, the flin function LONG REAL PROCEDURE FLIN
           (LONG REAL VALUE L) has only one parameter in Algol W, the
         * imach.c: Summary: Bug for young ages (<-30) will be in r17          Gegenfürtner flin function had two parameters: static double
           flin(l, j) double l; { int i; double tflin[N];} but Buckhardt
 2018-12-05  Brouard Nicolas  <brouard@ined.fr>          function has 14 parameters which makes the code unreadable and
           useless. Gegenfürtner used a lot of static variables or functions
         * Makefile: Summary: 0.99r16          which I tried to minimize. Also in Gegefürtner, array dimensions
           were fixed to N. In my adaptation the flin is static double
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          flin(double l, int j) and the parameter used are global variables.
   
         * imach.c: Summary: Some bugs fixed  2023-06-14  Nicolas Brouard   <brouard@ined.fr>
   
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Testing if conjugate gradient could be quicker
           when lot of variables POWELLORIGINCONJUGATE
         * imach.c:  Summary: Bug for young ages (<-30) will be in r17  
   2023-05-23  Nicolas Brouard   <brouard@ined.fr>
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Fixed PROB_r 
         * imach.c: Summary: Some bugs fixed  
   2023-05-22  Nicolas Brouard   <brouard@ined.fr>
 2018-05-01  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): In the ILK....txt file, the number of columns
         * imach.c:          before the covariates values is dependent of the number of states (16+nlstate): 0.99r46
         Summary: Bug fixed by providing frequencies only for non missing covariates  
   2023-05-08  Nicolas Brouard   <brouard@ined.fr>
 2018-04-27  Brouard Nicolas  <brouard@ined.fr>  
           *  (Module): Error V0 when result:. and model 1+age+V1: fixed
         * imach.c: Summary: some minor bugs  
   2023-04-29  Nicolas Brouard  <brouard@ined.fr>
 2018-04-21  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Inverting the model equation and fixingg bugs
         * README.txt: *** empty log message ***          in the drawings
           "1+age+V7*V4*age+V6*V4*age+V7*V3*age+V6*V3*age+V6*V2*age+V7*age+V6*age+V4*age+V3*age+V2*age+V7*V4+V6*V4+V7*V3+V6*V3+V7*V2+V6*V2+V7+V6+V4+V3+V2\000\0003+V2"
         * imach.c: Summary: Some bugs fixed, valgrind tested  
   2023-04-24  Nicolas Brouard  <brouard@ined.fr>
 2018-04-20  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): some bugs in printinggnuplot 
         * Makefile, README.txt, setup.iss: Summary: imach 0.99r16  
   2022-09-19  Nicolas Brouard   <brouard@ined.fr>
         * imach.c:  
         Summary: Computing mean and stdeviation of fixed quantitative variables          * imach.c (Module): Version 0.99r42 needed a newer version of
           Gnuplot. But newer version 0.99r43 should run with the Gnuplot
 2018-04-19  Brouard Nicolas  <brouard@ined.fr>          version 5.0 or 5.1 distributed with IMaCh.
   
         * imach.c: Summary: Some minor bugs fixed  2022-09-18  Nicolas Brouard   <brouard@ined.fr>
   
         * version.h: *** empty log message ***          * imach.c (Module): Fixing when a state in the data is 0 or higher
           than lstate+ndeath. Fixing the plot of contribution to Likelihood.
 2018-02-27  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-16  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c (Module): 0.99r41 Was an error when product of timevarying and fixed. Using FixedV[of name] now. Thank you  Feinuo
         * imach.c: Summary: Adding second argument for quitting  
   2022-09-14  Nicolas Brouard   <brouard@ined.fr>
 2018-02-21  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Fixing names of variables in T_ (thanks to Feinuo)
         * Makefile, README.txt, imach.c: Summary: 0.99r15  
         New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c  2022-09-14  Nicolas Brouard   <brouard@ined.fr>
   
 2017-07-20  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Version 0.99r39 with colored dummy covariates
           (fixed or time varying), using new last columns of
         * imach.c: Summary: temporary working          ILK_parameter.txt file.
   
 2017-07-19  Brouard Nicolas  <brouard@ined.fr>  2022-09-11  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)          * imach.c (Module): Adding timevarying products of any kinds,
           should work before shifting cotvar from ncovcol+nqv columns in
 2017-07-17  Brouard Nicolas  <brouard@ined.fr>          order to have a correspondance between the column of cotvar and
           the id of column.
         * imach.c: Summary: BOM files can be read now          (Module): Some cleaning and adding covariates in ILK.txt
   
 2017-06-30  Brouard Nicolas  <brouard@ined.fr>  2022-09-09  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Graphs improvements          * imach.c (Module): Many improvements for fixing products of fixed
           timevarying as well as fixed * fixed, and test with quantitative
         * imach.c: Summary: Saito's color          covariate.
   
 2017-06-29  Brouard Nicolas  <brouard@ined.fr>  2022-09-04  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Version 0.99r14          * imach.c (Module): Now the easy runs i.e. without result or
           model=1+age only did not work. The defautl combination should be 1
 2017-06-27  Brouard Nicolas  <brouard@ined.fr>          and not 0 because everything hasn't been tranformed yet.
   
         * imach.c: Summary: More documentation on projections  2022-09-02  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)          * imach.c: Version 0.99r35 because it outputs same results with
           1+age+V1+V1*age for females and 1+age for females only
         * imach.c: Summary: Some bug with rint          (education=1 noweight)
   
 2017-05-24  Brouard Nicolas  <brouard@ined.fr>  2022-08-31  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c (Module): Some improvments in fichtm and many verifications 0.99r34
   
 2017-05-23  Brouard Nicolas  <brouard@ined.fr>  2022-08-21  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Code into subroutine, cleanings          * imach.c (Module): Version 0.99r33 A lot of changes in
           reassigning covariates: my first idea was that people will always
 2017-05-18  Brouard Nicolas  <brouard@ined.fr>          use the first covariate V1 into the model but in fact they are
           producing data with many covariates and can use an equation model
         * imach.c:          with some of the covariate; it means that in a model V2+V3 instead
         Summary: backprojection and confidence intervals of backprevalence          of codtabm(k,Tvaraff[j]) which calculates for combination k, for
           three covariates (V1, V2, V3) the value of Tvaraff[j], but in fact
 2017-05-13  Brouard Nicolas  <brouard@ined.fr>          the equation model is restricted to two variables only (V2, V3)
           and the combination for V2 should be codtabm(k,1) instead of
         * imach.c: Summary: temporary save for backprojection          (codtabm(k,2), and the code should be
           codtabm(k,TnsdVar[Tvaraff[j]]. Many many changes have been
         * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)          made. All of these should be simplified once a day like we did in
           hpxij() for example by using precov[nres] which is computed in
 2017-04-26  Brouard Nicolas  <brouard@ined.fr>          decoderesult for each nres of each resultline. Loop should be done
           on the equation model globally by distinguishing only product with
         * imach.c: Summary: imach 0.99r13 Some bugs fixed          age (which are changing with age) and no more on type of
           covariates, single dummies, single covariates. 
         * imach.c: Summary: Labels in graphs  
   2022-08-06  Nicolas Brouard   <brouard@ined.fr>
 2017-04-24  Brouard Nicolas  <brouard@ined.fr>  
           *  imach.c (Module): Version of imach using partly decoderesult to rebuild xpxij function
         * imach.c: Summary: to save  
   2022-08-03  Nicolas Brouard   <brouard@ined.fr>
 2017-04-18  Brouard Nicolas  <brouard@ined.fr>  
           *  imach.c (Module): Many errors in graphs fixed with Vn*age covariates.
         * imach.c: *** empty log message ***  
   2022-07-25  Brouard Nicolas  <brouard@brouard.name>
 2017-04-05  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Error cptcovn instead of nsd in bmij (was
         * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1          coredumped, revealed by Feiuno, thank you.
   
 2017-04-04  Brouard Nicolas  <brouard@ined.fr>  2022-07-23  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Gnuplot indexations fixed (humm)          * r29 W and not sqrt(Wald)
   
         * imach.c:  2022-07-22  Nicolas Brouard   <brouard@ined.fr>
         Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3  
           *  imach.c (Module): Output of Wald test in the htm file and not only in the log. 
 2017-04-03  Brouard Nicolas  <brouard@ined.fr>  
   2022-06-02  Brouard Nicolas  <brouard@brouard.name>
         * imach.c: Summary: Version 0.99r12  
         Some cleanings, conformed with updated documentation.          * imach.c (Module): Adding the Wald tests from the log to the main
           htm for better display of the maximum likelihood estimators.
 2017-03-30  Brouard Nicolas  <brouard@ined.fr>  
   2022-05-30  Brouard Nicolas  <brouard@brouard.name>
         * version.h: *** empty log message ***  
           * imach.c: With products of covariates (age or dummies or
         * version.h: Summary:0.99r11          quantitatives), estimates of parameters were good but when
           estimating variances the positions of newly created covariates
 2017-03-29  Brouard Nicolas  <brouard@ined.fr>          were wrongly assigned and results were wrong. Thank to Feinua_Sun!
   
         * imach.c: Summary: Temp  2022-05-24  Nicolas Brouard   <brouard@ined.fr>
   
 2017-03-27  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Some attempts to find a bug of wrong estimates
           of confidencce intervals with product in the equation modelC
         * imach.c: Summary: Temporary  
   2022-05-15  Nicolas Brouard   <brouard@ined.fr>
 2017-03-08  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module):  Some minor improvements
         * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed  
   2022-04-13  Brouard Nicolas  <brouard@brouard.name>
         * imach.c: Summary: Fixing data parameter line  
           * imach.c (Module): Adding link to text data files
 2016-12-15  Brouard Nicolas  <brouard@ined.fr>  
   2022-04-11  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: 0.99 in progress  
           * imach.c (Module): Error in rewriting the 'r' file with yearsfproj or yearsbproj fixed
 2016-09-15  Brouard Nicolas  <brouard@ined.fr>  
   2022-04-05  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c (Module): Fixed covariates (dummy or quantitative)
         * imach.c: Summary: not working          with missing values have never been allowed but are ERRORS and
           program quits. Standard deviations of fixed covariates were
 2016-09-08  Brouard Nicolas  <brouard@ined.fr>          wrongly computed. Mean and standard deviations of time varying
           covariates are still not computed.
         * imach.c: Summary: continue  
   2022-03-17  Brouard Nicolas  <brouard@ined.fr>
 2016-09-07  Brouard Nicolas  <brouard@ined.fr>  
           * 99r25 Improvements in fixing discrepancies between covariates
         * imach.c: Summary: Starting values from frequencies          missing in result line but in model. 
   
         * imach.c: *** empty log message ***  *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>
           * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett
 2016-09-02  Brouard Nicolas  <brouard@ined.fr>  
   *2021-03-08  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * ./ (Module): Fixed bug on result:
 2016-08-30  Brouard Nicolas  <brouard@ined.fr>  
   *2021-02-20  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Fixing a lots  
           * imach.c (Module): Fix bug on quitting after result lines!
 2016-08-29  Brouard Nicolas  <brouard@ined.fr>          (Module): Version 0.99r21
   
         * imach.c: Summary: gnuplot problem in Back projection to fix  2021-02-12  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Better          * imach.c (Module): The use of a Windows BOM (huge) file is now an error
   
 2016-08-26  Brouard Nicolas  <brouard@ined.fr>  
   2021-02-11  Nicolas  Brouard   <brouard@ined.fr>
         * imach.c:  
         Summary: Improvement in Powell output in order to copy and paste          *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.
   
         * imach.c: Summary: Starting tests of 0.99  2020-02-22  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: to valgrind          *  (Module): imach.c Update mle=-3 (for computing Life expectancy
           and life table from the data without any state)
 2016-08-25  Brouard Nicolas  <brouard@ined.fr>  
   2019-05-20  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * version.h: Summary: version 0.99.r19
 2016-08-23  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Projection syntax simplified
         * imach.c: *** empty log message ***          We can now start projections, forward or backward, from the mean date
           of inteviews up to or down to a number of years of projection:
         * imach.c: Summary: not working          prevforecast=1 yearsfproj=15.3 mobil_average=0
           or
 2016-08-22  Brouard Nicolas  <brouard@ined.fr>          prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0
           or
         * imach.c: Summary: not working          prevbackcast=1 yearsbproj=12.3 mobil_average=1
           or
         * imach.c: Summary: Not working          prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1
   
 2016-07-23  Brouard Nicolas  <brouard@ined.fr>  2019-05-18  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Completing for func too          * imach.c: Summary: doxygen tex bug
   
 2016-07-22  Brouard Nicolas  <brouard@ined.fr>  2019-05-16  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Fixing some arrays, still debugging          * imach.c: Summary: There was some wrong lines added
   
 2016-07-21  Brouard Nicolas  <brouard@ined.fr>  2019-05-09  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c:          * Makefile, imach.c: *** empty log message ***
         Summary: 0.99 working (more or less) for Asian Workshop on multitate methods  
           * ChangeLog: Summary: C=
 2016-07-12  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Some updates
         * imach.c: Summary: temp  
           * imach.c: Summary: Before ncovmax
         * imach.c: Summary: saving but not running  
           * version.h: *** empty log message ***
 2016-07-01  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: 0.99r18 unlimited number of individuals
         * imach.c: Summary: Fixes          The number n which was limited to 20,000 cases is now unlimited, from firstobs to lastobs. If the number is too for the virtual memory, probably an error will occur.
   
 2016-02-19  Brouard Nicolas  <brouard@ined.fr>  2018-12-13  Brouard Nicolas  <brouard@ined.fr>
   
         * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7          * imach.c: Summary: Bug for young ages (<-30) will be in r17
   
         * setup.iss, Makefile, version.h: *** empty log message ***  2018-12-05  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: temporary          * Makefile: Summary: 0.99r16
   
 2016-02-17  Brouard Nicolas  <brouard@ined.fr>  2018-05-02  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Probably last 0.98 stable version 0.98r6          * imach.c: Summary: Some bugs fixed
   
 2016-02-16  Brouard Nicolas  <brouard@ined.fr>  2018-05-02  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: minor bug          * imach.c:  Summary: Bug for young ages (<-30) will be in r17
   
         * imach.c: Summary: 0.99r2  2018-05-02  Brouard Nicolas  <brouard@ined.fr>
   
 2016-02-15  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Some bugs fixed
   
         * imach.c: *** empty log message ***  2018-05-01  Brouard Nicolas  <brouard@ined.fr>
   
 2016-02-12  Brouard Nicolas  <brouard@ined.fr>          * imach.c:
           Summary: Bug fixed by providing frequencies only for non missing covariates
         * imach.c: Summary: 0.99 Back projections  
   2018-04-27  Brouard Nicolas  <brouard@ined.fr>
 2015-12-23  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: some minor bugs
         * imach.c: Summary: Experimental backcast  
   2018-04-21  Brouard Nicolas  <brouard@ined.fr>
 2015-12-18  Brouard Nicolas  <brouard@ined.fr>  
           * README.txt: *** empty log message ***
         * imach.c: Summary: 0.98r4 Warning and status=-2  
           * imach.c: Summary: Some bugs fixed, valgrind tested
         Version 0.98r4 is now:  
          - displaying an error when status is -1, date of interview unknown and date of death known;  2018-04-20  Brouard Nicolas  <brouard@ined.fr>
          - permitting a status -2 when the vital status is unknown at a known date of right truncation.  
         Older changes concerning s=-2, dating from 2005 have been supersed.          * Makefile, README.txt, setup.iss: Summary: imach 0.99r16
   
         * Makefile: *** empty log message ***          * imach.c:
           Summary: Computing mean and stdeviation of fixed quantitative variables
 2015-12-16  Brouard Nicolas  <brouard@ined.fr>  
   2018-04-19  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c: Summary: Some minor bugs fixed
         * imach.c: Summary: 0.98r4 working  
           * version.h: *** empty log message ***
         * Makefile: Summary: linuxrpm added  
   2018-02-27  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c: *** empty log message ***
         * imach.c: Summary: temporary not working  
           * imach.c: Summary: Adding second argument for quitting
 2015-12-11  Brouard Nicolas  <brouard@ined.fr>  
   2018-02-21  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.98r4  
           * Makefile, README.txt, imach.c: Summary: 0.99r15
 2015-12-08  Brouard Nicolas  <brouard@ined.fr>          New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c
   
         * Makefile: *** empty log message ***  2017-07-20  Brouard Nicolas  <brouard@ined.fr>
   
 2015-11-21  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: temporary working
   
         * Makefile:  2017-07-19  Brouard Nicolas  <brouard@ined.fr>
         Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more  
           * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)
         * imach.c: Summary: minor typo  
   2017-07-17  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional  
           * imach.c: Summary: BOM files can be read now
         Author: Nicolas Brouard  
   2017-06-30  Brouard Nicolas  <brouard@ined.fr>
 2015-11-18  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Graphs improvements
         * imach.c: Summary: Start working on projected prevalences  
           * imach.c: Summary: Saito's color
 2015-11-17  Brouard Nicolas  <brouard@ined.fr>  
   2017-06-29  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: Adding ftolpl parameter  
         Author: N Brouard          * imach.c: Summary: Version 0.99r14
   
         We had difficulties to get smoothed confidence intervals. It was due  2017-06-27  Brouard Nicolas  <brouard@ined.fr>
         to the period prevalence which wasn't computed accurately. The inner  
         parameter ftolpl is now an outer parameter of the .imach parameter          * imach.c: Summary: More documentation on projections
         file after estepm. If ftolpl is small 1.e-4 and estepm too,  
         computation are long.          * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)
   
         * version.h: *** empty log message ***          * imach.c: Summary: Some bug with rint
   
         * imach.c: Summary: temporary  2017-05-24  Brouard Nicolas  <brouard@ined.fr>
   
 2015-10-27  Brouard Nicolas  <brouard@ined.fr>          * imach.c: *** empty log message ***
   
         * Makefile: *** empty log message ***  2017-05-23  Brouard Nicolas  <brouard@ined.fr>
   
         * setup.iss.in: Summary: some new subdirs          * imach.c: Summary: Code into subroutine, cleanings
   
         * imach.c: *** empty log message ***  2017-05-18  Brouard Nicolas  <brouard@ined.fr>
   
         * setup.iss.in:          * imach.c:
         Summary: Adding gnuplot 5.1 with bin and etc for pango fonts          Summary: backprojection and confidence intervals of backprevalence
   
 2015-10-24  Brouard Nicolas  <brouard@ined.fr>  2017-05-13  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c: Summary: temporary save for backprojection
   
 2015-10-23  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)
   
         * imach.c:  2017-04-26  Brouard Nicolas  <brouard@ined.fr>
         Summary: 0.98r3 some clarification for graphs on likelihood contributions  
           * imach.c: Summary: imach 0.99r13 Some bugs fixed
 2015-10-01  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Labels in graphs
         * imach.c: Summary: Some new graphs of contribution to likelihood  
   2017-04-24  Brouard Nicolas  <brouard@ined.fr>
 2015-09-30  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: to save
         * Makefile:  
         Summary: Version read from version.h, itself read with cmake  2017-04-18  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: looking at better estimation of the hessian          * imach.c: *** empty log message ***
   
         Also a better criteria for convergence to the period prevalence And  2017-04-05  Brouard Nicolas  <brouard@ined.fr>
         therefore adding the number of years needed to converge. (The  
         prevalence in any alive state shold sum to one          * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1
   
         * Makefile: *** empty log message ***  2017-04-04  Brouard Nicolas  <brouard@ined.fr>
   
 2015-09-22  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Gnuplot indexations fixed (humm)
   
         * imach.c:          * imach.c:
         Summary: Adding some overall graph on contribution to likelihood. Might change          Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3
   
 2015-09-15  Brouard Nicolas  <brouard@ined.fr>  2017-04-03  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: Summary: Version 0.99r12
           Some cleanings, conformed with updated documentation.
         * imach.c: Summary: 0.98r0  
   2017-03-30  Brouard Nicolas  <brouard@ined.fr>
         - Some new graphs like survival functions  
         - Some bugs fixed like model=1+age+V2.          * version.h: *** empty log message ***
   
         * ChangeLog, Makefile: Summary: 0.98r0          * version.h: Summary:0.99r11
   
         * CMakeLists.txt: Summary: Some tests for setup.iss  2017-03-29  Brouard Nicolas  <brouard@ined.fr>
   
 2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>          * imach.c: Summary: Temp
   
         *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc  2017-03-27  Brouard Nicolas  <brouard@ined.fr>
   
 2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>          * imach.c: Summary: Temporary
   
         *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.  2017-03-08  Brouard Nicolas  <brouard@ined.fr>
   
 2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>          * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed
   
         *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)          * imach.c: Summary: Fixing data parameter line
   
 2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>  2016-12-15  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Merging 1.61 to 1.162          * imach.c: Summary: 0.99 in progress
   
 2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>  2016-09-15  Brouard Nicolas  <brouard@ined.fr>
   
         * prevlim.h (Module):          * imach.c: *** empty log message ***
   
 2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>          * imach.c: Summary: not working
   
         * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...  2016-09-08  Brouard Nicolas  <brouard@ined.fr>
         (Module): Version 0.98nR Running ok, but output format still only works for three covariates.  
           * imach.c: Summary: continue
 2010-04-29  brouard  <brouard@ined.fr>  
   2016-09-07  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Checking covariates for more complex models  
         than V1+V2. A lot of change to be done. Unstable.          * imach.c: Summary: Starting values from frequencies
   
 2010-04-26  brouard  <brouard@ined.fr>          * imach.c: *** empty log message ***
   
         * imach.c (Module): merging some libgsl code. Fixing computation  2016-09-02  Brouard Nicolas  <brouard@ined.fr>
         of likelione (using inter/intrapolation if mle = 0) in order to  
         get same likelihood as if mle=1.          * imach.c: *** empty log message ***
         Some cleaning of code and comments added.  
   2016-08-30  Brouard Nicolas  <brouard@ined.fr>
 2009-10-29  brouard  <brouard@ined.fr>  
           * imach.c: Summary: Fixing a lots
         * imach.c (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.  
   2016-08-29  Brouard Nicolas  <brouard@ined.fr>
 2006-06-30  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: gnuplot problem in Back projection to fix
         * imach.c (Module): Clarifications on computing e.j  
           * imach.c: Summary: Better
 2006-04-28  Brouard Nicolas  <brouard@localhost>  
   2016-08-26  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Yes the sum of survivors was wrong since  
         imach-114 because nhstepm was no more computed in the age          * imach.c:
         loop. Now we define nhstepma in the age loop.          Summary: Improvement in Powell output in order to copy and paste
         (Module): In order to speed up (in case of numerous covariates) we  
         compute health expectancies (without variances) in a first step          * imach.c: Summary: Starting tests of 0.99
         and then all the health expectancies with variances or standard  
         deviation (needs data from the Hessian matrices) which slows the          * imach.c: Summary: to valgrind
         computation.  
         In the future we should be able to stop the program is only health  2016-08-25  Brouard Nicolas  <brouard@ined.fr>
         expectancies and graph are needed without standard deviations.  
           * imach.c: *** empty log message ***
 2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
   2016-08-23  Brouard Nicolas  <brouard@ined.fr>
         * imach.iss (Module):  
           * imach.c: *** empty log message ***
         * imach.c (Module): bugs in evsi + population file added in htm output file  
           * imach.c: Summary: not working
 2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
   2016-08-22  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module):  
           * imach.c: Summary: not working
 2006-03-20  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: Not working
         * imach.c (Module): <title> changed, corresponds to .htm file  
         name. <head> headers where missing.  2016-07-23  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile (Module): 0.98g          * imach.c: Summary: Completing for func too
   
         * imach.c (Module): Weights can have a decimal point as for  2016-07-22  Brouard Nicolas  <brouard@ined.fr>
         English (a comma might work with a correct LC_NUMERIC environment,  
         otherwise the weight is truncated).          * imach.c: Summary: Fixing some arrays, still debugging
         Modification of warning when the covariates values are not 0 or  
         1.  2016-07-21  Brouard Nicolas  <brouard@ined.fr>
         Version 0.98g  
           * imach.c:
 2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          Summary: 0.99 working (more or less) for Asian Workshop on multitate methods
   
         * imach.c (Module): Comments concerning covariates added  2016-07-12  Brouard Nicolas  <brouard@ined.fr>
   
         * noreg-setup.iss (Module): Version 0.98f          * imach.c: Summary: temp
   
         * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup          * imach.c: Summary: saving but not running
   
         * imach.c (Module): refinements in the computation of lli if  2016-07-01  Brouard Nicolas  <brouard@ined.fr>
         status=-2 in order to have more reliable computation if stepm is  
         not 1 month. Version 0.98f          * imach.c: Summary: Fixes
   
 2006-03-15  Brouard Nicolas  <brouard@localhost>  2016-02-19  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Bug if status = -2, the loglikelihood was          * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7
         computed as likelihood omitting the logarithm. Version O.98e  
           * setup.iss, Makefile, version.h: *** empty log message ***
 2006-03-14  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: temporary
         * imach.c (Module): varevsij Comments added explaining the second  
         table of variances if popbased=1 .  2016-02-17  Brouard Nicolas  <brouard@ined.fr>
         (Module): Covariances of eij, ekl added, graphs fixed, new html link.  
         (Module): Function pstamp added          * imach.c: Summary: Probably last 0.98 stable version 0.98r6
         (Module): Version 0.98d  
   2016-02-16  Brouard Nicolas  <brouard@ined.fr>
 2006-03-06  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: minor bug
         * imach.c (Module): Variance-covariance wrong links and  
         varian-covariance of ej. is needed (Saito).          * imach.c: Summary: 0.99r2
   
 2006-02-27  Brouard Nicolas  <brouard@localhost>  2016-02-15  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): One freematrix added in mlikeli!          * imach.c: *** empty log message ***
   
 2006-02-26  Brouard Nicolas  <brouard@localhost>  2016-02-12  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Some improvements in processing parameter          * imach.c: Summary: 0.99 Back projections
         filename with strsep.  
   2015-12-23  Brouard Nicolas  <brouard@ined.fr>
 2006-02-24  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: Experimental backcast
         * imach.c (Module): Memory leaks checks with valgrind and:  
         datafile was not closed, some imatrix were not freed and on matrix  2015-12-18  Brouard Nicolas  <brouard@ined.fr>
         allocation too.  
           * imach.c: Summary: 0.98r4 Warning and status=-2
 2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
           Version 0.98r4 is now:
         * strsep.c (Module): Inclusion because not in mingw32!!!           - displaying an error when status is -1, date of interview unknown and date of death known;
            - permitting a status -2 when the vital status is unknown at a known date of right truncation.
         * setup.iss.in (Module): IMACHSETUPVERSION added          Older changes concerning s=-2, dating from 2005 have been supersed.
   
         * noreg-setup.iss (Module): added to cvs tree          * Makefile: *** empty log message ***
   
         * Makefile (Module): IMACHSETUPVERSION added  2015-12-16  Brouard Nicolas  <brouard@ined.fr>
   
 2006-01-30  BROUARD Nicolas  <brouard@localhost>          * Makefile: *** empty log message ***
   
         * Makefile (Module, Module): Latest Makefile          * imach.c: Summary: 0.98r4 working
   
         * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe          * Makefile: Summary: linuxrpm added
   
 2006-01-27  BROUARD Nicolas  <brouard@localhost>          * Makefile: *** empty log message ***
   
         * noreg-setup.iss (Module): ADDED          * imach.c: Summary: temporary not working
   
 2006-01-24  BROUARD Nicolas  <brouard@localhost>  2015-12-11  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Comments (lines starting with a #) are allowed in data.          * imach.c: Summary: 0.98r4
   
 2005-10-25  Nicolas Brouard  <brouard@dhcp171.recherche.ined.fr>  2015-12-08  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile (Module): Added Imach98.pmsp and howto crete a dmg          * Makefile: *** empty log message ***
   
         * createdmg.sh (Module): Creates a dmg disk for MaC OS/X  2015-11-21  Brouard Nicolas  <brouard@ined.fr>
   
 2005-09-30    <lievre@PC_00595>          * Makefile:
           Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more
         * imach.c (Module): sump fixed, loop imx fixed, and simplifications.  
         (Module): If the status is missing at the last wave but we know          * imach.c: Summary: minor typo
         that the person is alive, then we can code his/her status as -2  
         (instead of missing=-1 in earlier versions) and his/her          * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional
         contributions to the likelihood is 1 - Prob of dying from last  
         health status (= 1-p13= p11+p12 in the easiest case of somebody in          Author: Nicolas Brouard
         the healthy state at last known wave). Version is 0.98  
   2015-11-18  Brouard Nicolas  <brouard@ined.fr>
 2004-05-20  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: Start working on projected prevalences
         * imach.c (Repository):  
         Agnes added a direct estimation of mortality (without the need of  2015-11-17  Brouard Nicolas  <brouard@ined.fr>
         computing period prevalence and differential mortality). Thus here  
         is version 0.97a which has been distributed to some people at          * imach.c: Summary: Adding ftolpl parameter
         REVES 16 in Brugge using an Inno setup.exe for PCs. Estimates of          Author: N Brouard
         mortality using covariates is not done today. Estimating direct  
         mortality is a very different process because it doesn't need          We had difficulties to get smoothed confidence intervals. It was due
         interpolation because it is easy to get the lx from the force of          to the period prevalence which wasn't computed accurately. The inner
         the mortality mux in the simplest case as for a Gompertz (log mux          parameter ftolpl is now an outer parameter of the .imach parameter
         = a + b*x . But we have been able to incorporate the new code          file after estepm. If ftolpl is small 1.e-4 and estepm too,
         within former imach program (0.96d) without deteriorating too much          computation are long.
         the understanding of the program.  
           * version.h: *** empty log message ***
 2003-06-25    <brouard@BROUARD>  
           * imach.c: Summary: temporary
         * imach.c (Module): On windows (cygwin) function asctime_r doesn't  
         exist so I changed back to asctime which exists.  2015-10-27  Brouard Nicolas  <brouard@ined.fr>
         (Module): Version 0.96b  
           * Makefile: *** empty log message ***
 2003-06-24    <brouard@BROUARD>  
           * setup.iss.in: Summary: some new subdirs
         * imach.c (Module): Some bugs corrected for windows. Also, when  
         mle=-1 a template is output in file "or"mypar.txt with the design          * imach.c: *** empty log message ***
         of the covariance matrix to be input.  
           * setup.iss.in:
 2003-06-25  Brouard Nicolas  <brouard@homebrou>          Summary: Adding gnuplot 5.1 with bin and etc for pango fonts
   
         * imach.c (Repository): Duplicated warning errors corrected.  2015-10-24  Brouard Nicolas  <brouard@ined.fr>
         (Repository): Elapsed time after each iteration is now output. It  
         helps to forecast when convergence will be reached. Elapsed time          * imach.c: *** empty log message ***
         is stamped in powell.  We created a new html file for the graphs  
         concerning matrix of covariance. It has extension -cov.htm.  2015-10-23  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-23  Brouard Nicolas  <brouard@homebrou>          * imach.c:
           Summary: 0.98r3 some clarification for graphs on likelihood contributions
         * imach.c (Repository): Create a sub-directory where all the secondary files are. Only imach, htm, gp and r(imach) are on the main directory. Correct time and other things.  
   2015-10-01  Brouard Nicolas  <brouard@ined.fr>
 2003-06-18  Brouard Nicolas  <brouard@homebrou>  
           * imach.c: Summary: Some new graphs of contribution to likelihood
         * imach.c (Repository): Suppress abusive calls to append to file html (solution was to put fichtm as a global variable. Version 0.96  
   2015-09-30  Brouard Nicolas  <brouard@ined.fr>
 2003-06-17  Brouard Nicolas  <brouard@homebrou>  
           * Makefile:
           Summary: Version read from version.h, itself read with cmake
         * imach.c (Repository): Check when date of death was earlier that  
         current date of interview. It may happen when the death was just          * imach.c: Summary: looking at better estimation of the hessian
         prior to the death. In this case, dh was negative and likelihood  
         was wrong (infinity). We still send an "Error" but patch by          Also a better criteria for convergence to the period prevalence And
         assuming that the date of death was just one stepm after the          therefore adding the number of years needed to converge. (The
         interview.          prevalence in any alive state shold sum to one
         (Repository): Because some people have very long ID (first column)  
         we changed int to long in num[] and we added a new lvector for          * Makefile: *** empty log message ***
         memory allocation. But we also truncated to 8 characters (left  
         truncation)  2015-09-22  Brouard Nicolas  <brouard@ined.fr>
   
         (Repository): No more line truncation errors.          * imach.c:
           Summary: Adding some overall graph on contribution to likelihood. Might change
 2003-06-14  Brouard Nicolas  <brouard@homebrou>  
   2015-09-15  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Repository): Add of a routine likelione (likelihood  
         only once) which prints on a text file          * Makefile: *** empty log message ***
         (ilk) the contributions to the likelihood for each  
         individual/wave.          * imach.c: Summary: 0.98r0
   
 2003-06-13  Brouard Nicolas  <brouard@homebrou>          - Some new graphs like survival functions
         * imach.c (Repository): Replace "freqsummary" at a correct          - Some bugs fixed like model=1+age+V2.
         place. It differs from routine "prevalence" which may be called  
         many times. Probs is memory consuming and must be used with          * ChangeLog, Makefile: Summary: 0.98r0
         parcimony.  
           * CMakeLists.txt: Summary: Some tests for setup.iss
 2003-06-17    <brouard@BROUARD>  
   2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
         * timeval.h (Module): Added included file to make use of  
         gettimeofday working on win32 with cygwin.          *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc
   
 2003-05-16  Brouard Nicolas  <brouard@brouard>  2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>
         * imach.c (Module): Insert of a warning if the delay between two  
         waves is negative.          *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.
   
         * imach.c (Module):  2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
   
 2003-05-03    <brouard@BROUARD>          *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)
   
         * imach.c: Some cleaning  2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>
   
 2003-03-28    <brouard@BROUARD>          * imach.c (Module): Merging 1.61 to 1.162
         * imach.c (Module): In version up to 0.92 likelihood was computed  
         as if date of death was unknown. Death was treated as any other  2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>
         health state: the date of the interview describes the actual state  
         and not the date of a change in health state. The former idea was          * prevlim.h (Module): 
         to consider that at each interview the state was recorded  
         (healthy, disable or death) and IMaCh was corrected; but when we  2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>
         introduced the exact date of death then we should have modified  
         the contribution of an exact death to the likelihood. This new          * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...
         contribution is smaller and very dependent of the step unit          (Module): Version 0.98nR Running ok, but output format still only works for three covariates.
         stepm. It is no more the probability to die between last interview  
         and month of death but the probability to survive from last  2010-04-29  brouard  <brouard@ined.fr>
         interview up to one month before death multiplied by the  
         probability to die within a month. Thanks to Chris          * imach.c (Module): Checking covariates for more complex models
         Jackson for correcting this bug.  Former versions increased          than V1+V2. A lot of change to be done. Unstable.
         mortality artificially. The bad side is that we add another loop  
         which slows down the processing. The difference can be up to 10%  2010-04-26  brouard  <brouard@ined.fr>
         lower mortality.  
           * imach.c (Module): merging some libgsl code. Fixing computation
 2002-05-30    <brouard@BROUARD>          of likelione (using inter/intrapolation if mle = 0) in order to
         *          get same likelihood as if mle=1.
         * imach.c (Module): Add correlation matrix of one-step          Some cleaning of code and comments added.
         probabilities and covariance matrix  
   2009-10-29  brouard  <brouard@ined.fr>
   
           * imach.c (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.
   
   2006-06-30  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Clarifications on computing e.j
   
   2006-04-28  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Yes the sum of survivors was wrong since
           imach-114 because nhstepm was no more computed in the age
           loop. Now we define nhstepma in the age loop.
           (Module): In order to speed up (in case of numerous covariates) we
           compute health expectancies (without variances) in a first step
           and then all the health expectancies with variances or standard
           deviation (needs data from the Hessian matrices) which slows the
           computation.
           In the future we should be able to stop the program is only health
           expectancies and graph are needed without standard deviations.
   
   2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * imach.iss (Module): 
   
           * imach.c (Module): bugs in evsi + population file added in htm output file
   
   2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * imach.c (Module): 
   
   2006-03-20  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): <title> changed, corresponds to .htm file
           name. <head> headers where missing.
   
           * Makefile (Module): 0.98g
   
           * imach.c (Module): Weights can have a decimal point as for
           English (a comma might work with a correct LC_NUMERIC environment,
           otherwise the weight is truncated).
           Modification of warning when the covariates values are not 0 or
           1. 
           Version 0.98g
   
   2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * imach.c (Module): Comments concerning covariates added
   
           * noreg-setup.iss (Module): Version 0.98f
   
           * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup
   
           * imach.c (Module): refinements in the computation of lli if
           status=-2 in order to have more reliable computation if stepm is
           not 1 month. Version 0.98f
   
   2006-03-15  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Bug if status = -2, the loglikelihood was
           computed as likelihood omitting the logarithm. Version O.98e
   
   2006-03-14  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): varevsij Comments added explaining the second
           table of variances if popbased=1 .
           (Module): Covariances of eij, ekl added, graphs fixed, new html link.
           (Module): Function pstamp added
           (Module): Version 0.98d 
   
   2006-03-06  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Variance-covariance wrong links and
           varian-covariance of ej. is needed (Saito).
   
   2006-02-27  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): One freematrix added in mlikeli!
   
   2006-02-26  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Some improvements in processing parameter
           filename with strsep.
   
   2006-02-24  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Memory leaks checks with valgrind and:
           datafile was not closed, some imatrix were not freed and on matrix
           allocation too.
   
   2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * strsep.c (Module): Inclusion because not in mingw32!!!
   
           * setup.iss.in (Module): IMACHSETUPVERSION added
   
           * noreg-setup.iss (Module): added to cvs tree
   
           * Makefile (Module): IMACHSETUPVERSION added
   
   2006-01-30  BROUARD Nicolas  <brouard@localhost>
   
           * Makefile (Module, Module): Latest Makefile
   
           * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe
   
   2006-01-27  BROUARD Nicolas  <brouard@localhost>
   
           * noreg-setup.iss (Module): ADDED
   
   2006-01-24  BROUARD Nicolas  <brouard@localhost>
   
           * imach.c (Module): Comments (lines starting with a #) are allowed in data.
   
   2005-10-25  Nicolas Brouard  <brouard@dhcp171.recherche.ined.fr>
   
           * Makefile (Module): Added Imach98.pmsp and howto crete a dmg
   
           * createdmg.sh (Module): Creates a dmg disk for MaC OS/X
   
   2005-09-30    <lievre@PC_00595>
   
           * imach.c (Module): sump fixed, loop imx fixed, and simplifications.
           (Module): If the status is missing at the last wave but we know
           that the person is alive, then we can code his/her status as -2
           (instead of missing=-1 in earlier versions) and his/her
           contributions to the likelihood is 1 - Prob of dying from last
           health status (= 1-p13= p11+p12 in the easiest case of somebody in
           the healthy state at last known wave). Version is 0.98 
   
   2004-05-20  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Repository): 
           Agnes added a direct estimation of mortality (without the need of
           computing period prevalence and differential mortality). Thus here
           is version 0.97a which has been distributed to some people at
           REVES 16 in Brugge using an Inno setup.exe for PCs. Estimates of
           mortality using covariates is not done today. Estimating direct
           mortality is a very different process because it doesn't need
           interpolation because it is easy to get the lx from the force of
           the mortality mux in the simplest case as for a Gompertz (log mux
           = a + b*x . But we have been able to incorporate the new code
           within former imach program (0.96d) without deteriorating too much
           the understanding of the program. 
   
   2003-06-25    <brouard@BROUARD>
   
           * imach.c (Module): On windows (cygwin) function asctime_r doesn't
           exist so I changed back to asctime which exists.
           (Module): Version 0.96b
   
   2003-06-24    <brouard@BROUARD>
   
           * imach.c (Module): Some bugs corrected for windows. Also, when
           mle=-1 a template is output in file "or"mypar.txt with the design
           of the covariance matrix to be input.
   
   2003-06-25  Brouard Nicolas  <brouard@homebrou>
   
           * imach.c (Repository): Duplicated warning errors corrected.
           (Repository): Elapsed time after each iteration is now output. It
           helps to forecast when convergence will be reached. Elapsed time
           is stamped in powell.  We created a new html file for the graphs
           concerning matrix of covariance. It has extension -cov.htm.
   
   2003-06-23  Brouard Nicolas  <brouard@homebrou>
   
           * imach.c (Repository): Create a sub-directory where all the secondary files are. Only imach, htm, gp and r(imach) are on the main directory. Correct time and other things.
   
   2003-06-18  Brouard Nicolas  <brouard@homebrou>
   
           * imach.c (Repository): Suppress abusive calls to append to file html (solution was to put fichtm as a global variable. Version 0.96
   
   2003-06-17  Brouard Nicolas  <brouard@homebrou>
   
   
           * imach.c (Repository): Check when date of death was earlier that
           current date of interview. It may happen when the death was just
           prior to the death. In this case, dh was negative and likelihood
           was wrong (infinity). We still send an "Error" but patch by
           assuming that the date of death was just one stepm after the
           interview.
           (Repository): Because some people have very long ID (first column)
           we changed int to long in num[] and we added a new lvector for
           memory allocation. But we also truncated to 8 characters (left
           truncation)
   
           (Repository): No more line truncation errors.
   
   2003-06-14  Brouard Nicolas  <brouard@homebrou>
   
           * imach.c (Repository): Add of a routine likelione (likelihood
           only once) which prints on a text file
           (ilk) the contributions to the likelihood for each
           individual/wave.
   
   2003-06-13  Brouard Nicolas  <brouard@homebrou>
           * imach.c (Repository): Replace "freqsummary" at a correct
           place. It differs from routine "prevalence" which may be called
           many times. Probs is memory consuming and must be used with
           parcimony.
   
   2003-06-17    <brouard@BROUARD>
   
           * timeval.h (Module): Added included file to make use of
           gettimeofday working on win32 with cygwin.
   
   2003-05-16  Brouard Nicolas  <brouard@brouard>
           * imach.c (Module): Insert of a warning if the delay between two
           waves is negative.
   
           * imach.c (Module): 
   
   2003-05-03    <brouard@BROUARD>
   
           * imach.c: Some cleaning
   
   2003-03-28    <brouard@BROUARD>
           * imach.c (Module): In version up to 0.92 likelihood was computed
           as if date of death was unknown. Death was treated as any other
           health state: the date of the interview describes the actual state
           and not the date of a change in health state. The former idea was
           to consider that at each interview the state was recorded
           (healthy, disable or death) and IMaCh was corrected; but when we
           introduced the exact date of death then we should have modified
           the contribution of an exact death to the likelihood. This new
           contribution is smaller and very dependent of the step unit
           stepm. It is no more the probability to die between last interview
           and month of death but the probability to survive from last
           interview up to one month before death multiplied by the
           probability to die within a month. Thanks to Chris
           Jackson for correcting this bug.  Former versions increased
           mortality artificially. The bad side is that we add another loop
           which slows down the processing. The difference can be up to 10%
           lower mortality.
   
   2002-05-30    <brouard@BROUARD>
   
           * imach.c (Module): Add correlation matrix of one-step
           probabilities and covariance matrix
   
Removed from v.1.46  
changed lines
  Added in v.1.71

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