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version 1.51, 2022/05/24 08:09:48 version 1.70, 2024/05/12 20:28:58
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 2022-05-24  Nicolas Brouard   <brouard@ined.fr>  2024-05-12  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c (Module): Some attempts to find a bug of wrong estimates          * imach.c Version 0.99s5 In fact, the covariance of total life
         of confidencce intervals with product in the equation modelC          expectancy e.. with a partial life expectancy e.j is high,
           therefore the complete matrix of variance covariance has to be
 2022-05-15  Nicolas Brouard   <brouard@ined.fr>          included in the formula of the standard error of the proportion of
           total life expectancy spent in a specific state:
         * imach.c (Module):  Some minor improvements          var(X/Y)=mu_x^2/mu_y^2*(sigma_x^2/mu_x^2 -2
           sigma_xy/mu_x/mu_y+sigma^2/mu_y^2).  Also an error with mle=-3
 2022-04-13  Brouard Nicolas  <brouard@brouard.name>          made the program core dump. It is fixed in this version.
   
         * imach.c (Module): Adding link to text data files  2024-04-30  Nicolas Brouard   <brouard@ined.fr>
   
 2022-04-11  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
         * imach.c (Module): Error in rewriting the 'r' file with yearsfproj or yearsbproj fixed          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.
 2022-04-05  Brouard Nicolas  <brouard@ined.fr>  
   2024-04-24  Nicolas Brouard   <brouard@ined.fr>
         * imach.c (Module): Fixed covariates (dummy or quantitative)  
         with missing values have never been allowed but are ERRORS and          * (Module): This version comes late after having tested
         program quits. Standard deviations of fixed covariates were          successfully the praxis C version of Buckhardt.  But Buckardt's
         wrongly computed. Mean and standard deviations of time varying          version was difficult to read and Gegenfurtner's version had a few
         covariates are still not computed.          typos which made its results less reliable than Buckhardt's
           results.  The most important work consisted in retyping the Brent
 2022-03-17  Brouard Nicolas  <brouard@ined.fr>          original PRAXIS program written in Algol W (published with errors,
           ommitting the transposition of matrix V before its QR reduction
         * 99r25 Improvements in fixing discrepancies between covariates          from Golub. I used the recent "awe" compiler from Gkynn Webster.
         missing in result line but in model.          The awe library had errors, for example in arc tangent function
           which have been fixed.
 *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>  
         * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett          The main objective was to get identical results with the three
           versions: (1) Algol W, (2) Buckhardt'C version as well (3)
 *2021-03-08  Nicolas Brouard   <brouard@ined.fr>          Gegenfürtner C versions on the various test functions published by
           Brent in 1973 in Algol W.
         * ./ (Module): Fixed bug on result:  
           Also, in order to compare them, the random function had to produce
 *2021-02-20  Nicolas Brouard   <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 (Module): Fix bug on quitting after result lines!          Algol W.  Other point, in Algol W, the arrays of dimension n are
         (Module): Version 0.99r21          'normal' mathematical arrays starting from 1 to n. But this is a
           real issue in C where, by default, arrays are starting from 0 to
 2021-02-12  Nicolas Brouard   <brouard@ined.fr>          n-1. In Buckhardt, as well as in Gegenfürtner C code, it can be
           seen that authors while trying to mimick original Brent Algol W
         * imach.c (Module): The use of a Windows BOM (huge) file is now an error          code are hesitating by changing either a loop originally from 1 to
           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.
 2021-02-11  Nicolas  Brouard   <brouard@ined.fr>          But as IMaCh is using, since the beginning, the Numerical Recipes
           functions vector or matrix, I changed Geggenfürtner code to mimick
         *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.          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
 2020-02-22  Brouard Nicolas  <brouard@ined.fr>          published in Algol with overflow errors which were reproduced in
           Brent's Algol W code. Buckhardt code fixed these errors which are
         *  (Module): imach.c Update mle=-3 (for computing Life expectancy          much more problematic in C than in Algol W.  Thus Buckhardt code
         and life table from the data without any state)          seems very safe, but i haven't chosen it for IMaCh because the C
           style is horrible and almost unreadable compared to Gegenfürtner
 2019-05-20  Brouard Nicolas  <brouard@ined.fr>          CO code which is very close to Brent's original. Also what makes
           Buckhardt code more difficult to read is, instead of passing the
         * version.h: Summary: version 0.99.r19          minimum of parameters in the functions calls, as it is in Algol
           Brent's code or Gegenfürtner's code, the list of parameters is
         * imach.c: Summary: Projection syntax simplified          high. For example, the flin function LONG REAL PROCEDURE FLIN
         We can now start projections, forward or backward, from the mean date          (LONG REAL VALUE L) has only one parameter in Algol W, the
         of inteviews up to or down to a number of years of projection:          Gegenfürtner flin function had two parameters: static double
         prevforecast=1 yearsfproj=15.3 mobil_average=0          flin(l, j) double l; { int i; double tflin[N];} but Buckhardt
         or          function has 14 parameters which makes the code unreadable and
         prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0          useless. Gegenfürtner used a lot of static variables or functions
         or          which I tried to minimize. Also in Gegefürtner, array dimensions
         prevbackcast=1 yearsbproj=12.3 mobil_average=1          were fixed to N. In my adaptation the flin is static double
         or          flin(double l, int j) and the parameter used are global variables.
         prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1  
   2023-06-14  Nicolas Brouard   <brouard@ined.fr>
 2019-05-18  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Testing if conjugate gradient could be quicker
         * imach.c: Summary: doxygen tex bug          when lot of variables POWELLORIGINCONJUGATE
   
 2019-05-16  Brouard Nicolas  <brouard@ined.fr>  2023-05-23  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: There was some wrong lines added          * imach.c (Module): Fixed PROB_r 
   
 2019-05-09  Brouard Nicolas  <brouard@ined.fr>  2023-05-22  Nicolas Brouard   <brouard@ined.fr>
   
         * Makefile, imach.c: *** empty log message ***          * imach.c (Module): In the ILK....txt file, the number of columns
           before the covariates values is dependent of the number of states (16+nlstate): 0.99r46
         * ChangeLog: Summary: C=  
   2023-05-08  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Some updates  
           *  (Module): Error V0 when result:. and model 1+age+V1: fixed
         * imach.c: Summary: Before ncovmax  
   2023-04-29  Nicolas Brouard  <brouard@ined.fr>
         * version.h: *** empty log message ***  
           * imach.c (Module): Inverting the model equation and fixingg bugs
         * imach.c: Summary: 0.99r18 unlimited number of individuals          in the drawings
         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.          "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"
   
 2018-12-13  Brouard Nicolas  <brouard@ined.fr>  2023-04-24  Nicolas Brouard  <brouard@ined.fr>
   
         * imach.c: Summary: Bug for young ages (<-30) will be in r17          * imach.c (Module): some bugs in printinggnuplot 
   
 2018-12-05  Brouard Nicolas  <brouard@ined.fr>  2022-09-19  Nicolas Brouard   <brouard@ined.fr>
   
         * Makefile: Summary: 0.99r16          * imach.c (Module): Version 0.99r42 needed a newer version of
           Gnuplot. But newer version 0.99r43 should run with the Gnuplot
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          version 5.0 or 5.1 distributed with IMaCh.
   
         * imach.c: Summary: Some bugs fixed  2022-09-18  Nicolas Brouard   <brouard@ined.fr>
   
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Fixing when a state in the data is 0 or higher
           than lstate+ndeath. Fixing the plot of contribution to Likelihood.
         * imach.c:  Summary: Bug for young ages (<-30) will be in r17  
   2022-09-16  Nicolas Brouard   <brouard@ined.fr>
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>  
           * 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: Some bugs fixed  
   2022-09-14  Nicolas Brouard   <brouard@ined.fr>
 2018-05-01  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Fixing names of variables in T_ (thanks to Feinuo)
         * imach.c:  
         Summary: Bug fixed by providing frequencies only for non missing covariates  2022-09-14  Nicolas Brouard   <brouard@ined.fr>
   
 2018-04-27  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: some minor bugs          ILK_parameter.txt file.
   
 2018-04-21  Brouard Nicolas  <brouard@ined.fr>  2022-09-11  Nicolas Brouard   <brouard@ined.fr>
   
         * README.txt: *** empty log message ***          * imach.c (Module): Adding timevarying products of any kinds,
           should work before shifting cotvar from ncovcol+nqv columns in
         * imach.c: Summary: Some bugs fixed, valgrind tested          order to have a correspondance between the column of cotvar and
           the id of column.
 2018-04-20  Brouard Nicolas  <brouard@ined.fr>          (Module): Some cleaning and adding covariates in ILK.txt
   
         * Makefile, README.txt, setup.iss: Summary: imach 0.99r16  2022-09-09  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c:          * imach.c (Module): Many improvements for fixing products of fixed
         Summary: Computing mean and stdeviation of fixed quantitative variables          timevarying as well as fixed * fixed, and test with quantitative
           covariate.
 2018-04-19  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-04  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Some minor bugs fixed  
           * imach.c (Module): Now the easy runs i.e. without result or
         * version.h: *** empty log message ***          model=1+age only did not work. The defautl combination should be 1
           and not 0 because everything hasn't been tranformed yet.
 2018-02-27  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-02  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c: Version 0.99r35 because it outputs same results with
         * imach.c: Summary: Adding second argument for quitting          1+age+V1+V1*age for females and 1+age for females only
           (education=1 noweight)
 2018-02-21  Brouard Nicolas  <brouard@ined.fr>  
   2022-08-31  Nicolas Brouard   <brouard@ined.fr>
         * Makefile, README.txt, imach.c: Summary: 0.99r15  
         New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c          * imach.c (Module): Some improvments in fichtm and many verifications 0.99r34
   
 2017-07-20  Brouard Nicolas  <brouard@ined.fr>  2022-08-21  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: temporary working          * imach.c (Module): Version 0.99r33 A lot of changes in
           reassigning covariates: my first idea was that people will always
 2017-07-19  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: Summary: Bug for mobil_average=0 and prevforecast fixed(?)          with some of the covariate; it means that in a model V2+V3 instead
           of codtabm(k,Tvaraff[j]) which calculates for combination k, for
 2017-07-17  Brouard Nicolas  <brouard@ined.fr>          three covariates (V1, V2, V3) the value of Tvaraff[j], but in fact
           the equation model is restricted to two variables only (V2, V3)
         * imach.c: Summary: BOM files can be read now          and the combination for V2 should be codtabm(k,1) instead of
           (codtabm(k,2), and the code should be
 2017-06-30  Brouard Nicolas  <brouard@ined.fr>          codtabm(k,TnsdVar[Tvaraff[j]]. Many many changes have been
           made. All of these should be simplified once a day like we did in
         * imach.c: Summary: Graphs improvements          hpxij() for example by using precov[nres] which is computed in
           decoderesult for each nres of each resultline. Loop should be done
         * imach.c: Summary: Saito's color          on the equation model globally by distinguishing only product with
           age (which are changing with age) and no more on type of
 2017-06-29  Brouard Nicolas  <brouard@ined.fr>          covariates, single dummies, single covariates. 
   
         * imach.c: Summary: Version 0.99r14  2022-08-06  Nicolas Brouard   <brouard@ined.fr>
   
 2017-06-27  Brouard Nicolas  <brouard@ined.fr>          *  imach.c (Module): Version of imach using partly decoderesult to rebuild xpxij function
   
         * imach.c: Summary: More documentation on projections  2022-08-03  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)          *  imach.c (Module): Many errors in graphs fixed with Vn*age covariates.
   
         * imach.c: Summary: Some bug with rint  2022-07-25  Brouard Nicolas  <brouard@brouard.name>
   
 2017-05-24  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Error cptcovn instead of nsd in bmij (was
           coredumped, revealed by Feiuno, thank you.
         * imach.c: *** empty log message ***  
   2022-07-23  Nicolas Brouard   <brouard@ined.fr>
 2017-05-23  Brouard Nicolas  <brouard@ined.fr>  
           * r29 W and not sqrt(Wald)
         * imach.c: Summary: Code into subroutine, cleanings  
   2022-07-22  Nicolas Brouard   <brouard@ined.fr>
 2017-05-18  Brouard Nicolas  <brouard@ined.fr>  
           *  imach.c (Module): Output of Wald test in the htm file and not only in the log. 
         * imach.c:  
         Summary: backprojection and confidence intervals of backprevalence  2022-06-02  Brouard Nicolas  <brouard@brouard.name>
   
 2017-05-13  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Adding the Wald tests from the log to the main
           htm for better display of the maximum likelihood estimators.
         * imach.c: Summary: temporary save for backprojection  
   2022-05-30  Brouard Nicolas  <brouard@brouard.name>
         * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)  
           * imach.c: With products of covariates (age or dummies or
 2017-04-26  Brouard Nicolas  <brouard@ined.fr>          quantitatives), estimates of parameters were good but when
           estimating variances the positions of newly created covariates
         * imach.c: Summary: imach 0.99r13 Some bugs fixed          were wrongly assigned and results were wrong. Thank to Feinua_Sun!
   
         * imach.c: Summary: Labels in graphs  2022-05-24  Nicolas Brouard   <brouard@ined.fr>
   
 2017-04-24  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: to save  
   2022-05-15  Nicolas Brouard   <brouard@ined.fr>
 2017-04-18  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module):  Some minor improvements
         * imach.c: *** empty log message ***  
   2022-04-13  Brouard Nicolas  <brouard@brouard.name>
 2017-04-05  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Adding link to text data files
         * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1  
   2022-04-11  Nicolas Brouard   <brouard@ined.fr>
 2017-04-04  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Error in rewriting the 'r' file with yearsfproj or yearsbproj fixed
         * imach.c: Summary: Gnuplot indexations fixed (humm)  
   2022-04-05  Brouard Nicolas  <brouard@ined.fr>
         * imach.c:  
         Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3          * imach.c (Module): Fixed covariates (dummy or quantitative)
           with missing values have never been allowed but are ERRORS and
 2017-04-03  Brouard Nicolas  <brouard@ined.fr>          program quits. Standard deviations of fixed covariates were
           wrongly computed. Mean and standard deviations of time varying
         * imach.c: Summary: Version 0.99r12          covariates are still not computed.
         Some cleanings, conformed with updated documentation.  
   2022-03-17  Brouard Nicolas  <brouard@ined.fr>
 2017-03-30  Brouard Nicolas  <brouard@ined.fr>  
           * 99r25 Improvements in fixing discrepancies between covariates
         * version.h: *** empty log message ***          missing in result line but in model. 
   
         * version.h: Summary:0.99r11  *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>
           * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett
 2017-03-29  Brouard Nicolas  <brouard@ined.fr>  
   *2021-03-08  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Temp  
           * ./ (Module): Fixed bug on result:
 2017-03-27  Brouard Nicolas  <brouard@ined.fr>  
   *2021-02-20  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Temporary  
           * imach.c (Module): Fix bug on quitting after result lines!
 2017-03-08  Brouard Nicolas  <brouard@ined.fr>          (Module): Version 0.99r21
   
         * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed  2021-02-12  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Fixing data parameter line          * imach.c (Module): The use of a Windows BOM (huge) file is now an error
   
 2016-12-15  Brouard Nicolas  <brouard@ined.fr>  
   2021-02-11  Nicolas  Brouard   <brouard@ined.fr>
         * imach.c: Summary: 0.99 in progress  
           *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.
 2016-09-15  Brouard Nicolas  <brouard@ined.fr>  
   2020-02-22  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           *  (Module): imach.c Update mle=-3 (for computing Life expectancy
         * imach.c: Summary: not working          and life table from the data without any state)
   
 2016-09-08  Brouard Nicolas  <brouard@ined.fr>  2019-05-20  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: continue          * version.h: Summary: version 0.99.r19
   
 2016-09-07  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Projection syntax simplified
           We can now start projections, forward or backward, from the mean date
         * imach.c: Summary: Starting values from frequencies          of inteviews up to or down to a number of years of projection:
           prevforecast=1 yearsfproj=15.3 mobil_average=0
         * imach.c: *** empty log message ***          or
           prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0
 2016-09-02  Brouard Nicolas  <brouard@ined.fr>          or
           prevbackcast=1 yearsbproj=12.3 mobil_average=1
         * imach.c: *** empty log message ***          or
           prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1
 2016-08-30  Brouard Nicolas  <brouard@ined.fr>  
   2019-05-18  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: Fixing a lots  
           * imach.c: Summary: doxygen tex bug
 2016-08-29  Brouard Nicolas  <brouard@ined.fr>  
   2019-05-16  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: gnuplot problem in Back projection to fix  
           * imach.c: Summary: There was some wrong lines added
         * imach.c: Summary: Better  
   2019-05-09  Brouard Nicolas  <brouard@ined.fr>
 2016-08-26  Brouard Nicolas  <brouard@ined.fr>  
           * Makefile, imach.c: *** empty log message ***
         * imach.c:  
         Summary: Improvement in Powell output in order to copy and paste          * ChangeLog: Summary: C=
   
         * imach.c: Summary: Starting tests of 0.99          * imach.c: Summary: Some updates
   
         * imach.c: Summary: to valgrind          * imach.c: Summary: Before ncovmax
   
 2016-08-25  Brouard Nicolas  <brouard@ined.fr>          * version.h: *** empty log message ***
   
         * imach.c: *** empty log message ***          * imach.c: Summary: 0.99r18 unlimited number of individuals
           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.
 2016-08-23  Brouard Nicolas  <brouard@ined.fr>  
   2018-12-13  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c: Summary: Bug for young ages (<-30) will be in r17
         * imach.c: Summary: not working  
   2018-12-05  Brouard Nicolas  <brouard@ined.fr>
 2016-08-22  Brouard Nicolas  <brouard@ined.fr>  
           * Makefile: Summary: 0.99r16
         * imach.c: Summary: not working  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: Not working  
           * imach.c: Summary: Some bugs fixed
 2016-07-23  Brouard Nicolas  <brouard@ined.fr>  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: Completing for func too  
           * imach.c:  Summary: Bug for young ages (<-30) will be in r17
 2016-07-22  Brouard Nicolas  <brouard@ined.fr>  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: Fixing some arrays, still debugging  
           * imach.c: Summary: Some bugs fixed
 2016-07-21  Brouard Nicolas  <brouard@ined.fr>  
   2018-05-01  Brouard Nicolas  <brouard@ined.fr>
         * imach.c:  
         Summary: 0.99 working (more or less) for Asian Workshop on multitate methods          * imach.c:
           Summary: Bug fixed by providing frequencies only for non missing covariates
 2016-07-12  Brouard Nicolas  <brouard@ined.fr>  
   2018-04-27  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: temp  
           * imach.c: Summary: some minor bugs
         * imach.c: Summary: saving but not running  
   2018-04-21  Brouard Nicolas  <brouard@ined.fr>
 2016-07-01  Brouard Nicolas  <brouard@ined.fr>  
           * README.txt: *** empty log message ***
         * imach.c: Summary: Fixes  
           * imach.c: Summary: Some bugs fixed, valgrind tested
 2016-02-19  Brouard Nicolas  <brouard@ined.fr>  
   2018-04-20  Brouard Nicolas  <brouard@ined.fr>
         * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7  
           * Makefile, README.txt, setup.iss: Summary: imach 0.99r16
         * setup.iss, Makefile, version.h: *** empty log message ***  
           * imach.c:
         * imach.c: Summary: temporary          Summary: Computing mean and stdeviation of fixed quantitative variables
   
 2016-02-17  Brouard Nicolas  <brouard@ined.fr>  2018-04-19  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Probably last 0.98 stable version 0.98r6          * imach.c: Summary: Some minor bugs fixed
   
 2016-02-16  Brouard Nicolas  <brouard@ined.fr>          * version.h: *** empty log message ***
   
         * imach.c: Summary: minor bug  2018-02-27  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.99r2          * imach.c: *** empty log message ***
   
 2016-02-15  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Adding second argument for quitting
   
         * imach.c: *** empty log message ***  2018-02-21  Brouard Nicolas  <brouard@ined.fr>
   
 2016-02-12  Brouard Nicolas  <brouard@ined.fr>          * Makefile, README.txt, imach.c: Summary: 0.99r15
           New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c
         * imach.c: Summary: 0.99 Back projections  
   2017-07-20  Brouard Nicolas  <brouard@ined.fr>
 2015-12-23  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: temporary working
         * imach.c: Summary: Experimental backcast  
   2017-07-19  Brouard Nicolas  <brouard@ined.fr>
 2015-12-18  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)
         * imach.c: Summary: 0.98r4 Warning and status=-2  
   2017-07-17  Brouard Nicolas  <brouard@ined.fr>
         Version 0.98r4 is now:  
          - displaying an error when status is -1, date of interview unknown and date of death known;          * imach.c: Summary: BOM files can be read now
          - 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.  2017-06-30  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: Summary: Graphs improvements
   
 2015-12-16  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Saito's color
   
         * Makefile: *** empty log message ***  2017-06-29  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.98r4 working          * imach.c: Summary: Version 0.99r14
   
         * Makefile: Summary: linuxrpm added  2017-06-27  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: Summary: More documentation on projections
   
         * imach.c: Summary: temporary not working          * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)
   
 2015-12-11  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Some bug with rint
   
         * imach.c: Summary: 0.98r4  2017-05-24  Brouard Nicolas  <brouard@ined.fr>
   
 2015-12-08  Brouard Nicolas  <brouard@ined.fr>          * imach.c: *** empty log message ***
   
         * Makefile: *** empty log message ***  2017-05-23  Brouard Nicolas  <brouard@ined.fr>
   
 2015-11-21  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Code into subroutine, cleanings
   
         * Makefile:  2017-05-18  Brouard Nicolas  <brouard@ined.fr>
         Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more  
           * imach.c:
         * imach.c: Summary: minor typo          Summary: backprojection and confidence intervals of backprevalence
   
         * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional  2017-05-13  Brouard Nicolas  <brouard@ined.fr>
   
         Author: Nicolas Brouard          * imach.c: Summary: temporary save for backprojection
   
 2015-11-18  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)
   
         * imach.c: Summary: Start working on projected prevalences  2017-04-26  Brouard Nicolas  <brouard@ined.fr>
   
 2015-11-17  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: imach 0.99r13 Some bugs fixed
   
         * imach.c: Summary: Adding ftolpl parameter          * imach.c: Summary: Labels in graphs
         Author: N Brouard  
   2017-04-24  Brouard Nicolas  <brouard@ined.fr>
         We had difficulties to get smoothed confidence intervals. It was due  
         to the period prevalence which wasn't computed accurately. The inner          * imach.c: Summary: to save
         parameter ftolpl is now an outer parameter of the .imach parameter  
         file after estepm. If ftolpl is small 1.e-4 and estepm too,  2017-04-18  Brouard Nicolas  <brouard@ined.fr>
         computation are long.  
           * imach.c: *** empty log message ***
         * version.h: *** empty log message ***  
   2017-04-05  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: temporary  
           * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1
 2015-10-27  Brouard Nicolas  <brouard@ined.fr>  
   2017-04-04  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c: Summary: Gnuplot indexations fixed (humm)
         * setup.iss.in: Summary: some new subdirs  
           * imach.c:
         * imach.c: *** empty log message ***          Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3
   
         * setup.iss.in:  2017-04-03  Brouard Nicolas  <brouard@ined.fr>
         Summary: Adding gnuplot 5.1 with bin and etc for pango fonts  
           * imach.c: Summary: Version 0.99r12
 2015-10-24  Brouard Nicolas  <brouard@ined.fr>          Some cleanings, conformed with updated documentation.
   
         * imach.c: *** empty log message ***  2017-03-30  Brouard Nicolas  <brouard@ined.fr>
   
 2015-10-23  Brouard Nicolas  <brouard@ined.fr>          * version.h: *** empty log message ***
   
         * imach.c:          * version.h: Summary:0.99r11
         Summary: 0.98r3 some clarification for graphs on likelihood contributions  
   2017-03-29  Brouard Nicolas  <brouard@ined.fr>
 2015-10-01  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Temp
         * imach.c: Summary: Some new graphs of contribution to likelihood  
   2017-03-27  Brouard Nicolas  <brouard@ined.fr>
 2015-09-30  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Temporary
         * Makefile:  
         Summary: Version read from version.h, itself read with cmake  2017-03-08  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: looking at better estimation of the hessian          * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed
   
         Also a better criteria for convergence to the period prevalence And          * imach.c: Summary: Fixing data parameter line
         therefore adding the number of years needed to converge. (The  
         prevalence in any alive state shold sum to one  2016-12-15  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: Summary: 0.99 in progress
   
 2015-09-22  Brouard Nicolas  <brouard@ined.fr>  2016-09-15  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c:          * imach.c: *** empty log message ***
         Summary: Adding some overall graph on contribution to likelihood. Might change  
           * imach.c: Summary: not working
 2015-09-15  Brouard Nicolas  <brouard@ined.fr>  
   2016-09-08  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c: Summary: continue
         * imach.c: Summary: 0.98r0  
   2016-09-07  Brouard Nicolas  <brouard@ined.fr>
         - Some new graphs like survival functions  
         - Some bugs fixed like model=1+age+V2.          * imach.c: Summary: Starting values from frequencies
   
         * ChangeLog, Makefile: Summary: 0.98r0          * imach.c: *** empty log message ***
   
         * CMakeLists.txt: Summary: Some tests for setup.iss  2016-09-02  Brouard Nicolas  <brouard@ined.fr>
   
 2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>          * imach.c: *** empty log message ***
   
         *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc  2016-08-30  Brouard Nicolas  <brouard@ined.fr>
   
 2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>          * imach.c: Summary: Fixing a lots
   
         *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.  2016-08-29  Brouard Nicolas  <brouard@ined.fr>
   
 2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>          * imach.c: Summary: gnuplot problem in Back projection to fix
   
         *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)          * imach.c: Summary: Better
   
 2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>  2016-08-26  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Merging 1.61 to 1.162          * imach.c:
           Summary: Improvement in Powell output in order to copy and paste
 2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>  
           * imach.c: Summary: Starting tests of 0.99
         * prevlim.h (Module):  
           * imach.c: Summary: to valgrind
 2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>  
   2016-08-25  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...  
         (Module): Version 0.98nR Running ok, but output format still only works for three covariates.          * imach.c: *** empty log message ***
   
 2010-04-29  brouard  <brouard@ined.fr>  2016-08-23  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Checking covariates for more complex models          * imach.c: *** empty log message ***
         than V1+V2. A lot of change to be done. Unstable.  
           * imach.c: Summary: not working
 2010-04-26  brouard  <brouard@ined.fr>  
   2016-08-22  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): merging some libgsl code. Fixing computation  
         of likelione (using inter/intrapolation if mle = 0) in order to          * imach.c: Summary: not working
         get same likelihood as if mle=1.  
         Some cleaning of code and comments added.          * imach.c: Summary: Not working
   
 2009-10-29  brouard  <brouard@ined.fr>  2016-07-23  Brouard Nicolas  <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.          * imach.c: Summary: Completing for func too
   
 2006-06-30  Brouard Nicolas  <brouard@localhost>  2016-07-22  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Clarifications on computing e.j          * imach.c: Summary: Fixing some arrays, still debugging
   
 2006-04-28  Brouard Nicolas  <brouard@localhost>  2016-07-21  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Yes the sum of survivors was wrong since          * imach.c:
         imach-114 because nhstepm was no more computed in the age          Summary: 0.99 working (more or less) for Asian Workshop on multitate methods
         loop. Now we define nhstepma in the age loop.  
         (Module): In order to speed up (in case of numerous covariates) we  2016-07-12  Brouard Nicolas  <brouard@ined.fr>
         compute health expectancies (without variances) in a first step  
         and then all the health expectancies with variances or standard          * imach.c: Summary: temp
         deviation (needs data from the Hessian matrices) which slows the  
         computation.          * imach.c: Summary: saving but not running
         In the future we should be able to stop the program is only health  
         expectancies and graph are needed without standard deviations.  2016-07-01  Brouard Nicolas  <brouard@ined.fr>
   
 2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: Fixes
   
         * imach.iss (Module):  2016-02-19  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): bugs in evsi + population file added in htm output file          * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7
   
 2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * setup.iss, Makefile, version.h: *** empty log message ***
   
         * imach.c (Module):          * imach.c: Summary: temporary
   
 2006-03-20  Brouard Nicolas  <brouard@localhost>  2016-02-17  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): <title> changed, corresponds to .htm file          * imach.c: Summary: Probably last 0.98 stable version 0.98r6
         name. <head> headers where missing.  
   2016-02-16  Brouard Nicolas  <brouard@ined.fr>
         * Makefile (Module): 0.98g  
           * imach.c: Summary: minor bug
         * imach.c (Module): Weights can have a decimal point as for  
         English (a comma might work with a correct LC_NUMERIC environment,          * imach.c: Summary: 0.99r2
         otherwise the weight is truncated).  
         Modification of warning when the covariates values are not 0 or  2016-02-15  Brouard Nicolas  <brouard@ined.fr>
         1.  
         Version 0.98g          * imach.c: *** empty log message ***
   
 2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  2016-02-12  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Comments concerning covariates added          * imach.c: Summary: 0.99 Back projections
   
         * noreg-setup.iss (Module): Version 0.98f  2015-12-23  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup          * imach.c: Summary: Experimental backcast
   
         * imach.c (Module): refinements in the computation of lli if  2015-12-18  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: 0.98r4 Warning and status=-2
   
 2006-03-15  Brouard Nicolas  <brouard@localhost>          Version 0.98r4 is now:
            - displaying an error when status is -1, date of interview unknown and date of death known;
         * imach.c (Module): Bug if status = -2, the loglikelihood was           - permitting a status -2 when the vital status is unknown at a known date of right truncation.
         computed as likelihood omitting the logarithm. Version O.98e          Older changes concerning s=-2, dating from 2005 have been supersed.
   
 2006-03-14  Brouard Nicolas  <brouard@localhost>          * Makefile: *** empty log message ***
   
         * imach.c (Module): varevsij Comments added explaining the second  2015-12-16  Brouard Nicolas  <brouard@ined.fr>
         table of variances if popbased=1 .  
         (Module): Covariances of eij, ekl added, graphs fixed, new html link.          * Makefile: *** empty log message ***
         (Module): Function pstamp added  
         (Module): Version 0.98d          * imach.c: Summary: 0.98r4 working
   
 2006-03-06  Brouard Nicolas  <brouard@localhost>          * Makefile: Summary: linuxrpm added
   
         * imach.c (Module): Variance-covariance wrong links and          * Makefile: *** empty log message ***
         varian-covariance of ej. is needed (Saito).  
           * imach.c: Summary: temporary not working
 2006-02-27  Brouard Nicolas  <brouard@localhost>  
   2015-12-11  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): One freematrix added in mlikeli!  
           * imach.c: Summary: 0.98r4
 2006-02-26  Brouard Nicolas  <brouard@localhost>  
   2015-12-08  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Some improvements in processing parameter  
         filename with strsep.          * Makefile: *** empty log message ***
   
 2006-02-24  Brouard Nicolas  <brouard@localhost>  2015-11-21  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Memory leaks checks with valgrind and:          * Makefile:
         datafile was not closed, some imatrix were not freed and on matrix          Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more
         allocation too.  
           * imach.c: Summary: minor typo
 2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
           * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional
         * strsep.c (Module): Inclusion because not in mingw32!!!  
           Author: Nicolas Brouard
         * setup.iss.in (Module): IMACHSETUPVERSION added  
   2015-11-18  Brouard Nicolas  <brouard@ined.fr>
         * noreg-setup.iss (Module): added to cvs tree  
           * imach.c: Summary: Start working on projected prevalences
         * Makefile (Module): IMACHSETUPVERSION added  
   2015-11-17  Brouard Nicolas  <brouard@ined.fr>
 2006-01-30  BROUARD Nicolas  <brouard@localhost>  
           * imach.c: Summary: Adding ftolpl parameter
         * Makefile (Module, Module): Latest Makefile          Author: N Brouard
   
         * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe          We had difficulties to get smoothed confidence intervals. It was due
           to the period prevalence which wasn't computed accurately. The inner
 2006-01-27  BROUARD Nicolas  <brouard@localhost>          parameter ftolpl is now an outer parameter of the .imach parameter
           file after estepm. If ftolpl is small 1.e-4 and estepm too,
         * noreg-setup.iss (Module): ADDED          computation are long.
   
 2006-01-24  BROUARD Nicolas  <brouard@localhost>          * version.h: *** empty log message ***
   
         * imach.c (Module): Comments (lines starting with a #) are allowed in data.          * imach.c: Summary: temporary
   
 2005-10-25  Nicolas Brouard  <brouard@dhcp171.recherche.ined.fr>  2015-10-27  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          * setup.iss.in: Summary: some new subdirs
   
 2005-09-30    <lievre@PC_00595>          * imach.c: *** empty log message ***
   
         * imach.c (Module): sump fixed, loop imx fixed, and simplifications.          * setup.iss.in:
         (Module): If the status is missing at the last wave but we know          Summary: Adding gnuplot 5.1 with bin and etc for pango fonts
         that the person is alive, then we can code his/her status as -2  
         (instead of missing=-1 in earlier versions) and his/her  2015-10-24  Brouard Nicolas  <brouard@ined.fr>
         contributions to the likelihood is 1 - Prob of dying from last  
         health status (= 1-p13= p11+p12 in the easiest case of somebody in          * imach.c: *** empty log message ***
         the healthy state at last known wave). Version is 0.98  
   2015-10-23  Brouard Nicolas  <brouard@ined.fr>
 2004-05-20  Brouard Nicolas  <brouard@localhost>  
           * imach.c:
         * imach.c (Repository):          Summary: 0.98r3 some clarification for graphs on likelihood contributions
         Agnes added a direct estimation of mortality (without the need of  
         computing period prevalence and differential mortality). Thus here  2015-10-01  Brouard Nicolas  <brouard@ined.fr>
         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          * imach.c: Summary: Some new graphs of contribution to likelihood
         mortality using covariates is not done today. Estimating direct  
         mortality is a very different process because it doesn't need  2015-09-30  Brouard Nicolas  <brouard@ined.fr>
         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          * Makefile:
         = a + b*x . But we have been able to incorporate the new code          Summary: Version read from version.h, itself read with cmake
         within former imach program (0.96d) without deteriorating too much  
         the understanding of the program.          * imach.c: Summary: looking at better estimation of the hessian
   
 2003-06-25    <brouard@BROUARD>          Also a better criteria for convergence to the period prevalence And
           therefore adding the number of years needed to converge. (The
         * imach.c (Module): On windows (cygwin) function asctime_r doesn't          prevalence in any alive state shold sum to one
         exist so I changed back to asctime which exists.  
         (Module): Version 0.96b          * Makefile: *** empty log message ***
   
 2003-06-24    <brouard@BROUARD>  2015-09-22  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Some bugs corrected for windows. Also, when          * imach.c:
         mle=-1 a template is output in file "or"mypar.txt with the design          Summary: Adding some overall graph on contribution to likelihood. Might change
         of the covariance matrix to be input.  
   2015-09-15  Brouard Nicolas  <brouard@ined.fr>
 2003-06-25  Brouard Nicolas  <brouard@homebrou>  
           * Makefile: *** empty log message ***
         * imach.c (Repository): Duplicated warning errors corrected.  
         (Repository): Elapsed time after each iteration is now output. It          * imach.c: Summary: 0.98r0
         helps to forecast when convergence will be reached. Elapsed time  
         is stamped in powell.  We created a new html file for the graphs          - Some new graphs like survival functions
         concerning matrix of covariance. It has extension -cov.htm.          - Some bugs fixed like model=1+age+V2.
   
 2003-06-23  Brouard Nicolas  <brouard@homebrou>          * ChangeLog, Makefile: Summary: 0.98r0
   
         * 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.          * CMakeLists.txt: Summary: Some tests for setup.iss
   
 2003-06-18  Brouard Nicolas  <brouard@homebrou>  2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
   
         * imach.c (Repository): Suppress abusive calls to append to file html (solution was to put fichtm as a global variable. Version 0.96          *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc
   
 2003-06-17  Brouard Nicolas  <brouard@homebrou>  2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>
   
           *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.
         * imach.c (Repository): Check when date of death was earlier that  
         current date of interview. It may happen when the death was just  2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
         prior to the death. In this case, dh was negative and likelihood  
         was wrong (infinity). We still send an "Error" but patch by          *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)
         assuming that the date of death was just one stepm after the  
         interview.  2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>
         (Repository): Because some people have very long ID (first column)  
         we changed int to long in num[] and we added a new lvector for          * imach.c (Module): Merging 1.61 to 1.162
         memory allocation. But we also truncated to 8 characters (left  
         truncation)  2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>
   
         (Repository): No more line truncation errors.          * prevlim.h (Module): 
   
 2003-06-14  Brouard Nicolas  <brouard@homebrou>  2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>
   
         * imach.c (Repository): Add of a routine likelione (likelihood          * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...
         only once) which prints on a text file          (Module): Version 0.98nR Running ok, but output format still only works for three covariates.
         (ilk) the contributions to the likelihood for each  
         individual/wave.  2010-04-29  brouard  <brouard@ined.fr>
   
 2003-06-13  Brouard Nicolas  <brouard@homebrou>          * imach.c (Module): Checking covariates for more complex models
         * imach.c (Repository): Replace "freqsummary" at a correct          than V1+V2. A lot of change to be done. Unstable.
         place. It differs from routine "prevalence" which may be called  
         many times. Probs is memory consuming and must be used with  2010-04-26  brouard  <brouard@ined.fr>
         parcimony.  
           * imach.c (Module): merging some libgsl code. Fixing computation
 2003-06-17    <brouard@BROUARD>          of likelione (using inter/intrapolation if mle = 0) in order to
           get same likelihood as if mle=1.
         * timeval.h (Module): Added included file to make use of          Some cleaning of code and comments added.
         gettimeofday working on win32 with cygwin.  
   2009-10-29  brouard  <brouard@ined.fr>
 2003-05-16  Brouard Nicolas  <brouard@brouard>  
         * imach.c (Module): Insert of a warning if the delay between two          * imach.c (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.
         waves is negative.  
   2006-06-30  Brouard Nicolas  <brouard@localhost>
         * imach.c (Module):  
           * imach.c (Module): Clarifications on computing e.j
 2003-05-03    <brouard@BROUARD>  
   2006-04-28  Brouard Nicolas  <brouard@localhost>
         * imach.c: Some cleaning  
           * imach.c (Module): Yes the sum of survivors was wrong since
 2003-03-28    <brouard@BROUARD>          imach-114 because nhstepm was no more computed in the age
         * imach.c (Module): In version up to 0.92 likelihood was computed          loop. Now we define nhstepma in the age loop.
         as if date of death was unknown. Death was treated as any other          (Module): In order to speed up (in case of numerous covariates) we
         health state: the date of the interview describes the actual state          compute health expectancies (without variances) in a first step
         and not the date of a change in health state. The former idea was          and then all the health expectancies with variances or standard
         to consider that at each interview the state was recorded          deviation (needs data from the Hessian matrices) which slows the
         (healthy, disable or death) and IMaCh was corrected; but when we          computation.
         introduced the exact date of death then we should have modified          In the future we should be able to stop the program is only health
         the contribution of an exact death to the likelihood. This new          expectancies and graph are needed without standard deviations.
         contribution is smaller and very dependent of the step unit  
         stepm. It is no more the probability to die between last interview  2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
         and month of death but the probability to survive from last  
         interview up to one month before death multiplied by the          * imach.iss (Module): 
         probability to die within a month. Thanks to Chris  
         Jackson for correcting this bug.  Former versions increased          * imach.c (Module): bugs in evsi + population file added in htm output file
         mortality artificially. The bad side is that we add another loop  
         which slows down the processing. The difference can be up to 10%  2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
         lower mortality.  
           * imach.c (Module): 
 2002-05-30    <brouard@BROUARD>  
         *  2006-03-20  Brouard Nicolas  <brouard@localhost>
         * imach.c (Module): Add correlation matrix of one-step  
         probabilities and covariance matrix          * 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.1.51  
changed lines
  Added in v.1.70

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