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-version 1.68, 2024/04/24 20:53:06
+version 1.71, 2024/06/28 08:00:16
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+-06-28  Nicolas Brouard  <brouard@brouardtwo>
+         * imach.c (Module): s6 errors with age*age (harmless).
+-05-12  Nicolas Brouard   <brouard@ined.fr>
+         * imach.c Version 0.99s5 In fact, the covariance of total life
+         expectancy e.. with a partial life expectancy e.j is high,
+         therefore the complete matrix of variance covariance has to be
+         included in the formula of the standard error of the proportion of
+         total life expectancy spent in a specific state:
+         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
+         made the program core dump. It is fixed in this version.
+-04-30  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
+         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.
 -04-24  Nicolas Brouard   <brouard@ined.fr>
          * (Module): This version comes late after having tested