Removed use of coefficient 0 as intercept; removed subcommand EXPORT.
[pspp-builds.git] / src / math / ChangeLog
index c78f51a858d1c59051a8b16e14c5cbfa1fed2d44..1d3b95bb944db024c11291cb58f8f40c396457c1 100644 (file)
@@ -1,3 +1,84 @@
+2008-03-10  Jason Stover  <jhs@debs.hoobahooba.net>
+
+       * coefficient.c (pspp_linreg_get_coeff): Removed use of
+       coefficient 0 as intercept.
+
+2008-03-01  Jason Stover  <jhs@math.gcsu.edu>
+
+       * coefficient.c (pspp_coeff_init): Ensure first arg is not a null
+       pointer.
+
+       * coefficient.c (pspp_linreg_get_coeff): Make sure we don't return
+       a result beyond the last coefficient, or start with a coefficient
+       beyond the last one if there is only one.
+
+2007-06-06  Ben Pfaff  <blp@gnu.org>
+
+       Adapt case sources, sinks, and clients of procedure code to the
+       new infrastructure.
+
+       * automake.mk: Add new files.
+       
+       * levene.c: Adapt to new casereaders.  Abstract better.
+
+       * merge.c: New file.
+
+       * merge.h: New file.
+
+       * sort.c: Rewrite in terms of case_ordering, merger.
+
+2007-05-31  Jason Stover  <jhs@math.gcsu.edu>
+
+       * interaction.c: New file.
+       * interaction.h : New file.
+
+Mon Feb  5 15:42:14 2007  Ben Pfaff  <blp@gnu.org>
+
+       * moments.c (moments_pass_two): Reduce number of multiplications.
+
+Thu Dec  7 15:27:49 WST 2006 John Darrington <john@darrington.wattle.id.au>
+
+       * factor-stats.c factor-stats.h: Changed independent values to 
+       be pointers rather than copies.
+
+Wed Dec  6 21:14:59 2006  Ben Pfaff  <blp@gnu.org>
+
+       * coefficient.c: (pspp_coeff_get_value) Compare variable pointers
+       instead of variable indexes.
+       (pspp_linreg_get_coeff) Ditto.
+       (design_matrix_col_to_var_index) Removed.
+       (design_matrix_col_to_var) Compare variable pointers
+       instead of variable indexes.
+       (cmp_dm_var_index) Ditto.
+       (design_matrix_var_to_column) Ditto.
+       (dm_var_to_last_column) Ditto.
+
+Sun Nov  5 08:30:32 WST 2006 John Darrington <john@darrington.wattle.id.au>
+
+       * levene.c levene.h Changed to use the new casefilter structure.
+
+2006-07-15  Jason Stover  <jhs@math.gcsu.edu>
+
+       * coefficient.c (pspp_coeff_init): Make design_matrix arg const.
+
+2006-07-14  Jason Stover  <jhs@math.gcsu.edu>
+
+       * coefficient.c (pspp_coeff_init): Removed use of
+       pspp_linreg_cache to make the routines more generally useful.
+
+2006-05-19  Jason Stover  <jhs@math.gcsu.edu>
+
+       * coefficient.h: Renamed pspp_linreg_coeff to pspp_coeff.
+
+       * coefficient.c: Moved to src/math.
+
+       * coefficient.h: Moved to src/math.
+
+Tue May  9 21:09:37 2006  Ben Pfaff  <blp@gnu.org>
+
+       * sort.c (sort_active_file_to_casefile): Check return value of
+       multipass_procedure().
+
 Wed May  3 23:06:43 2006  Ben Pfaff  <blp@gnu.org>
 
        Continue reforming procedure execution.  In this phase, get rid of