1 2008-07-15 Jason Stover <jhs@math.gcsu.edu>
3 * covariance-matrix.c (covariance_pass_one): New file, new function.
5 2008-06-21 Jason Stover <jhs@math.gcsu.edu>
7 * linreg.c (pspp_linreg): Accept a struct design_matrix. Use new
8 accessor functions pspp_coeff_get_mean, pspp_coeff_get_sd. New
9 functions pspp_linreg_get_indep_variable_mean,
10 pspp_linreg_set_indep_variable_mean,
11 pspp_linreg_get_indep_variable_sd,
12 pspp_linreg_set_indep_variable_sd. Altered pspp_linreg_get_coeff
13 to use accessor function pspp_coeff_var_to_coeff.
15 * coefficient.c: New functions pspp_coeff_get_mean,
16 pspp_coeff_set_mean, pspp_coeff_get_sd, pspp_coeff_set_sd,
17 pspp_coeff_var_to_coeff. Added doubles to hold mean and standard
18 deviation in struct varinfo.
20 2008-06-14 Jason Stover <jhs@math.gcsu.edu>
22 * linreg/: moved linreg.[ch] to src/math.
24 2008-05-15 Ben Pfaff <blp@gnu.org>
28 * moments.c (calc_moments): Use gsl_finite instead of finite, as a
29 stopgap measure for portability until appropriate gnulib modules
32 2008-03-10 Jason Stover <jhs@math.gcsu.edu>
34 * coefficient.c (pspp_linreg_get_coeff): Removed use of
35 coefficient 0 as intercept.
37 2008-03-01 Jason Stover <jhs@math.gcsu.edu>
39 * coefficient.c (pspp_coeff_init): Ensure first arg is not a null
42 * coefficient.c (pspp_linreg_get_coeff): Make sure we don't return
43 a result beyond the last coefficient, or start with a coefficient
44 beyond the last one if there is only one.
46 2007-06-06 Ben Pfaff <blp@gnu.org>
48 Adapt case sources, sinks, and clients of procedure code to the
51 * automake.mk: Add new files.
53 * levene.c: Adapt to new casereaders. Abstract better.
59 * sort.c: Rewrite in terms of case_ordering, merger.
61 2007-05-31 Jason Stover <jhs@math.gcsu.edu>
63 * interaction.c: New file.
64 * interaction.h : New file.
66 Mon Feb 5 15:42:14 2007 Ben Pfaff <blp@gnu.org>
68 * moments.c (moments_pass_two): Reduce number of multiplications.
70 Thu Dec 7 15:27:49 WST 2006 John Darrington <john@darrington.wattle.id.au>
72 * factor-stats.c factor-stats.h: Changed independent values to
73 be pointers rather than copies.
75 Wed Dec 6 21:14:59 2006 Ben Pfaff <blp@gnu.org>
77 * coefficient.c: (pspp_coeff_get_value) Compare variable pointers
78 instead of variable indexes.
79 (pspp_linreg_get_coeff) Ditto.
80 (design_matrix_col_to_var_index) Removed.
81 (design_matrix_col_to_var) Compare variable pointers
82 instead of variable indexes.
83 (cmp_dm_var_index) Ditto.
84 (design_matrix_var_to_column) Ditto.
85 (dm_var_to_last_column) Ditto.
87 Sun Nov 5 08:30:32 WST 2006 John Darrington <john@darrington.wattle.id.au>
89 * levene.c levene.h Changed to use the new casefilter structure.
91 2006-07-15 Jason Stover <jhs@math.gcsu.edu>
93 * coefficient.c (pspp_coeff_init): Make design_matrix arg const.
95 2006-07-14 Jason Stover <jhs@math.gcsu.edu>
97 * coefficient.c (pspp_coeff_init): Removed use of
98 pspp_linreg_cache to make the routines more generally useful.
100 2006-05-19 Jason Stover <jhs@math.gcsu.edu>
102 * coefficient.h: Renamed pspp_linreg_coeff to pspp_coeff.
104 * coefficient.c: Moved to src/math.
106 * coefficient.h: Moved to src/math.
108 Tue May 9 21:09:37 2006 Ben Pfaff <blp@gnu.org>
110 * sort.c (sort_active_file_to_casefile): Check return value of
111 multipass_procedure().
113 Wed May 3 23:06:43 2006 Ben Pfaff <blp@gnu.org>
115 Continue reforming procedure execution. In this phase, get rid of
116 many global variables, consolidating procedure execution in
117 procedure.c. Encapsulate transformations in new "struct
118 trns_chain". Also, change implementation of N OF CASES, FILTER,
119 and PROCESS IF from special cases to transformations.
121 * sort.c: (prepare_to_sort_active_file) Don't run a procedure
123 (sort_active_file_in_place) Rewrite to run a procedure, capture
124 the output, sort the output, and set that as the source for the
126 (struct sort_to_casefile_cb_data) New structure.
127 (sort_to_casefile_callback) New function.
128 (sort_active_file_to_casefile) Rewrite to use
129 multipass_procedure().
131 Sat Apr 29 11:09:33 WST 2006 John Darrington <john@darrington.wattle.id.au>
133 * removed unused variable.
135 Sat Apr 15 18:01:22 2006 Ben Pfaff <blp@gnu.org>
137 * factor-stats.c (metrics_postcalc): Add casts to fix warnings.
139 Thu Mar 2 08:40:33 WST 2006 John Darrington <john@darrington.wattle.id.au>
141 * Moved files from src directory