1 2007-04-12 Jason Stover <jhs@math.gcsu.edu>
3 * regression.q (run_regression): Added if (n_data >0) to fix bug
6 2007-03-29 Jason Stover <jhs@math.gcsu.edu>
8 * regression.q (prepare_data): New function.
10 * regression.q (compute_moments): New function.
12 2007-03-18 Ben Pfaff <blp@gnu.org>
14 * crosstabs.q (static var write): Rename write_style to avoid
15 conflict with POSIX function of same name.
17 2007-03-16 Jason Stover <jhs@math.gcsu.edu>
19 * regression.q (run_regression): Added support for moments.
21 Sat Feb 17 08:16:00 2007 Ben Pfaff <blp@gnu.org>
23 * flip.c (flip_sink_create): Improve error message when temporary
24 file cannot be created.
26 Tue Feb 6 19:58:03 2007 Ben Pfaff <blp@gnu.org>
28 * flip.c (flip_file): Give better error message on end-of-file.
30 2007-02-04 Jason Stover <jhs@math.gcsu.edu>
32 * regression.q: Fixed p-value computation in the test for
33 individual regression coefficients.
35 Mon Jan 15 11:03:20 2007 Ben Pfaff <blp@gnu.org>
37 Fix bugs found by valgrind when --enable-debug is used with the
38 new case code. These bugs are hidden when the data set is small
39 enough to find in memory; if a bigger data set that would overflow
40 to disk were used, then data corruption would occur.
42 * chisquare.c (create_freq_hash): Pass free_freq_mutable_hash to
43 hsh_create as free function. Make copy of data put into hash.
45 * oneway.q (free_value): New function.
46 (run_oneway): Use free_value as arg to hsh_create. Make copy of
49 * rank.q (rank_cases): Don't access data in case after we've given
52 Tue Jan 9 19:16:11 2007 Ben Pfaff <blp@gnu.org>
56 * aggregate.c (parse_aggregate_functions) Initialize
59 Fri Dec 22 14:04:09 2006 Ben Pfaff <blp@gnu.org>
61 Simplify missing value handling.
63 * aggregate.c (struct agr_var): Remove `bool include_missing', add
64 `enum mv_class exclude'. Remove `int missing', add `bool
65 saw_missing'. Update users.
67 * descriptives.c (struct dsc_trns): Removed `int
68 include_user_missing', add `enum mv_class exclude'. Update users.
69 (struct dsc_proc): Ditto.
71 * examine.q: (static var value_is_missing): Rename
72 `exclude_values', change type to `enum mv_class'. Update users.
76 Fri Dec 22 19:22:18 WST 2006 John Darrington <john@darrington.wattle.id.au>
78 * frequencies.q : Fixed bug #17420, where the table bounds were overun
79 when /FORMAT=nolabels was given.
81 Wed Dec 20 18:45:31 WST 2006 John Darrington <john@darrington.wattle.id.au>
83 * binomial.c binomial.h : New files. Thanks to Jason Stover
84 for assistance with these.
86 * chisquare.c chisquare.h freq.c freq.h npar-summary.c npar-summary.h
87 npar.h npar.q: New files. Implementing NPAR TESTS.
89 * frequencies.q : Moved structure definitions into freq.[ch]
91 Sat Dec 16 22:26:44 2006 Ben Pfaff <blp@gnu.org>
93 Make it possible to pull cases from the active file with a
94 function call, instead of requiring indirection through a callback
97 * aggregate.c (cmd_aggregate): Take advantage of new procedure
99 (agr_to_active_file): Removed.
100 (presorted_agr_to_sysfile): Removed.
102 * autorecode.c (cmd_autorecode): Take advantage of new procedure
104 (autorecode_proc_func): Removed.
106 * flip.c (struct flip_pgm): New members to allow conformance with
107 new case_source_class interface.
108 (cmd_flip): Adapt to new case_source_class interface.
109 (flip_source_read): Ditto.
110 (flip_source_destroy): Ditto.
112 Sat Dec 16 12:54:27 2006 Ben Pfaff <blp@gnu.org>
114 * rank.q (rank_custom_variables): Allow grouping variables to be
115 strings. Fixes bug #18533. Thanks to John Darrington for review.
117 Sat Dec 9 18:47:51 2006 Ben Pfaff <blp@gnu.org>
119 * regression.q (is_depvar): Compare variable pointers instead of
122 Thu Dec 7 15:26:25 WST 2006 John Darrington <john@darrington.wattle.id.au>
124 * examine.q: Allocated the categorical values for the dependent and
125 independent variables, on the heap. Hence they can be of any width.
127 Wed Dec 6 21:14:26 2006 Ben Pfaff <blp@gnu.org>
129 * regression.q (reg_inserted): Compare variable pointers instead
132 Mon Dec 4 22:33:46 2006 Ben Pfaff <blp@gnu.org>
134 * crosstabs.q (insert_summary): Use var_to_string for labeling.
135 (output_pivot_table) Ditto.
138 * frequencies.q (setup_z_trns): Ditto.
140 (dump_condensed) Ditto.
141 (dump_statistics) Ditto.
144 Sun Nov 5 08:31:42 WST 2006 John Darrington <john@darrington.wattle.id.au>
146 * t-test.q, oneway.q: Changed to use the new casefilter structure.
148 Sat Oct 14 16:52:28 2006 Ben Pfaff <blp@gnu.org>
150 * rank.q: (rank_sorted_casefile) Add some missing case_destroy()
151 calls to fix a memory leak.
153 Sun Oct 8 09:45:40 WST 2006 John Darrington <john@darrington.wattle.id.au>
155 * rank.q: Plugged a small memory leak which occurred under error
158 Sat Oct 7 11:06:01 WST 2006 John Darrington <john@darrington.wattle.id.au>
160 * rank.q: Implemented most of the RANK command.
162 2006-07-14 Jason Stover <jhs@math.gcsu.edu>
164 * regression.q (run_regression): New function to move knowledge of
165 pspp_linreg_cache out of math/coefficient.[ch].
167 Sat Jul 1 17:41:46 2006 Ben Pfaff <blp@gnu.org>
169 Fix bug #11612, "q2c documentation does not agree with code".
171 * examine.q: Audit use of q2c "+" prefixes that indicate that a
172 command may appear multiple times.
174 * frequencies.q: Ditto.
178 * regression.q: Ditto.
182 Fri Jun 23 14:18:22 2006 Ben Pfaff <blp@gnu.org>
184 Support long string variables on FREQUENCIES, as
185 an extension when in enhanced algorithms mode. For Greg Hunt
186 <greg@firmansyah.com>.
188 * frequencies.q: (struct freq) Change `v' member from union value
189 to union value *. Update all references.
190 (struct var_freqs) Add width, print members to represent effective
191 variable width and display format.
192 (calc) Copy entire long string value into the hash table.
193 (frq_custom_variables) Set new width, print members.
194 (hash_value_alpha) Get width from var_freqs.
195 (compare_value_alpha_a) Ditto.
196 (compare_freq_alpha_a) Ditto.
197 (compare_freq_alpha_d) Ditto.
198 (dump_full) Get display format from var_freqs.
199 (dump_condensed) Ditto.
201 Mon Jun 19 22:07:13 2006 Ben Pfaff <blp@gnu.org>
203 * frequencies.q: (dump_full) Only put the first MAX_SHORT_STRING
204 bytes of string variables into the output cells, seeing as we only
206 (dump_condensed) Ditto.
208 Mon Jun 19 21:52:05 2006 Ben Pfaff <blp@gnu.org>
210 Fixes a bug reported by Greg Hunt <greg@firmansyah.com>.
212 * frequencies.q: (hsh_hash_bytes) We only copy the first
213 MAX_SHORT_STRING bytes of string variables, so we must only
214 compare that many bytes, even if the string variable is longer.
215 (compare_value_alpha_a) Ditto.
216 (compare_freq_alpha_a) Ditto.
217 (compare_freq_alpha_d) Ditto.
219 2006-05-11 Jason Stover <jhs@math.gcsu.edu>
221 * regression.q: Adjusted code to account for cache->coeff being a
222 pspp_linreg_coeff **.
224 Sun May 7 18:31:25 2006 Ben Pfaff <blp@gnu.org>
228 * aggregate.c (cmd_aggregate): Free default_dict before replacing
231 Sun May 7 17:09:19 2006 Ben Pfaff <blp@gnu.org>
233 * flip.c (flip_file): Check return value of pool_fclose().
235 Sat May 6 16:00:13 2006 Ben Pfaff <blp@gnu.org>
237 Get rid of `char *c' member in union value, for cleanliness.
239 * aggregate.c: (union agr_argument) New union.
240 (struct agr_var) Change element type of arg[] from union value to
242 (parse_aggregate_functions) Change local variable types likewise.
244 * autorecode.c: (union arc_value) New union.
245 (struct arc_item) Change "from" from union value to union
247 (recode) Change local variable from union value to union
249 (autorecode_trns_proc) Ditto.
250 (compare_alpha_value) Ditto.
251 (hash_alpha_value) Ditto.
252 (compare_numeric_value) Ditto.
253 (hash_numeric_value) Ditto.
254 (autorecode_proc_func) Ditto.
256 Sat May 6 10:43:33 2006 Ben Pfaff <blp@gnu.org>
258 Continue reforming procedure execution. In this phase, get rid of
259 the output code for SPLIT FILE groups in procedure.c, which really
260 shouldn't be doing any output. Move it into the individual
261 procedures instead. This also adds some flexibility.
263 * crosstabs.q (precalc): Call output_split_file_values().
265 * descriptives.c (calc_descriptives): Ditto.
267 * examine.q (run_examine): Ditto.
269 * frequencies.q (precalc): Ditto.
271 * oneway.q (run_oneway): Ditto.
273 * regression.q (run_regression): Ditto.
275 * t-test.q (calculate): Ditto.
277 Wed May 3 23:05:31 2006 Ben Pfaff <blp@gnu.org>
279 Continue reforming procedure execution. In this phase, get rid of
280 many global variables, consolidating procedure execution in
281 procedure.c. Encapsulate transformations in new "struct
282 trns_chain". Also, change implementation of N OF CASES, FILTER,
283 and PROCESS IF from special cases to transformations.
285 * aggregate.c (cmd_aggregate) Use discard_variables().
287 2006-04-28 Jason Stover <jhs@math.gcsu.edu>
289 * regression.q (regression_trns_resid_proc): Pass only the
290 variables used in the model to (*model->residual)().
292 * regression.q (regression_trns_pred_proc): Pass only the
293 variables used in the model to (*model->pred)().
295 2006-04-26 Jason Stover <jhs@math.gcsu.edu>
297 * regression.q: Added support for multiple transformations.
299 * regression.q (regression_trns_resid_proc): New function.
301 * regression.q (regression_trns_pred_proc): New function.
303 * regression.q (subcommand_save): Added support for saving
306 * regression.q (regression_trns_free): New function.
308 * regression.q (reg_get_name): New function.
310 * regression.q (reg_save_var): New function.
312 Tue Apr 25 13:18:56 2006 Ben Pfaff <blp@gnu.org>
314 * rank.q (parse_rank_function): Use SE instead of ME for parse
317 Tue Apr 25 13:16:28 2006 Ben Pfaff <blp@gnu.org>
319 * flip.c (flip_sink_write): Use snprintf() to simplify a bit of
322 2006-04-21 Jason Stover <jhs@math.gcsu.edu>
324 * regression.q (try_name): New function. (Partly copied from
325 try_name in descriptives.c.)
327 * regression.q (subcommand_save): Choose residual variable names
330 2006-04-20 Jason Stover <jhs@math.gcsu.edu>
332 * regression.q (cmd_regression): Moved call to subcommand_save()
333 outside multipass_procedure_with_splits().
335 * regression.q (regression_trns_proc): Fixed value counter n_vals
336 before calling *model->residual().
338 2006-04-19 Jason Stover <jhs@math.gcsu.edu>
340 * regression.q (regression_trns_proc): Fixed the look-up of the
343 2006-04-18 Jason Stover <jhs@math.gcsu.edu>
345 * regression.q (regression_trns_proc): Look up the residual
346 variable in the linear regression cache.
348 * regression.q (subcommand_save): Set the residual variable in the
349 linear regression cache.
351 2006-04-17 Jason Stover <jason@wonko.gcsu.edu>
353 * regression.q (regression_trns_proc): Accept case_idx as an int
354 to match the definition of trns_proc_func.
356 2006-04-17 Jason Stover <jhs@math.gcsu.edu>
358 * regression.q (regression_trns_proc): New function.
360 * regression.q (subcommand_save): Create variable residuals and
361 add a transformation to assign values to them. Also free the
362 linreg_cache if the SAVE command was not called. Removed the
363 casereading loop. Placed actual computation of residuals in
364 regression_trns_proc.
366 * regression.q (run_regression): Moved call to free
367 pspp_linreg_cache to subcommand_save.
369 Sat Apr 15 18:01:03 2006 Ben Pfaff <blp@gnu.org>
371 * examine.q (output_examine): Add casts to fix warnings.
373 2006-04-07 Jason Stover <jhs@math.gcsu.edu>
375 * regression.q (subcommand_save): New function.
377 2006-04-04 Jason Stover <jhs@math.gcsu.edu>
379 * regression.q: New function reg_has_categorical () to tell
380 whether a pspp_linreg_struct was made with any variables of type
383 * regression.q: (subcommand_export): Call
384 reg_print_categorical_encoding() only if the model uses any
385 categorical variables.
387 Mon Mar 27 16:00:42 2006 Ben Pfaff <blp@gnu.org>
389 * crosstabs.q: (output_pivot_table) Drop spurious space from
392 2006-03-15 Jason Stover <jhs@math.gcsu.edu>
394 * regression.q: Added custom syntax parser for VARIABLES subcommand
396 * regression.q: Moved most instructions for run_regression ()
397 inside the loop over dependent variables.
399 Thu Mar 2 08:40:33 WST 2006 John Darrington <john@darrington.wattle.id.au>
401 * Moved files from src directory