1 2007-04-16 John Darrington <john@darrington.wattle.id.au>
3 * t-test.q: Changed the output width of reported counts and
4 degrees of freedom, to avoid truncating these values. Thanks
5 to Seth Woolley for reporting this problem. A proper fix involves
6 re-thinking the output driver.
8 2007-04-12 Jason Stover <jhs@math.gcsu.edu>
10 * regression.q (run_regression): Added if (n_data >0) to fix bug
13 2007-03-29 Jason Stover <jhs@math.gcsu.edu>
15 * regression.q (prepare_data): New function.
17 * regression.q (compute_moments): New function.
19 2007-03-18 Ben Pfaff <blp@gnu.org>
21 * crosstabs.q (static var write): Rename write_style to avoid
22 conflict with POSIX function of same name.
24 2007-03-16 Jason Stover <jhs@math.gcsu.edu>
26 * regression.q (run_regression): Added support for moments.
28 Sat Feb 17 08:16:00 2007 Ben Pfaff <blp@gnu.org>
30 * flip.c (flip_sink_create): Improve error message when temporary
31 file cannot be created.
33 Tue Feb 6 19:58:03 2007 Ben Pfaff <blp@gnu.org>
35 * flip.c (flip_file): Give better error message on end-of-file.
37 2007-02-04 Jason Stover <jhs@math.gcsu.edu>
39 * regression.q: Fixed p-value computation in the test for
40 individual regression coefficients.
42 Mon Jan 15 11:03:20 2007 Ben Pfaff <blp@gnu.org>
44 Fix bugs found by valgrind when --enable-debug is used with the
45 new case code. These bugs are hidden when the data set is small
46 enough to find in memory; if a bigger data set that would overflow
47 to disk were used, then data corruption would occur.
49 * chisquare.c (create_freq_hash): Pass free_freq_mutable_hash to
50 hsh_create as free function. Make copy of data put into hash.
52 * oneway.q (free_value): New function.
53 (run_oneway): Use free_value as arg to hsh_create. Make copy of
56 * rank.q (rank_cases): Don't access data in case after we've given
59 Tue Jan 9 19:16:11 2007 Ben Pfaff <blp@gnu.org>
63 * aggregate.c (parse_aggregate_functions) Initialize
66 Fri Dec 22 14:04:09 2006 Ben Pfaff <blp@gnu.org>
68 Simplify missing value handling.
70 * aggregate.c (struct agr_var): Remove `bool include_missing', add
71 `enum mv_class exclude'. Remove `int missing', add `bool
72 saw_missing'. Update users.
74 * descriptives.c (struct dsc_trns): Removed `int
75 include_user_missing', add `enum mv_class exclude'. Update users.
76 (struct dsc_proc): Ditto.
78 * examine.q: (static var value_is_missing): Rename
79 `exclude_values', change type to `enum mv_class'. Update users.
83 Fri Dec 22 19:22:18 WST 2006 John Darrington <john@darrington.wattle.id.au>
85 * frequencies.q : Fixed bug #17420, where the table bounds were overun
86 when /FORMAT=nolabels was given.
88 Wed Dec 20 18:45:31 WST 2006 John Darrington <john@darrington.wattle.id.au>
90 * binomial.c binomial.h : New files. Thanks to Jason Stover
91 for assistance with these.
93 * chisquare.c chisquare.h freq.c freq.h npar-summary.c npar-summary.h
94 npar.h npar.q: New files. Implementing NPAR TESTS.
96 * frequencies.q : Moved structure definitions into freq.[ch]
98 Sat Dec 16 22:26:44 2006 Ben Pfaff <blp@gnu.org>
100 Make it possible to pull cases from the active file with a
101 function call, instead of requiring indirection through a callback
104 * aggregate.c (cmd_aggregate): Take advantage of new procedure
106 (agr_to_active_file): Removed.
107 (presorted_agr_to_sysfile): Removed.
109 * autorecode.c (cmd_autorecode): Take advantage of new procedure
111 (autorecode_proc_func): Removed.
113 * flip.c (struct flip_pgm): New members to allow conformance with
114 new case_source_class interface.
115 (cmd_flip): Adapt to new case_source_class interface.
116 (flip_source_read): Ditto.
117 (flip_source_destroy): Ditto.
119 Sat Dec 16 12:54:27 2006 Ben Pfaff <blp@gnu.org>
121 * rank.q (rank_custom_variables): Allow grouping variables to be
122 strings. Fixes bug #18533. Thanks to John Darrington for review.
124 Sat Dec 9 18:47:51 2006 Ben Pfaff <blp@gnu.org>
126 * regression.q (is_depvar): Compare variable pointers instead of
129 Thu Dec 7 15:26:25 WST 2006 John Darrington <john@darrington.wattle.id.au>
131 * examine.q: Allocated the categorical values for the dependent and
132 independent variables, on the heap. Hence they can be of any width.
134 Wed Dec 6 21:14:26 2006 Ben Pfaff <blp@gnu.org>
136 * regression.q (reg_inserted): Compare variable pointers instead
139 Mon Dec 4 22:33:46 2006 Ben Pfaff <blp@gnu.org>
141 * crosstabs.q (insert_summary): Use var_to_string for labeling.
142 (output_pivot_table) Ditto.
145 * frequencies.q (setup_z_trns): Ditto.
147 (dump_condensed) Ditto.
148 (dump_statistics) Ditto.
151 Sun Nov 5 08:31:42 WST 2006 John Darrington <john@darrington.wattle.id.au>
153 * t-test.q, oneway.q: Changed to use the new casefilter structure.
155 Sat Oct 14 16:52:28 2006 Ben Pfaff <blp@gnu.org>
157 * rank.q: (rank_sorted_casefile) Add some missing case_destroy()
158 calls to fix a memory leak.
160 Sun Oct 8 09:45:40 WST 2006 John Darrington <john@darrington.wattle.id.au>
162 * rank.q: Plugged a small memory leak which occurred under error
165 Sat Oct 7 11:06:01 WST 2006 John Darrington <john@darrington.wattle.id.au>
167 * rank.q: Implemented most of the RANK command.
169 2006-07-14 Jason Stover <jhs@math.gcsu.edu>
171 * regression.q (run_regression): New function to move knowledge of
172 pspp_linreg_cache out of math/coefficient.[ch].
174 Sat Jul 1 17:41:46 2006 Ben Pfaff <blp@gnu.org>
176 Fix bug #11612, "q2c documentation does not agree with code".
178 * examine.q: Audit use of q2c "+" prefixes that indicate that a
179 command may appear multiple times.
181 * frequencies.q: Ditto.
185 * regression.q: Ditto.
189 Fri Jun 23 14:18:22 2006 Ben Pfaff <blp@gnu.org>
191 Support long string variables on FREQUENCIES, as
192 an extension when in enhanced algorithms mode. For Greg Hunt
193 <greg@firmansyah.com>.
195 * frequencies.q: (struct freq) Change `v' member from union value
196 to union value *. Update all references.
197 (struct var_freqs) Add width, print members to represent effective
198 variable width and display format.
199 (calc) Copy entire long string value into the hash table.
200 (frq_custom_variables) Set new width, print members.
201 (hash_value_alpha) Get width from var_freqs.
202 (compare_value_alpha_a) Ditto.
203 (compare_freq_alpha_a) Ditto.
204 (compare_freq_alpha_d) Ditto.
205 (dump_full) Get display format from var_freqs.
206 (dump_condensed) Ditto.
208 Mon Jun 19 22:07:13 2006 Ben Pfaff <blp@gnu.org>
210 * frequencies.q: (dump_full) Only put the first MAX_SHORT_STRING
211 bytes of string variables into the output cells, seeing as we only
213 (dump_condensed) Ditto.
215 Mon Jun 19 21:52:05 2006 Ben Pfaff <blp@gnu.org>
217 Fixes a bug reported by Greg Hunt <greg@firmansyah.com>.
219 * frequencies.q: (hsh_hash_bytes) We only copy the first
220 MAX_SHORT_STRING bytes of string variables, so we must only
221 compare that many bytes, even if the string variable is longer.
222 (compare_value_alpha_a) Ditto.
223 (compare_freq_alpha_a) Ditto.
224 (compare_freq_alpha_d) Ditto.
226 2006-05-11 Jason Stover <jhs@math.gcsu.edu>
228 * regression.q: Adjusted code to account for cache->coeff being a
229 pspp_linreg_coeff **.
231 Sun May 7 18:31:25 2006 Ben Pfaff <blp@gnu.org>
235 * aggregate.c (cmd_aggregate): Free default_dict before replacing
238 Sun May 7 17:09:19 2006 Ben Pfaff <blp@gnu.org>
240 * flip.c (flip_file): Check return value of pool_fclose().
242 Sat May 6 16:00:13 2006 Ben Pfaff <blp@gnu.org>
244 Get rid of `char *c' member in union value, for cleanliness.
246 * aggregate.c: (union agr_argument) New union.
247 (struct agr_var) Change element type of arg[] from union value to
249 (parse_aggregate_functions) Change local variable types likewise.
251 * autorecode.c: (union arc_value) New union.
252 (struct arc_item) Change "from" from union value to union
254 (recode) Change local variable from union value to union
256 (autorecode_trns_proc) Ditto.
257 (compare_alpha_value) Ditto.
258 (hash_alpha_value) Ditto.
259 (compare_numeric_value) Ditto.
260 (hash_numeric_value) Ditto.
261 (autorecode_proc_func) Ditto.
263 Sat May 6 10:43:33 2006 Ben Pfaff <blp@gnu.org>
265 Continue reforming procedure execution. In this phase, get rid of
266 the output code for SPLIT FILE groups in procedure.c, which really
267 shouldn't be doing any output. Move it into the individual
268 procedures instead. This also adds some flexibility.
270 * crosstabs.q (precalc): Call output_split_file_values().
272 * descriptives.c (calc_descriptives): Ditto.
274 * examine.q (run_examine): Ditto.
276 * frequencies.q (precalc): Ditto.
278 * oneway.q (run_oneway): Ditto.
280 * regression.q (run_regression): Ditto.
282 * t-test.q (calculate): Ditto.
284 Wed May 3 23:05:31 2006 Ben Pfaff <blp@gnu.org>
286 Continue reforming procedure execution. In this phase, get rid of
287 many global variables, consolidating procedure execution in
288 procedure.c. Encapsulate transformations in new "struct
289 trns_chain". Also, change implementation of N OF CASES, FILTER,
290 and PROCESS IF from special cases to transformations.
292 * aggregate.c (cmd_aggregate) Use discard_variables().
294 2006-04-28 Jason Stover <jhs@math.gcsu.edu>
296 * regression.q (regression_trns_resid_proc): Pass only the
297 variables used in the model to (*model->residual)().
299 * regression.q (regression_trns_pred_proc): Pass only the
300 variables used in the model to (*model->pred)().
302 2006-04-26 Jason Stover <jhs@math.gcsu.edu>
304 * regression.q: Added support for multiple transformations.
306 * regression.q (regression_trns_resid_proc): New function.
308 * regression.q (regression_trns_pred_proc): New function.
310 * regression.q (subcommand_save): Added support for saving
313 * regression.q (regression_trns_free): New function.
315 * regression.q (reg_get_name): New function.
317 * regression.q (reg_save_var): New function.
319 Tue Apr 25 13:18:56 2006 Ben Pfaff <blp@gnu.org>
321 * rank.q (parse_rank_function): Use SE instead of ME for parse
324 Tue Apr 25 13:16:28 2006 Ben Pfaff <blp@gnu.org>
326 * flip.c (flip_sink_write): Use snprintf() to simplify a bit of
329 2006-04-21 Jason Stover <jhs@math.gcsu.edu>
331 * regression.q (try_name): New function. (Partly copied from
332 try_name in descriptives.c.)
334 * regression.q (subcommand_save): Choose residual variable names
337 2006-04-20 Jason Stover <jhs@math.gcsu.edu>
339 * regression.q (cmd_regression): Moved call to subcommand_save()
340 outside multipass_procedure_with_splits().
342 * regression.q (regression_trns_proc): Fixed value counter n_vals
343 before calling *model->residual().
345 2006-04-19 Jason Stover <jhs@math.gcsu.edu>
347 * regression.q (regression_trns_proc): Fixed the look-up of the
350 2006-04-18 Jason Stover <jhs@math.gcsu.edu>
352 * regression.q (regression_trns_proc): Look up the residual
353 variable in the linear regression cache.
355 * regression.q (subcommand_save): Set the residual variable in the
356 linear regression cache.
358 2006-04-17 Jason Stover <jason@wonko.gcsu.edu>
360 * regression.q (regression_trns_proc): Accept case_idx as an int
361 to match the definition of trns_proc_func.
363 2006-04-17 Jason Stover <jhs@math.gcsu.edu>
365 * regression.q (regression_trns_proc): New function.
367 * regression.q (subcommand_save): Create variable residuals and
368 add a transformation to assign values to them. Also free the
369 linreg_cache if the SAVE command was not called. Removed the
370 casereading loop. Placed actual computation of residuals in
371 regression_trns_proc.
373 * regression.q (run_regression): Moved call to free
374 pspp_linreg_cache to subcommand_save.
376 Sat Apr 15 18:01:03 2006 Ben Pfaff <blp@gnu.org>
378 * examine.q (output_examine): Add casts to fix warnings.
380 2006-04-07 Jason Stover <jhs@math.gcsu.edu>
382 * regression.q (subcommand_save): New function.
384 2006-04-04 Jason Stover <jhs@math.gcsu.edu>
386 * regression.q: New function reg_has_categorical () to tell
387 whether a pspp_linreg_struct was made with any variables of type
390 * regression.q: (subcommand_export): Call
391 reg_print_categorical_encoding() only if the model uses any
392 categorical variables.
394 Mon Mar 27 16:00:42 2006 Ben Pfaff <blp@gnu.org>
396 * crosstabs.q: (output_pivot_table) Drop spurious space from
399 2006-03-15 Jason Stover <jhs@math.gcsu.edu>
401 * regression.q: Added custom syntax parser for VARIABLES subcommand
403 * regression.q: Moved most instructions for run_regression ()
404 inside the loop over dependent variables.
406 Thu Mar 2 08:40:33 WST 2006 John Darrington <john@darrington.wattle.id.au>
408 * Moved files from src directory