X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2FChangeLog;h=5a44056b2d482b0fc62270ea2452f302bbb8b4ef;hb=871f4456a207925fdce3df3150af3f3b263b2776;hp=cb7aad19bb20037cb1e598c56175824e19dabab2;hpb=91d578f595e4170576edad6f0e0901beb6b085d9;p=pspp-builds.git diff --git a/src/language/stats/ChangeLog b/src/language/stats/ChangeLog index cb7aad19..5a44056b 100644 --- a/src/language/stats/ChangeLog +++ b/src/language/stats/ChangeLog @@ -1,3 +1,335 @@ +2007-03-29 Jason Stover + + * regression.q (prepare_data): New function. + + * regression.q (compute_moments): New function. + +2007-03-18 Ben Pfaff + + * crosstabs.q (static var write): Rename write_style to avoid + conflict with POSIX function of same name. + +2007-03-16 Jason Stover + + * regression.q (run_regression): Added support for moments. + +Sat Feb 17 08:16:00 2007 Ben Pfaff + + * flip.c (flip_sink_create): Improve error message when temporary + file cannot be created. + +Tue Feb 6 19:58:03 2007 Ben Pfaff + + * flip.c (flip_file): Give better error message on end-of-file. + +2007-02-04 Jason Stover + + * regression.q: Fixed p-value computation in the test for + individual regression coefficients. + +Mon Jan 15 11:03:20 2007 Ben Pfaff + + Fix bugs found by valgrind when --enable-debug is used with the + new case code. These bugs are hidden when the data set is small + enough to find in memory; if a bigger data set that would overflow + to disk were used, then data corruption would occur. + + * chisquare.c (create_freq_hash): Pass free_freq_mutable_hash to + hsh_create as free function. Make copy of data put into hash. + + * oneway.q (free_value): New function. + (run_oneway): Use free_value as arg to hsh_create. Make copy of + data put into hash. + + * rank.q (rank_cases): Don't access data in case after we've given + away the case. + +Tue Jan 9 19:16:11 2007 Ben Pfaff + + Fix bug #18739. + + * aggregate.c (parse_aggregate_functions) Initialize + function_name. + +Fri Dec 22 14:04:09 2006 Ben Pfaff + + Simplify missing value handling. + + * aggregate.c (struct agr_var): Remove `bool include_missing', add + `enum mv_class exclude'. Remove `int missing', add `bool + saw_missing'. Update users. + + * descriptives.c (struct dsc_trns): Removed `int + include_user_missing', add `enum mv_class exclude'. Update users. + (struct dsc_proc): Ditto. + + * examine.q: (static var value_is_missing): Rename + `exclude_values', change type to `enum mv_class'. Update users. + + * rank.q: Ditto. + +Fri Dec 22 19:22:18 WST 2006 John Darrington + + * frequencies.q : Fixed bug #17420, where the table bounds were overun + when /FORMAT=nolabels was given. + +Wed Dec 20 18:45:31 WST 2006 John Darrington + + * binomial.c binomial.h : New files. Thanks to Jason Stover + for assistance with these. + + * chisquare.c chisquare.h freq.c freq.h npar-summary.c npar-summary.h + npar.h npar.q: New files. Implementing NPAR TESTS. + + * frequencies.q : Moved structure definitions into freq.[ch] + +Sat Dec 16 22:26:44 2006 Ben Pfaff + + Make it possible to pull cases from the active file with a + function call, instead of requiring indirection through a callback + function. + + * aggregate.c (cmd_aggregate): Take advantage of new procedure + interface. + (agr_to_active_file): Removed. + (presorted_agr_to_sysfile): Removed. + + * autorecode.c (cmd_autorecode): Take advantage of new procedure + interface. + (autorecode_proc_func): Removed. + + * flip.c (struct flip_pgm): New members to allow conformance with + new case_source_class interface. + (cmd_flip): Adapt to new case_source_class interface. + (flip_source_read): Ditto. + (flip_source_destroy): Ditto. + +Sat Dec 16 12:54:27 2006 Ben Pfaff + + * rank.q (rank_custom_variables): Allow grouping variables to be + strings. Fixes bug #18533. Thanks to John Darrington for review. + +Sat Dec 9 18:47:51 2006 Ben Pfaff + + * regression.q (is_depvar): Compare variable pointers instead of + variable names. + +Thu Dec 7 15:26:25 WST 2006 John Darrington + + * examine.q: Allocated the categorical values for the dependent and + independent variables, on the heap. Hence they can be of any width. + +Wed Dec 6 21:14:26 2006 Ben Pfaff + + * regression.q (reg_inserted): Compare variable pointers instead + of variable indexes. + +Mon Dec 4 22:33:46 2006 Ben Pfaff + + * crosstabs.q (insert_summary): Use var_to_string for labeling. + (output_pivot_table) Ditto. + (submit) Ditto. + + * frequencies.q (setup_z_trns): Ditto. + (dump_full) Ditto. + (dump_condensed) Ditto. + (dump_statistics) Ditto. + + +Sun Nov 5 08:31:42 WST 2006 John Darrington + + * t-test.q, oneway.q: Changed to use the new casefilter structure. + +Sat Oct 14 16:52:28 2006 Ben Pfaff + + * rank.q: (rank_sorted_casefile) Add some missing case_destroy() + calls to fix a memory leak. + +Sun Oct 8 09:45:40 WST 2006 John Darrington + + * rank.q: Plugged a small memory leak which occurred under error + conditions. + +Sat Oct 7 11:06:01 WST 2006 John Darrington + + * rank.q: Implemented most of the RANK command. + +2006-07-14 Jason Stover + + * regression.q (run_regression): New function to move knowledge of + pspp_linreg_cache out of math/coefficient.[ch]. + +Sat Jul 1 17:41:46 2006 Ben Pfaff + + Fix bug #11612, "q2c documentation does not agree with code". + + * examine.q: Audit use of q2c "+" prefixes that indicate that a + command may appear multiple times. + + * frequencies.q: Ditto. + + * oneway.q: Ditto. + + * regression.q: Ditto. + + * t-test.q: Ditto. + +Fri Jun 23 14:18:22 2006 Ben Pfaff + + Support long string variables on FREQUENCIES, as + an extension when in enhanced algorithms mode. For Greg Hunt + . + + * frequencies.q: (struct freq) Change `v' member from union value + to union value *. Update all references. + (struct var_freqs) Add width, print members to represent effective + variable width and display format. + (calc) Copy entire long string value into the hash table. + (frq_custom_variables) Set new width, print members. + (hash_value_alpha) Get width from var_freqs. + (compare_value_alpha_a) Ditto. + (compare_freq_alpha_a) Ditto. + (compare_freq_alpha_d) Ditto. + (dump_full) Get display format from var_freqs. + (dump_condensed) Ditto. + +Mon Jun 19 22:07:13 2006 Ben Pfaff + + * frequencies.q: (dump_full) Only put the first MAX_SHORT_STRING + bytes of string variables into the output cells, seeing as we only + copy that many. + (dump_condensed) Ditto. + +Mon Jun 19 21:52:05 2006 Ben Pfaff + + Fixes a bug reported by Greg Hunt . + + * frequencies.q: (hsh_hash_bytes) We only copy the first + MAX_SHORT_STRING bytes of string variables, so we must only + compare that many bytes, even if the string variable is longer. + (compare_value_alpha_a) Ditto. + (compare_freq_alpha_a) Ditto. + (compare_freq_alpha_d) Ditto. + +2006-05-11 Jason Stover + + * regression.q: Adjusted code to account for cache->coeff being a + pspp_linreg_coeff **. + +Sun May 7 18:31:25 2006 Ben Pfaff + + Fix memory leak. + + * aggregate.c (cmd_aggregate): Free default_dict before replacing + it. + +Sun May 7 17:09:19 2006 Ben Pfaff + + * flip.c (flip_file): Check return value of pool_fclose(). + +Sat May 6 16:00:13 2006 Ben Pfaff + + Get rid of `char *c' member in union value, for cleanliness. + + * aggregate.c: (union agr_argument) New union. + (struct agr_var) Change element type of arg[] from union value to + union agr_argument. + (parse_aggregate_functions) Change local variable types likewise. + + * autorecode.c: (union arc_value) New union. + (struct arc_item) Change "from" from union value to union + arc_value. + (recode) Change local variable from union value to union + arc_value. + (autorecode_trns_proc) Ditto. + (compare_alpha_value) Ditto. + (hash_alpha_value) Ditto. + (compare_numeric_value) Ditto. + (hash_numeric_value) Ditto. + (autorecode_proc_func) Ditto. + +Sat May 6 10:43:33 2006 Ben Pfaff + + Continue reforming procedure execution. In this phase, get rid of + the output code for SPLIT FILE groups in procedure.c, which really + shouldn't be doing any output. Move it into the individual + procedures instead. This also adds some flexibility. + + * crosstabs.q (precalc): Call output_split_file_values(). + + * descriptives.c (calc_descriptives): Ditto. + + * examine.q (run_examine): Ditto. + + * frequencies.q (precalc): Ditto. + + * oneway.q (run_oneway): Ditto. + + * regression.q (run_regression): Ditto. + + * t-test.q (calculate): Ditto. + +Wed May 3 23:05:31 2006 Ben Pfaff + + Continue reforming procedure execution. In this phase, get rid of + many global variables, consolidating procedure execution in + procedure.c. Encapsulate transformations in new "struct + trns_chain". Also, change implementation of N OF CASES, FILTER, + and PROCESS IF from special cases to transformations. + + * aggregate.c (cmd_aggregate) Use discard_variables(). + +2006-04-28 Jason Stover + + * regression.q (regression_trns_resid_proc): Pass only the + variables used in the model to (*model->residual)(). + + * regression.q (regression_trns_pred_proc): Pass only the + variables used in the model to (*model->pred)(). + +2006-04-26 Jason Stover + + * regression.q: Added support for multiple transformations. + + * regression.q (regression_trns_resid_proc): New function. + + * regression.q (regression_trns_pred_proc): New function. + + * regression.q (subcommand_save): Added support for saving + predicted values. + + * regression.q (regression_trns_free): New function. + + * regression.q (reg_get_name): New function. + + * regression.q (reg_save_var): New function. + +Tue Apr 25 13:18:56 2006 Ben Pfaff + + * rank.q (parse_rank_function): Use SE instead of ME for parse + errors. + +Tue Apr 25 13:16:28 2006 Ben Pfaff + + * flip.c (flip_sink_write): Use snprintf() to simplify a bit of + code. + +2006-04-21 Jason Stover + + * regression.q (try_name): New function. (Partly copied from + try_name in descriptives.c.) + + * regression.q (subcommand_save): Choose residual variable names + correctly. + +2006-04-20 Jason Stover + + * regression.q (cmd_regression): Moved call to subcommand_save() + outside multipass_procedure_with_splits(). + + * regression.q (regression_trns_proc): Fixed value counter n_vals + before calling *model->residual(). + 2006-04-19 Jason Stover * regression.q (regression_trns_proc): Fixed the look-up of the