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Revision 868 - (view) (download)
Original Path: trunk/tm/ChangeLog

1 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * DESCRIPTION (Suggests): Added Rmpi.
4 :    
5 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
6 :    
7 :     * R/source.R (getElem): Fix 'no visible binding' warning.
8 :    
9 :     * man/WeightFunction.Rd: Fix signature.
10 :    
11 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
12 :    
13 :     * R/weight.R: Introduce name abbreviations for weighting functions.
14 :    
15 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
16 :    
17 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
18 :    
19 :     * R/cluster.R: Provide convenience functions for using a MPI
20 :     cluster.
21 :    
22 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
23 :     available.
24 :    
25 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
26 :     available.
27 :    
28 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
29 :    
30 :     * R/textdoccol.R (lapply): Removed debug print out.
31 :    
32 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
33 :    
34 :     * R/reader.R (readRCV1): Improved meta data extraction from
35 :     Reuters Corpus Volume 1 documents.
36 :    
37 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
38 :    
39 :     * R/transform.R: Ensure that all mappings preserve multiline
40 :     structures.
41 :    
42 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
43 :    
44 :     * R/filter.R: Every filter has now an attribute indicating whether
45 :     it sould be applied to document level (doclevel).
46 :    
47 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
48 :     filter.
49 :    
50 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
51 :    
52 :     * R/transform.R (replacePatterns): Replaced removeWords by
53 :     replacePatterns. Suggested by Christian Buchta.
54 :    
55 :     * R/textdoccol.R (inspect): Improved formatting.
56 :    
57 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
58 :    
59 :     * inst/CITATION: Updated JSS article information.
60 :    
61 :     * R/textdoccol.R (setAs): Added coerce method from list to
62 :     corpus.
63 :    
64 :     * R/meta.R (meta): Improved meta data handling.
65 :    
66 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
67 :    
68 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
69 :     Christian Buchta.
70 :    
71 :     * inst/CITATION: Added template to include JSS article reference.
72 :    
73 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
74 :    
75 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
76 :    
77 : feinerer 832 * R/source.R: Added VectorSource.
78 :    
79 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
80 :    
81 :     * man/: Language codes should be in ISO 639-1 format.
82 :    
83 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
84 :    
85 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
86 :    
87 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
88 :     containing plain text documents to disk.
89 :    
90 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
91 :    
92 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
93 :     always set correctly.
94 :    
95 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
96 :     since in most cases this is the wanted behaviour.
97 :    
98 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
99 :    
100 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
101 :    
102 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
103 :    
104 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
105 :    
106 :     * R/meta.R (meta): New function for consistent access to meta data
107 :     of document collections, repositories, and texts.
108 :    
109 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
110 :    
111 :     * R/: Better support for encodings.
112 :    
113 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
114 :    
115 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
116 :     selection when no reader argument is given.
117 :    
118 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
119 :    
120 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
121 :     internally.
122 :    
123 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
124 :    
125 :     * R/reader.R (getReaders): Returns available reader functions.
126 :    
127 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
128 :     as default.
129 :    
130 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
131 :    
132 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
133 :     variable warnings.
134 :    
135 :     * man/: Documentation for showMeta, added an example for tmMap.
136 :    
137 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
138 :     some minor typos fixed.
139 :    
140 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
141 :    
142 :     * R/aobjects.R (showMeta): Added method for pretty printing a
143 :     text document's meta data.
144 :    
145 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
146 :    
147 :     * R/textdoccol.R (TextDocCol): Better handling of empty
148 :     arguments.
149 :    
150 :     * NAMESPACE: Exported readDOC.
151 :    
152 : feinerer 800 * man/completeStems.Rd: Added an example.
153 :    
154 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
155 : feinerer 796
156 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
157 :     call. Allows users to modify stopword .dat files interactively.
158 :    
159 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
160 :    
161 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
162 :     documents.
163 :    
164 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
165 :    
166 :     * man/: Updated documentation.
167 :    
168 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
169 :    
170 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
171 :     stems.
172 :    
173 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
174 :     constructor.
175 :    
176 :     * NAMESPACE: Exported termFreq.
177 :    
178 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
179 :    
180 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
181 :    
182 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
183 :    
184 :     * R/weight.R: Weighting functions for TermDocMatrix.
185 :    
186 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
187 :    
188 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
189 :     functions for accessing dimension, column, and row names.
190 :    
191 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
192 :    
193 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
194 :    
195 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
196 :    
197 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
198 :    
199 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
200 :    
201 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
202 :    
203 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
204 :     pdfinfo. The system call gives a warning anyway.
205 :    
206 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
207 :    
208 :     * R/textdoccol.R (asPlain): Conversion from
209 :     StructuredTextDocuments to PlainTextDocuments.
210 :    
211 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
212 :    
213 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
214 :     for accessing term-document matrices.
215 :    
216 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
217 :     are installed.
218 :    
219 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
220 :    
221 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
222 :     Christian Buchta.
223 :    
224 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
225 :    
226 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
227 :    
228 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
229 :    
230 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
231 :    
232 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
233 :    
234 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
235 :    
236 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
237 :    
238 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
239 :    
240 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
241 :    
242 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
243 :    
244 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
245 :    
246 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
247 :     package cba by new dist call from package proxy.
248 :    
249 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
250 :    
251 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
252 :    
253 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
254 :    
255 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
256 :     loading messages.
257 :    
258 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
259 :    
260 :     * R/dictionary.R: Added dictionary support.
261 :    
262 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
263 :    
264 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
265 :     documents. This simplifies some functions, e.g., asPlain.
266 :    
267 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
268 :    
269 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
270 :    
271 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
272 :    
273 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
274 :     words by a single word. Useful for synonyms.
275 :    
276 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
277 :    
278 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
279 :    
280 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
281 :    
282 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
283 :     vectors. Thanks to Ariel Maguyon for his error report.
284 :     (removeSparseTerms): New function to remove columns from a
285 :     term-document matrix exceeding a sparse factor.
286 :    
287 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
288 :    
289 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
290 :    
291 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
292 :    
293 :     * man/sFilter.Rd: Corrected documentation on statement format (use
294 :     '==' instead of '=').
295 :    
296 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
297 :    
298 :     * R/aobjects.R (StructuredTextDocument): Inherits from
299 :     TextDocument.
300 :    
301 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
302 :    
303 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
304 :     on sparse matrices as proposed by Martin Maechler.
305 :    
306 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
307 :    
308 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
309 :     \pkg{filehash} version makes them deprecated.
310 :    
311 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
312 :    
313 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
314 :     erasing stopwords.
315 :     (weightMatrix): Adapted to handle sparse matrices.
316 :     (TermDocMatrix): Sparse matrix is now efficiently built by
317 :     direct stepwise insertion of row values into it.
318 :    
319 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
320 :    
321 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
322 :     due to ongoing problems. For our purposes the latter is as useful
323 :     as the replaced package.
324 :    
325 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
326 :    
327 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
328 :    
329 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
330 :    
331 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
332 :    
333 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
334 :     languages with available stopwords.
335 :    
336 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
337 :    
338 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
339 :    
340 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
341 :    
342 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
343 :     have been integrated.
344 : feinerer 731
345 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
346 :     for various other languages.
347 :    
348 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
349 :    
350 : feinerer 730 * man/: Updated documentation.
351 :    
352 : feinerer 729 * Work/testDb.R: Script to test database stuff.
353 :    
354 :     * R/: Fixed various database related bugs. Seems to be rather
355 :     useable now, i.e., consider as alpha status for now.
356 :    
357 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
358 :    
359 :     * R/: Fixed some bugs related to database support.
360 :    
361 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
362 :    
363 :     * man/: Added a lot of examples to the manuals.
364 :    
365 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
366 :    
367 :     * man/: Updated parts of the documentation.
368 :    
369 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
370 :     documents to plain text documents.
371 :    
372 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
373 :    
374 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
375 :     intensively tested.
376 :    
377 : feinerer 723 * R/source.R: Now each source has a default reader.
378 :    
379 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
380 :     class anymore.
381 :    
382 :     * R/plaintextdoc.R: Custom show method for plain text documents.
383 :    
384 :     * R/aobjects.R: Added a class for structured text documents.
385 :    
386 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
387 :     \code{reader}.
388 :    
389 :     * R/textdoccol.R (summary): Indent tags.
390 :    
391 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
392 : feinerer 722 punctuation marks.
393 :    
394 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
395 :    
396 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
397 :     using prescindMeta().
398 :    
399 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
400 :    
401 :     * R/textdoccol.R: Improved database support.
402 :    
403 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
404 :    
405 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
406 :    
407 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
408 :     language code.
409 :    
410 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
411 :     into parserControl argument.
412 :    
413 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
414 :    
415 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
416 :    
417 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
418 :     created on the fly.
419 :    
420 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
421 :     a given language (English, German and French at the moment)
422 :    
423 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
424 :     otherwise falls back to Snowball package.
425 :    
426 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
427 :    
428 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
429 :     by "dists" from package "cba" can be used.
430 :    
431 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
432 :    
433 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
434 :     to Kurt's latex suggestion. Removed points and underscores in
435 :     variable names for consistent naming.
436 :    
437 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
438 :    
439 :     * man/TextRepository.Rd: Fixed bug in documentation.
440 :    
441 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
442 :    
443 :     * DESCRIPTION: Update to version 0.1-1.
444 :    
445 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
446 :    
447 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
448 :     wordStem.
449 :    
450 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
451 :    
452 :     * R/: Changes due to Kurt's review.
453 :    
454 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
455 :    
456 :     * R/: Implemented improvements based upon comments by David
457 :     Meyer.
458 :    
459 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
460 :    
461 :     * inst/doc/: Rewrote vignette.
462 :    
463 :     * man/: Improved documentation.
464 :    
465 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
466 :    
467 :     * man/: Updated documentation.
468 :    
469 :     * DESCRIPTION: Changed package name to "tm". Updated version to
470 :     0.1 for first CRAN release.
471 :    
472 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
473 :     list archive example.
474 :    
475 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
476 :     archive example.
477 :    
478 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
479 :     from (several mails per box) mbox format to (single mail per file)
480 :     eml format.
481 :    
482 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
483 :    
484 :     * data/crude.rda: Rebuilt.
485 :    
486 :     * data/acq.rda: Rebuilt.
487 :    
488 :     * R/reader.R: Factored out reader and parser methods from
489 :     textdoccol.R.
490 :    
491 :     * R/source.R: Factored out Source methods from aobjects.R and
492 :     textdoccol.R.
493 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
494 :     feeds.
495 :    
496 :     * R/textdoccol.R (DirSource): Added support for recursive
497 :     traversal of directories.
498 :    
499 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
500 :    
501 :     * R/textdoccol.R ([[): Loads the document corpus automatically
502 :     into memory upon access.
503 :     (tm_transform, tm_filter): Removed several checks whether the
504 :     document is already loaded ([[ ensures this now).
505 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
506 :     mailing list archive.
507 :    
508 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
509 :    
510 :     * R/aobjects.R (TextDocument): Is now a virtual class.
511 :     (Source): Is now a virtual class.
512 :    
513 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
514 :    
515 :     * R/textdoccol.R (c): Support for an arbitrary number of document
516 :     collections.
517 :    
518 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
519 :    
520 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
521 :     append_meta and remove_meta.
522 :    
523 :     * R/textdoccol.R: Removed modify_metadata method.
524 :    
525 :     * R/textrepo.R: Removed modify_metadata method.
526 :    
527 :     * R/textdoccol.R (remove_meta): Supports removal of document
528 :     collection metadata and document (= in data frame) metadata.
529 :    
530 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
531 :    
532 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
533 :    
534 :     * data/crude.rda: Rebuilt.
535 :    
536 :     * data/acq.rda: Rebuilt.
537 :    
538 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
539 :    
540 :     * R/textdoccol.R ([): Bug fix for subsetting a document
541 :     collection's data frame.
542 :    
543 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
544 :    
545 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
546 :     to s_filter.
547 :    
548 :     * R/textdoccol.R: Local text documents' metadata can now be copied
549 :     to a document collection's data frame with prescind_meta.
550 :    
551 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
552 :    
553 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
554 :    
555 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
556 :    
557 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
558 :    
559 :     * R/: Various fixes in handling metadata.
560 :    
561 :     * R/: Added update mechanism for text document collections.
562 :    
563 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
564 :    
565 :     * R/: Merging of document collections now creates a binary tree
566 :     for reconstructing merged document collections.
567 :    
568 :     * R/: Redesign of metadata for document collections.
569 :    
570 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
571 :    
572 :     * R/: Messages now use \code{ngettext}.
573 :    
574 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
575 :    
576 :     * R/: Added functions for modifying and removing metadata.
577 :    
578 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
579 :    
580 :     * man/: Updated some documentation.
581 :    
582 :     * R/: Corrected some connection issues.
583 :    
584 :     * inst/doc: Worked on the vignette.
585 :    
586 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
587 :    
588 : feinerer 66 * inst/: Added texts and started vignette.
589 :    
590 : feinerer 65 * R/: Final changes based upon David's comments.
591 :    
592 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
593 :    
594 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
595 :     directives!).
596 :    
597 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
598 :    
599 :     * R/: Modified the TextDocCol constructur and various parsers. It
600 :     is now modular and supports various file formats via plugins (see
601 :     the new "Source" class).
602 :    
603 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
604 :    
605 :     * man/: Revised documentation after previous code changes.
606 :    
607 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
608 :    
609 :     * R/: Remaining changes as discussed with David.
610 :    
611 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
612 :    
613 :     * R/: Some changes as suggested by David. The rest will follow
614 :     within the next days.
615 :    
616 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
617 :    
618 :     * man/: Finished documentation.
619 :    
620 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
621 :    
622 :     * man/: Wrote some documentation.
623 :    
624 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
625 :    
626 :     * R/: Further syntactic sugar in form of additional assignment and
627 :     accessor methods.
628 :    
629 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
630 :    
631 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
632 : feinerer 56 operators.
633 : feinerer 54
634 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
635 :    
636 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
637 :     and dissimilarities.
638 :    
639 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
640 :    
641 :     * R/: Added similarity functions.
642 :    
643 :     * data/: Added english stopwords.
644 :    
645 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
646 :    
647 : feinerer 51 * data/: Examples compiled for new features
648 :    
649 :     * R/: Changes due to new structure.
650 :    
651 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
652 :    
653 :     * R/termdocmatrix.R: Adapted for new naming scheme.
654 :    
655 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
656 :    
657 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
658 :     several transform and filter functions operating on text document
659 :     collections (alias text document databases).
660 :    
661 :     * R/aobjects.R: Adapted class structure with inheritance,
662 :     repositories and additional meta data. Loading files on demand is
663 :     now possible.
664 :    
665 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
666 :    
667 :     * R/: Some cosmetic cleanups.
668 :    
669 :     * inst/: Removed vignette on clustering. That and much more is now
670 :     described in the JSS paper on text mining. Based upon that
671 :     article an elaborated vignette will be incorporated in the future.
672 :    
673 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
674 :    
675 :     * R/: Updated generic S4 methods to comply with signature changes
676 :     in newer versions of R (> 2.3)
677 :    
678 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
679 :    
680 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
681 :    
682 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
683 :    
684 :     * R/textdoccol.R: Added RIS HTML input format.
685 :    
686 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
687 :    
688 :     * R/textdoccol.R: Removed bug that caused invalid text document
689 :     collections when handling many input files.
690 :    
691 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
692 :    
693 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
694 :     mechanism.
695 :    
696 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
697 :     ReutNews.rda
698 :    
699 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
700 :    
701 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
702 :    
703 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
704 :    
705 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
706 :     clustering facilities of this package.
707 :    
708 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
709 :    
710 :     * R/aobjects.R: Changed package document structure to avoid class
711 :     dependency problems.
712 :    
713 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
714 :    
715 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
716 : feinerer 29 data set.
717 :    
718 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
719 : feinerer 28 CMD check textmin" works without errors.
720 :    
721 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
722 :    
723 :     * src/: Various splits can now be easily created for the
724 :     Reuters21578 data set.
725 :    
726 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
727 :    
728 : feinerer 799 * Updated documentation
729 : feinerer 26
730 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
731 :    
732 : feinerer 799 * Wrote R documentation for some classes and methods.
733 : feinerer 25
734 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
735 :    
736 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
737 :     files. See the questionnaire data/Umfrage.csv for such an example.
738 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
739 : feinerer 22
740 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
741 : feinerer 21 matrix is now possible.
742 :    
743 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
744 :    
745 :     * R/textdoccol.R: One can build term-document matrices if
746 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
747 :     document collection with it.
748 :    
749 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
750 :    
751 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
752 :    
753 :     * R/textdoccol.R: We now can read in a whole XML file with several
754 :     news items.
755 :    
756 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
757 :    
758 :     * R/textdoccol.R: Set up an S4 class for a collection of text
759 :     documents. A first attempt to read in XML input (like the RCV1
760 :     set) was made.
761 :    
762 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
763 :     some accessor functions.
764 :    
765 :     * data/newsitem.xml: Added this XML file for testing purposes. It
766 :     contains a single news item from the Reuters Corpus Volume 1
767 :     (RCV1) XML set.
768 :    
769 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
770 :    
771 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
772 :     textmatrix as k-means clustering provided by R (kmeans) now works on
773 :     this textmatrix. The result is a k-means text clustering with a
774 :     similarity measure based upon word frequences.
775 :    
776 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
777 :    
778 :     * R/textmatrix.R: Adapted the preprocessing code from the R
779 :     package "lsa" written by Fridolin Wild to build a document text matrix.
780 :    
781 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
782 :    
783 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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