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Annotation of /pkg/ChangeLog

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Revision 869 - (view) (download)
Original Path: trunk/tm/ChangeLog

1 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * R/source.R (Source): Add Length slot.
4 :    
5 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
6 :    
7 :     * R/AAA.R: Unify duplicated .onLoad function.
8 :    
9 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
10 :    
11 :     * DESCRIPTION (Suggests): Added Rmpi.
12 :    
13 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
14 :    
15 :     * R/source.R (getElem): Fix 'no visible binding' warning.
16 :    
17 :     * man/WeightFunction.Rd: Fix signature.
18 :    
19 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
20 :    
21 :     * R/weight.R: Introduce name abbreviations for weighting functions.
22 :    
23 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
24 :    
25 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
26 :    
27 :     * R/cluster.R: Provide convenience functions for using a MPI
28 :     cluster.
29 :    
30 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
31 :     available.
32 :    
33 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
34 :     available.
35 :    
36 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
37 :    
38 :     * R/textdoccol.R (lapply): Removed debug print out.
39 :    
40 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
41 :    
42 :     * R/reader.R (readRCV1): Improved meta data extraction from
43 :     Reuters Corpus Volume 1 documents.
44 :    
45 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
46 :    
47 :     * R/transform.R: Ensure that all mappings preserve multiline
48 :     structures.
49 :    
50 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
51 :    
52 :     * R/filter.R: Every filter has now an attribute indicating whether
53 :     it sould be applied to document level (doclevel).
54 :    
55 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
56 :     filter.
57 :    
58 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
59 :    
60 :     * R/transform.R (replacePatterns): Replaced removeWords by
61 :     replacePatterns. Suggested by Christian Buchta.
62 :    
63 :     * R/textdoccol.R (inspect): Improved formatting.
64 :    
65 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
66 :    
67 :     * inst/CITATION: Updated JSS article information.
68 :    
69 :     * R/textdoccol.R (setAs): Added coerce method from list to
70 :     corpus.
71 :    
72 :     * R/meta.R (meta): Improved meta data handling.
73 :    
74 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
75 :    
76 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
77 :     Christian Buchta.
78 :    
79 :     * inst/CITATION: Added template to include JSS article reference.
80 :    
81 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
82 :    
83 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
84 :    
85 : feinerer 832 * R/source.R: Added VectorSource.
86 :    
87 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
88 :    
89 :     * man/: Language codes should be in ISO 639-1 format.
90 :    
91 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
92 :    
93 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
94 :    
95 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
96 :     containing plain text documents to disk.
97 :    
98 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
99 :    
100 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
101 :     always set correctly.
102 :    
103 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
104 :     since in most cases this is the wanted behaviour.
105 :    
106 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
107 :    
108 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
109 :    
110 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
111 :    
112 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
113 :    
114 :     * R/meta.R (meta): New function for consistent access to meta data
115 :     of document collections, repositories, and texts.
116 :    
117 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
118 :    
119 :     * R/: Better support for encodings.
120 :    
121 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
122 :    
123 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
124 :     selection when no reader argument is given.
125 :    
126 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
127 :    
128 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
129 :     internally.
130 :    
131 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
132 :    
133 :     * R/reader.R (getReaders): Returns available reader functions.
134 :    
135 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
136 :     as default.
137 :    
138 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
139 :    
140 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
141 :     variable warnings.
142 :    
143 :     * man/: Documentation for showMeta, added an example for tmMap.
144 :    
145 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
146 :     some minor typos fixed.
147 :    
148 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
149 :    
150 :     * R/aobjects.R (showMeta): Added method for pretty printing a
151 :     text document's meta data.
152 :    
153 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
154 :    
155 :     * R/textdoccol.R (TextDocCol): Better handling of empty
156 :     arguments.
157 :    
158 :     * NAMESPACE: Exported readDOC.
159 :    
160 : feinerer 800 * man/completeStems.Rd: Added an example.
161 :    
162 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
163 : feinerer 796
164 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
165 :     call. Allows users to modify stopword .dat files interactively.
166 :    
167 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
168 :    
169 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
170 :     documents.
171 :    
172 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
173 :    
174 :     * man/: Updated documentation.
175 :    
176 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
177 :    
178 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
179 :     stems.
180 :    
181 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
182 :     constructor.
183 :    
184 :     * NAMESPACE: Exported termFreq.
185 :    
186 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
187 :    
188 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
189 :    
190 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
191 :    
192 :     * R/weight.R: Weighting functions for TermDocMatrix.
193 :    
194 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
195 :    
196 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
197 :     functions for accessing dimension, column, and row names.
198 :    
199 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
200 :    
201 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
202 :    
203 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
204 :    
205 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
206 :    
207 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
208 :    
209 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
210 :    
211 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
212 :     pdfinfo. The system call gives a warning anyway.
213 :    
214 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
215 :    
216 :     * R/textdoccol.R (asPlain): Conversion from
217 :     StructuredTextDocuments to PlainTextDocuments.
218 :    
219 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
220 :    
221 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
222 :     for accessing term-document matrices.
223 :    
224 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
225 :     are installed.
226 :    
227 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
228 :    
229 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
230 :     Christian Buchta.
231 :    
232 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
233 :    
234 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
235 :    
236 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
237 :    
238 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
239 :    
240 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
241 :    
242 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
243 :    
244 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
245 :    
246 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
247 :    
248 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
249 :    
250 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
251 :    
252 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
253 :    
254 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
255 :     package cba by new dist call from package proxy.
256 :    
257 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
258 :    
259 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
260 :    
261 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
262 :    
263 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
264 :     loading messages.
265 :    
266 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
267 :    
268 :     * R/dictionary.R: Added dictionary support.
269 :    
270 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
271 :    
272 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
273 :     documents. This simplifies some functions, e.g., asPlain.
274 :    
275 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
276 :    
277 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
278 :    
279 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
280 :    
281 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
282 :     words by a single word. Useful for synonyms.
283 :    
284 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
285 :    
286 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
287 :    
288 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
289 :    
290 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
291 :     vectors. Thanks to Ariel Maguyon for his error report.
292 :     (removeSparseTerms): New function to remove columns from a
293 :     term-document matrix exceeding a sparse factor.
294 :    
295 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
296 :    
297 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
298 :    
299 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
300 :    
301 :     * man/sFilter.Rd: Corrected documentation on statement format (use
302 :     '==' instead of '=').
303 :    
304 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
305 :    
306 :     * R/aobjects.R (StructuredTextDocument): Inherits from
307 :     TextDocument.
308 :    
309 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
310 :    
311 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
312 :     on sparse matrices as proposed by Martin Maechler.
313 :    
314 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
315 :    
316 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
317 :     \pkg{filehash} version makes them deprecated.
318 :    
319 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
320 :    
321 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
322 :     erasing stopwords.
323 :     (weightMatrix): Adapted to handle sparse matrices.
324 :     (TermDocMatrix): Sparse matrix is now efficiently built by
325 :     direct stepwise insertion of row values into it.
326 :    
327 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
328 :    
329 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
330 :     due to ongoing problems. For our purposes the latter is as useful
331 :     as the replaced package.
332 :    
333 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
334 :    
335 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
336 :    
337 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
338 :    
339 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
340 :    
341 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
342 :     languages with available stopwords.
343 :    
344 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
345 :    
346 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
347 :    
348 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
349 :    
350 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
351 :     have been integrated.
352 : feinerer 731
353 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
354 :     for various other languages.
355 :    
356 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
357 :    
358 : feinerer 730 * man/: Updated documentation.
359 :    
360 : feinerer 729 * Work/testDb.R: Script to test database stuff.
361 :    
362 :     * R/: Fixed various database related bugs. Seems to be rather
363 :     useable now, i.e., consider as alpha status for now.
364 :    
365 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
366 :    
367 :     * R/: Fixed some bugs related to database support.
368 :    
369 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
370 :    
371 :     * man/: Added a lot of examples to the manuals.
372 :    
373 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
374 :    
375 :     * man/: Updated parts of the documentation.
376 :    
377 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
378 :     documents to plain text documents.
379 :    
380 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
381 :    
382 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
383 :     intensively tested.
384 :    
385 : feinerer 723 * R/source.R: Now each source has a default reader.
386 :    
387 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
388 :     class anymore.
389 :    
390 :     * R/plaintextdoc.R: Custom show method for plain text documents.
391 :    
392 :     * R/aobjects.R: Added a class for structured text documents.
393 :    
394 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
395 :     \code{reader}.
396 :    
397 :     * R/textdoccol.R (summary): Indent tags.
398 :    
399 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
400 : feinerer 722 punctuation marks.
401 :    
402 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
403 :    
404 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
405 :     using prescindMeta().
406 :    
407 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
408 :    
409 :     * R/textdoccol.R: Improved database support.
410 :    
411 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
412 :    
413 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
414 :    
415 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
416 :     language code.
417 :    
418 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
419 :     into parserControl argument.
420 :    
421 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
422 :    
423 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
424 :    
425 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
426 :     created on the fly.
427 :    
428 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
429 :     a given language (English, German and French at the moment)
430 :    
431 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
432 :     otherwise falls back to Snowball package.
433 :    
434 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
435 :    
436 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
437 :     by "dists" from package "cba" can be used.
438 :    
439 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
440 :    
441 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
442 :     to Kurt's latex suggestion. Removed points and underscores in
443 :     variable names for consistent naming.
444 :    
445 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
446 :    
447 :     * man/TextRepository.Rd: Fixed bug in documentation.
448 :    
449 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
450 :    
451 :     * DESCRIPTION: Update to version 0.1-1.
452 :    
453 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
454 :    
455 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
456 :     wordStem.
457 :    
458 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
459 :    
460 :     * R/: Changes due to Kurt's review.
461 :    
462 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
463 :    
464 :     * R/: Implemented improvements based upon comments by David
465 :     Meyer.
466 :    
467 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
468 :    
469 :     * inst/doc/: Rewrote vignette.
470 :    
471 :     * man/: Improved documentation.
472 :    
473 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
474 :    
475 :     * man/: Updated documentation.
476 :    
477 :     * DESCRIPTION: Changed package name to "tm". Updated version to
478 :     0.1 for first CRAN release.
479 :    
480 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
481 :     list archive example.
482 :    
483 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
484 :     archive example.
485 :    
486 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
487 :     from (several mails per box) mbox format to (single mail per file)
488 :     eml format.
489 :    
490 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
491 :    
492 :     * data/crude.rda: Rebuilt.
493 :    
494 :     * data/acq.rda: Rebuilt.
495 :    
496 :     * R/reader.R: Factored out reader and parser methods from
497 :     textdoccol.R.
498 :    
499 :     * R/source.R: Factored out Source methods from aobjects.R and
500 :     textdoccol.R.
501 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
502 :     feeds.
503 :    
504 :     * R/textdoccol.R (DirSource): Added support for recursive
505 :     traversal of directories.
506 :    
507 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
508 :    
509 :     * R/textdoccol.R ([[): Loads the document corpus automatically
510 :     into memory upon access.
511 :     (tm_transform, tm_filter): Removed several checks whether the
512 :     document is already loaded ([[ ensures this now).
513 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
514 :     mailing list archive.
515 :    
516 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
517 :    
518 :     * R/aobjects.R (TextDocument): Is now a virtual class.
519 :     (Source): Is now a virtual class.
520 :    
521 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
522 :    
523 :     * R/textdoccol.R (c): Support for an arbitrary number of document
524 :     collections.
525 :    
526 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
527 :    
528 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
529 :     append_meta and remove_meta.
530 :    
531 :     * R/textdoccol.R: Removed modify_metadata method.
532 :    
533 :     * R/textrepo.R: Removed modify_metadata method.
534 :    
535 :     * R/textdoccol.R (remove_meta): Supports removal of document
536 :     collection metadata and document (= in data frame) metadata.
537 :    
538 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
539 :    
540 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
541 :    
542 :     * data/crude.rda: Rebuilt.
543 :    
544 :     * data/acq.rda: Rebuilt.
545 :    
546 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
547 :    
548 :     * R/textdoccol.R ([): Bug fix for subsetting a document
549 :     collection's data frame.
550 :    
551 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
552 :    
553 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
554 :     to s_filter.
555 :    
556 :     * R/textdoccol.R: Local text documents' metadata can now be copied
557 :     to a document collection's data frame with prescind_meta.
558 :    
559 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
560 :    
561 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
562 :    
563 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
564 :    
565 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
566 :    
567 :     * R/: Various fixes in handling metadata.
568 :    
569 :     * R/: Added update mechanism for text document collections.
570 :    
571 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
572 :    
573 :     * R/: Merging of document collections now creates a binary tree
574 :     for reconstructing merged document collections.
575 :    
576 :     * R/: Redesign of metadata for document collections.
577 :    
578 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
579 :    
580 :     * R/: Messages now use \code{ngettext}.
581 :    
582 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
583 :    
584 :     * R/: Added functions for modifying and removing metadata.
585 :    
586 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
587 :    
588 :     * man/: Updated some documentation.
589 :    
590 :     * R/: Corrected some connection issues.
591 :    
592 :     * inst/doc: Worked on the vignette.
593 :    
594 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
595 :    
596 : feinerer 66 * inst/: Added texts and started vignette.
597 :    
598 : feinerer 65 * R/: Final changes based upon David's comments.
599 :    
600 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
601 :    
602 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
603 :     directives!).
604 :    
605 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
606 :    
607 :     * R/: Modified the TextDocCol constructur and various parsers. It
608 :     is now modular and supports various file formats via plugins (see
609 :     the new "Source" class).
610 :    
611 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
612 :    
613 :     * man/: Revised documentation after previous code changes.
614 :    
615 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
616 :    
617 :     * R/: Remaining changes as discussed with David.
618 :    
619 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
620 :    
621 :     * R/: Some changes as suggested by David. The rest will follow
622 :     within the next days.
623 :    
624 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
625 :    
626 :     * man/: Finished documentation.
627 :    
628 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
629 :    
630 :     * man/: Wrote some documentation.
631 :    
632 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
633 :    
634 :     * R/: Further syntactic sugar in form of additional assignment and
635 :     accessor methods.
636 :    
637 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
638 :    
639 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
640 : feinerer 56 operators.
641 : feinerer 54
642 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
643 :    
644 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
645 :     and dissimilarities.
646 :    
647 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
648 :    
649 :     * R/: Added similarity functions.
650 :    
651 :     * data/: Added english stopwords.
652 :    
653 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
654 :    
655 : feinerer 51 * data/: Examples compiled for new features
656 :    
657 :     * R/: Changes due to new structure.
658 :    
659 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
660 :    
661 :     * R/termdocmatrix.R: Adapted for new naming scheme.
662 :    
663 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
664 :    
665 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
666 :     several transform and filter functions operating on text document
667 :     collections (alias text document databases).
668 :    
669 :     * R/aobjects.R: Adapted class structure with inheritance,
670 :     repositories and additional meta data. Loading files on demand is
671 :     now possible.
672 :    
673 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
674 :    
675 :     * R/: Some cosmetic cleanups.
676 :    
677 :     * inst/: Removed vignette on clustering. That and much more is now
678 :     described in the JSS paper on text mining. Based upon that
679 :     article an elaborated vignette will be incorporated in the future.
680 :    
681 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
682 :    
683 :     * R/: Updated generic S4 methods to comply with signature changes
684 :     in newer versions of R (> 2.3)
685 :    
686 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
687 :    
688 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
689 :    
690 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
691 :    
692 :     * R/textdoccol.R: Added RIS HTML input format.
693 :    
694 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
695 :    
696 :     * R/textdoccol.R: Removed bug that caused invalid text document
697 :     collections when handling many input files.
698 :    
699 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
700 :    
701 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
702 :     mechanism.
703 :    
704 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
705 :     ReutNews.rda
706 :    
707 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
708 :    
709 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
710 :    
711 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
712 :    
713 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
714 :     clustering facilities of this package.
715 :    
716 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
717 :    
718 :     * R/aobjects.R: Changed package document structure to avoid class
719 :     dependency problems.
720 :    
721 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
722 :    
723 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
724 : feinerer 29 data set.
725 :    
726 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
727 : feinerer 28 CMD check textmin" works without errors.
728 :    
729 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
730 :    
731 :     * src/: Various splits can now be easily created for the
732 :     Reuters21578 data set.
733 :    
734 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
735 :    
736 : feinerer 799 * Updated documentation
737 : feinerer 26
738 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
739 :    
740 : feinerer 799 * Wrote R documentation for some classes and methods.
741 : feinerer 25
742 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
743 :    
744 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
745 :     files. See the questionnaire data/Umfrage.csv for such an example.
746 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
747 : feinerer 22
748 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
749 : feinerer 21 matrix is now possible.
750 :    
751 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
752 :    
753 :     * R/textdoccol.R: One can build term-document matrices if
754 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
755 :     document collection with it.
756 :    
757 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
758 :    
759 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
760 :    
761 :     * R/textdoccol.R: We now can read in a whole XML file with several
762 :     news items.
763 :    
764 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
765 :    
766 :     * R/textdoccol.R: Set up an S4 class for a collection of text
767 :     documents. A first attempt to read in XML input (like the RCV1
768 :     set) was made.
769 :    
770 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
771 :     some accessor functions.
772 :    
773 :     * data/newsitem.xml: Added this XML file for testing purposes. It
774 :     contains a single news item from the Reuters Corpus Volume 1
775 :     (RCV1) XML set.
776 :    
777 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
778 :    
779 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
780 :     textmatrix as k-means clustering provided by R (kmeans) now works on
781 :     this textmatrix. The result is a k-means text clustering with a
782 :     similarity measure based upon word frequences.
783 :    
784 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
785 :    
786 :     * R/textmatrix.R: Adapted the preprocessing code from the R
787 :     package "lsa" written by Fridolin Wild to build a document text matrix.
788 :    
789 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
790 :    
791 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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