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Annotation of /pkg/ChangeLog

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Revision 761 - (view) (download)
Original Path: trunk/tm/ChangeLog

1 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
4 :    
5 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
6 :    
7 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
8 :     loading messages.
9 :    
10 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
11 :    
12 :     * R/dictionary.R: Added dictionary support.
13 :    
14 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
15 :    
16 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
17 :     documents. This simplifies some functions, e.g., asPlain.
18 :    
19 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
20 :    
21 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
22 :    
23 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
24 :    
25 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
26 :     words by a single word. Useful for synonyms.
27 :    
28 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
29 :    
30 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
31 :    
32 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
33 :    
34 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
35 :     vectors. Thanks to Ariel Maguyon for his error report.
36 :     (removeSparseTerms): New function to remove columns from a
37 :     term-document matrix exceeding a sparse factor.
38 :    
39 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
40 :    
41 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
42 :    
43 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
44 :    
45 :     * man/sFilter.Rd: Corrected documentation on statement format (use
46 :     '==' instead of '=').
47 :    
48 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
49 :    
50 :     * R/aobjects.R (StructuredTextDocument): Inherits from
51 :     TextDocument.
52 :    
53 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
54 :    
55 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
56 :     on sparse matrices as proposed by Martin Maechler.
57 :    
58 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
59 :    
60 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
61 :     \pkg{filehash} version makes them deprecated.
62 :    
63 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
64 :    
65 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
66 :     erasing stopwords.
67 :     (weightMatrix): Adapted to handle sparse matrices.
68 :     (TermDocMatrix): Sparse matrix is now efficiently built by
69 :     direct stepwise insertion of row values into it.
70 :    
71 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
72 :    
73 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
74 :     due to ongoing problems. For our purposes the latter is as useful
75 :     as the replaced package.
76 :    
77 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
78 :    
79 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
80 :    
81 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
82 :    
83 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
84 :    
85 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
86 :     languages with available stopwords.
87 :    
88 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
89 :    
90 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
91 :    
92 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
93 :    
94 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
95 :     have been integrated.
96 : feinerer 731
97 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
98 :     for various other languages.
99 :    
100 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
101 :    
102 : feinerer 730 * man/: Updated documentation.
103 :    
104 : feinerer 729 * Work/testDb.R: Script to test database stuff.
105 :    
106 :     * R/: Fixed various database related bugs. Seems to be rather
107 :     useable now, i.e., consider as alpha status for now.
108 :    
109 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
110 :    
111 :     * R/: Fixed some bugs related to database support.
112 :    
113 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
114 :    
115 :     * man/: Added a lot of examples to the manuals.
116 :    
117 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
118 :    
119 :     * man/: Updated parts of the documentation.
120 :    
121 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
122 :     documents to plain text documents.
123 :    
124 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
125 :    
126 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
127 :     intensively tested.
128 :    
129 : feinerer 723 * R/source.R: Now each source has a default reader.
130 :    
131 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
132 :     class anymore.
133 :    
134 :     * R/plaintextdoc.R: Custom show method for plain text documents.
135 :    
136 :     * R/aobjects.R: Added a class for structured text documents.
137 :    
138 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
139 :     \code{reader}.
140 :    
141 :     * R/textdoccol.R (summary): Indent tags.
142 :    
143 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
144 : feinerer 722 punctuation marks.
145 :    
146 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
147 :    
148 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
149 :     using prescindMeta().
150 :    
151 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
152 :    
153 :     * R/textdoccol.R: Improved database support.
154 :    
155 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
156 :    
157 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
158 :    
159 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
160 :     language code.
161 :    
162 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
163 :     into parserControl argument.
164 :    
165 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
166 :    
167 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
168 :    
169 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
170 :     created on the fly.
171 :    
172 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
173 :     a given language (English, German and French at the moment)
174 :    
175 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
176 :     otherwise falls back to Snowball package.
177 :    
178 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
179 :    
180 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
181 :     by "dists" from package "cba" can be used.
182 :    
183 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
184 :    
185 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
186 :     to Kurt's latex suggestion. Removed points and underscores in
187 :     variable names for consistent naming.
188 :    
189 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
190 :    
191 :     * man/TextRepository.Rd: Fixed bug in documentation.
192 :    
193 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
194 :    
195 :     * DESCRIPTION: Update to version 0.1-1.
196 :    
197 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
198 :    
199 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
200 :     wordStem.
201 :    
202 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
203 :    
204 :     * R/: Changes due to Kurt's review.
205 :    
206 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
207 :    
208 :     * R/: Implemented improvements based upon comments by David
209 :     Meyer.
210 :    
211 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
212 :    
213 :     * inst/doc/: Rewrote vignette.
214 :    
215 :     * man/: Improved documentation.
216 :    
217 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
218 :    
219 :     * man/: Updated documentation.
220 :    
221 :     * DESCRIPTION: Changed package name to "tm". Updated version to
222 :     0.1 for first CRAN release.
223 :    
224 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
225 :     list archive example.
226 :    
227 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
228 :     archive example.
229 :    
230 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
231 :     from (several mails per box) mbox format to (single mail per file)
232 :     eml format.
233 :    
234 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
235 :    
236 :     * data/crude.rda: Rebuilt.
237 :    
238 :     * data/acq.rda: Rebuilt.
239 :    
240 :     * R/reader.R: Factored out reader and parser methods from
241 :     textdoccol.R.
242 :    
243 :     * R/source.R: Factored out Source methods from aobjects.R and
244 :     textdoccol.R.
245 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
246 :     feeds.
247 :    
248 :     * R/textdoccol.R (DirSource): Added support for recursive
249 :     traversal of directories.
250 :    
251 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
252 :    
253 :     * R/textdoccol.R ([[): Loads the document corpus automatically
254 :     into memory upon access.
255 :     (tm_transform, tm_filter): Removed several checks whether the
256 :     document is already loaded ([[ ensures this now).
257 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
258 :     mailing list archive.
259 :    
260 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
261 :    
262 :     * R/aobjects.R (TextDocument): Is now a virtual class.
263 :     (Source): Is now a virtual class.
264 :    
265 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
266 :    
267 :     * R/textdoccol.R (c): Support for an arbitrary number of document
268 :     collections.
269 :    
270 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
271 :    
272 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
273 :     append_meta and remove_meta.
274 :    
275 :     * R/textdoccol.R: Removed modify_metadata method.
276 :    
277 :     * R/textrepo.R: Removed modify_metadata method.
278 :    
279 :     * R/textdoccol.R (remove_meta): Supports removal of document
280 :     collection metadata and document (= in data frame) metadata.
281 :    
282 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
283 :    
284 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
285 :    
286 :     * data/crude.rda: Rebuilt.
287 :    
288 :     * data/acq.rda: Rebuilt.
289 :    
290 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
291 :    
292 :     * R/textdoccol.R ([): Bug fix for subsetting a document
293 :     collection's data frame.
294 :    
295 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
296 :    
297 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
298 :     to s_filter.
299 :    
300 :     * R/textdoccol.R: Local text documents' metadata can now be copied
301 :     to a document collection's data frame with prescind_meta.
302 :    
303 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
304 :    
305 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
306 :    
307 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
308 :    
309 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
310 :    
311 :     * R/: Various fixes in handling metadata.
312 :    
313 :     * R/: Added update mechanism for text document collections.
314 :    
315 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
316 :    
317 :     * R/: Merging of document collections now creates a binary tree
318 :     for reconstructing merged document collections.
319 :    
320 :     * R/: Redesign of metadata for document collections.
321 :    
322 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
323 :    
324 :     * R/: Messages now use \code{ngettext}.
325 :    
326 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
327 :    
328 :     * R/: Added functions for modifying and removing metadata.
329 :    
330 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
331 :    
332 :     * man/: Updated some documentation.
333 :    
334 :     * R/: Corrected some connection issues.
335 :    
336 :     * inst/doc: Worked on the vignette.
337 :    
338 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
339 :    
340 : feinerer 66 * inst/: Added texts and started vignette.
341 :    
342 : feinerer 65 * R/: Final changes based upon David's comments.
343 :    
344 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
345 :    
346 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
347 :     directives!).
348 :    
349 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
350 :    
351 :     * R/: Modified the TextDocCol constructur and various parsers. It
352 :     is now modular and supports various file formats via plugins (see
353 :     the new "Source" class).
354 :    
355 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
356 :    
357 :     * man/: Revised documentation after previous code changes.
358 :    
359 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
360 :    
361 :     * R/: Remaining changes as discussed with David.
362 :    
363 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
364 :    
365 :     * R/: Some changes as suggested by David. The rest will follow
366 :     within the next days.
367 :    
368 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
369 :    
370 :     * man/: Finished documentation.
371 :    
372 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
373 :    
374 :     * man/: Wrote some documentation.
375 :    
376 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
377 :    
378 :     * R/: Further syntactic sugar in form of additional assignment and
379 :     accessor methods.
380 :    
381 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
382 :    
383 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
384 : feinerer 56 operators.
385 : feinerer 54
386 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
387 :    
388 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
389 :     and dissimilarities.
390 :    
391 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
392 :    
393 :     * R/: Added similarity functions.
394 :    
395 :     * data/: Added english stopwords.
396 :    
397 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
398 :    
399 : feinerer 51 * data/: Examples compiled for new features
400 :    
401 :     * R/: Changes due to new structure.
402 :    
403 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
404 :    
405 :     * R/termdocmatrix.R: Adapted for new naming scheme.
406 :    
407 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
408 :    
409 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
410 :     several transform and filter functions operating on text document
411 :     collections (alias text document databases).
412 :    
413 :     * R/aobjects.R: Adapted class structure with inheritance,
414 :     repositories and additional meta data. Loading files on demand is
415 :     now possible.
416 :    
417 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
418 :    
419 :     * R/: Some cosmetic cleanups.
420 :    
421 :     * inst/: Removed vignette on clustering. That and much more is now
422 :     described in the JSS paper on text mining. Based upon that
423 :     article an elaborated vignette will be incorporated in the future.
424 :    
425 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
426 :    
427 :     * R/: Updated generic S4 methods to comply with signature changes
428 :     in newer versions of R (> 2.3)
429 :    
430 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
431 :    
432 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
433 :    
434 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
435 :    
436 :     * R/textdoccol.R: Added RIS HTML input format.
437 :    
438 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
439 :    
440 :     * R/textdoccol.R: Removed bug that caused invalid text document
441 :     collections when handling many input files.
442 :    
443 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
444 :    
445 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
446 :     mechanism.
447 :    
448 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
449 :     ReutNews.rda
450 :    
451 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
452 :    
453 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
454 :    
455 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
456 :    
457 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
458 :     clustering facilities of this package.
459 :    
460 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
461 :    
462 :     * R/aobjects.R: Changed package document structure to avoid class
463 :     dependency problems.
464 :    
465 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
466 :    
467 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
468 :     data set.
469 :    
470 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
471 :     CMD check textmin" works without errors.
472 :    
473 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
474 :    
475 :     * src/: Various splits can now be easily created for the
476 :     Reuters21578 data set.
477 :    
478 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
479 :    
480 :     * Updated documentation
481 :    
482 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
483 :    
484 :     * Wrote R documentation for some classes and methods.
485 :    
486 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
487 :    
488 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
489 :     files. See the questionnaire data/Umfrage.csv for such an example.
490 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
491 : feinerer 22
492 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
493 :     matrix is now possible.
494 :    
495 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
496 :    
497 :     * R/textdoccol.R: One can build term-document matrices if
498 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
499 :     document collection with it.
500 :    
501 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
502 :    
503 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
504 :    
505 :     * R/textdoccol.R: We now can read in a whole XML file with several
506 :     news items.
507 :    
508 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
509 :    
510 :     * R/textdoccol.R: Set up an S4 class for a collection of text
511 :     documents. A first attempt to read in XML input (like the RCV1
512 :     set) was made.
513 :    
514 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
515 :     some accessor functions.
516 :    
517 :     * data/newsitem.xml: Added this XML file for testing purposes. It
518 :     contains a single news item from the Reuters Corpus Volume 1
519 :     (RCV1) XML set.
520 :    
521 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
522 :    
523 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
524 :     textmatrix as k-means clustering provided by R (kmeans) now works on
525 :     this textmatrix. The result is a k-means text clustering with a
526 :     similarity measure based upon word frequences.
527 :    
528 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
529 :    
530 :     * R/textmatrix.R: Adapted the preprocessing code from the R
531 :     package "lsa" written by Fridolin Wild to build a document text matrix.
532 :    
533 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
534 :    
535 :     * Set up the R Text Mining Package infrastructure.

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