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Annotation of /pkg/ChangeLog

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Revision 763 - (view) (download)
Original Path: trunk/tm/ChangeLog

1 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
4 :     package cba by new dist call from package proxy.
5 :    
6 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
7 :    
8 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
9 :    
10 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
11 :    
12 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
13 :     loading messages.
14 :    
15 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
16 :    
17 :     * R/dictionary.R: Added dictionary support.
18 :    
19 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
20 :    
21 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
22 :     documents. This simplifies some functions, e.g., asPlain.
23 :    
24 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
25 :    
26 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
27 :    
28 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
29 :    
30 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
31 :     words by a single word. Useful for synonyms.
32 :    
33 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
34 :    
35 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
36 :    
37 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
38 :    
39 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
40 :     vectors. Thanks to Ariel Maguyon for his error report.
41 :     (removeSparseTerms): New function to remove columns from a
42 :     term-document matrix exceeding a sparse factor.
43 :    
44 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
45 :    
46 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
47 :    
48 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
49 :    
50 :     * man/sFilter.Rd: Corrected documentation on statement format (use
51 :     '==' instead of '=').
52 :    
53 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
54 :    
55 :     * R/aobjects.R (StructuredTextDocument): Inherits from
56 :     TextDocument.
57 :    
58 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
59 :    
60 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
61 :     on sparse matrices as proposed by Martin Maechler.
62 :    
63 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
64 :    
65 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
66 :     \pkg{filehash} version makes them deprecated.
67 :    
68 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
69 :    
70 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
71 :     erasing stopwords.
72 :     (weightMatrix): Adapted to handle sparse matrices.
73 :     (TermDocMatrix): Sparse matrix is now efficiently built by
74 :     direct stepwise insertion of row values into it.
75 :    
76 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
77 :    
78 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
79 :     due to ongoing problems. For our purposes the latter is as useful
80 :     as the replaced package.
81 :    
82 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
83 :    
84 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
85 :    
86 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
87 :    
88 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
89 :    
90 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
91 :     languages with available stopwords.
92 :    
93 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
94 :    
95 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
96 :    
97 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
98 :    
99 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
100 :     have been integrated.
101 : feinerer 731
102 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
103 :     for various other languages.
104 :    
105 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
106 :    
107 : feinerer 730 * man/: Updated documentation.
108 :    
109 : feinerer 729 * Work/testDb.R: Script to test database stuff.
110 :    
111 :     * R/: Fixed various database related bugs. Seems to be rather
112 :     useable now, i.e., consider as alpha status for now.
113 :    
114 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
115 :    
116 :     * R/: Fixed some bugs related to database support.
117 :    
118 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
119 :    
120 :     * man/: Added a lot of examples to the manuals.
121 :    
122 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
123 :    
124 :     * man/: Updated parts of the documentation.
125 :    
126 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
127 :     documents to plain text documents.
128 :    
129 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
130 :    
131 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
132 :     intensively tested.
133 :    
134 : feinerer 723 * R/source.R: Now each source has a default reader.
135 :    
136 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
137 :     class anymore.
138 :    
139 :     * R/plaintextdoc.R: Custom show method for plain text documents.
140 :    
141 :     * R/aobjects.R: Added a class for structured text documents.
142 :    
143 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
144 :     \code{reader}.
145 :    
146 :     * R/textdoccol.R (summary): Indent tags.
147 :    
148 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
149 : feinerer 722 punctuation marks.
150 :    
151 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
152 :    
153 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
154 :     using prescindMeta().
155 :    
156 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
157 :    
158 :     * R/textdoccol.R: Improved database support.
159 :    
160 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
161 :    
162 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
163 :    
164 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
165 :     language code.
166 :    
167 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
168 :     into parserControl argument.
169 :    
170 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
171 :    
172 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
173 :    
174 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
175 :     created on the fly.
176 :    
177 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
178 :     a given language (English, German and French at the moment)
179 :    
180 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
181 :     otherwise falls back to Snowball package.
182 :    
183 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
184 :    
185 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
186 :     by "dists" from package "cba" can be used.
187 :    
188 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
189 :    
190 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
191 :     to Kurt's latex suggestion. Removed points and underscores in
192 :     variable names for consistent naming.
193 :    
194 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
195 :    
196 :     * man/TextRepository.Rd: Fixed bug in documentation.
197 :    
198 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
199 :    
200 :     * DESCRIPTION: Update to version 0.1-1.
201 :    
202 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
203 :    
204 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
205 :     wordStem.
206 :    
207 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
208 :    
209 :     * R/: Changes due to Kurt's review.
210 :    
211 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
212 :    
213 :     * R/: Implemented improvements based upon comments by David
214 :     Meyer.
215 :    
216 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
217 :    
218 :     * inst/doc/: Rewrote vignette.
219 :    
220 :     * man/: Improved documentation.
221 :    
222 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
223 :    
224 :     * man/: Updated documentation.
225 :    
226 :     * DESCRIPTION: Changed package name to "tm". Updated version to
227 :     0.1 for first CRAN release.
228 :    
229 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
230 :     list archive example.
231 :    
232 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
233 :     archive example.
234 :    
235 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
236 :     from (several mails per box) mbox format to (single mail per file)
237 :     eml format.
238 :    
239 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
240 :    
241 :     * data/crude.rda: Rebuilt.
242 :    
243 :     * data/acq.rda: Rebuilt.
244 :    
245 :     * R/reader.R: Factored out reader and parser methods from
246 :     textdoccol.R.
247 :    
248 :     * R/source.R: Factored out Source methods from aobjects.R and
249 :     textdoccol.R.
250 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
251 :     feeds.
252 :    
253 :     * R/textdoccol.R (DirSource): Added support for recursive
254 :     traversal of directories.
255 :    
256 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
257 :    
258 :     * R/textdoccol.R ([[): Loads the document corpus automatically
259 :     into memory upon access.
260 :     (tm_transform, tm_filter): Removed several checks whether the
261 :     document is already loaded ([[ ensures this now).
262 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
263 :     mailing list archive.
264 :    
265 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
266 :    
267 :     * R/aobjects.R (TextDocument): Is now a virtual class.
268 :     (Source): Is now a virtual class.
269 :    
270 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
271 :    
272 :     * R/textdoccol.R (c): Support for an arbitrary number of document
273 :     collections.
274 :    
275 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
276 :    
277 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
278 :     append_meta and remove_meta.
279 :    
280 :     * R/textdoccol.R: Removed modify_metadata method.
281 :    
282 :     * R/textrepo.R: Removed modify_metadata method.
283 :    
284 :     * R/textdoccol.R (remove_meta): Supports removal of document
285 :     collection metadata and document (= in data frame) metadata.
286 :    
287 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
288 :    
289 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
290 :    
291 :     * data/crude.rda: Rebuilt.
292 :    
293 :     * data/acq.rda: Rebuilt.
294 :    
295 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
296 :    
297 :     * R/textdoccol.R ([): Bug fix for subsetting a document
298 :     collection's data frame.
299 :    
300 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
301 :    
302 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
303 :     to s_filter.
304 :    
305 :     * R/textdoccol.R: Local text documents' metadata can now be copied
306 :     to a document collection's data frame with prescind_meta.
307 :    
308 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
309 :    
310 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
311 :    
312 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
313 :    
314 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
315 :    
316 :     * R/: Various fixes in handling metadata.
317 :    
318 :     * R/: Added update mechanism for text document collections.
319 :    
320 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
321 :    
322 :     * R/: Merging of document collections now creates a binary tree
323 :     for reconstructing merged document collections.
324 :    
325 :     * R/: Redesign of metadata for document collections.
326 :    
327 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
328 :    
329 :     * R/: Messages now use \code{ngettext}.
330 :    
331 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
332 :    
333 :     * R/: Added functions for modifying and removing metadata.
334 :    
335 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
336 :    
337 :     * man/: Updated some documentation.
338 :    
339 :     * R/: Corrected some connection issues.
340 :    
341 :     * inst/doc: Worked on the vignette.
342 :    
343 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
344 :    
345 : feinerer 66 * inst/: Added texts and started vignette.
346 :    
347 : feinerer 65 * R/: Final changes based upon David's comments.
348 :    
349 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
350 :    
351 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
352 :     directives!).
353 :    
354 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
355 :    
356 :     * R/: Modified the TextDocCol constructur and various parsers. It
357 :     is now modular and supports various file formats via plugins (see
358 :     the new "Source" class).
359 :    
360 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
361 :    
362 :     * man/: Revised documentation after previous code changes.
363 :    
364 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
365 :    
366 :     * R/: Remaining changes as discussed with David.
367 :    
368 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
369 :    
370 :     * R/: Some changes as suggested by David. The rest will follow
371 :     within the next days.
372 :    
373 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
374 :    
375 :     * man/: Finished documentation.
376 :    
377 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
378 :    
379 :     * man/: Wrote some documentation.
380 :    
381 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
382 :    
383 :     * R/: Further syntactic sugar in form of additional assignment and
384 :     accessor methods.
385 :    
386 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
387 :    
388 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
389 : feinerer 56 operators.
390 : feinerer 54
391 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
392 :    
393 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
394 :     and dissimilarities.
395 :    
396 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
397 :    
398 :     * R/: Added similarity functions.
399 :    
400 :     * data/: Added english stopwords.
401 :    
402 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
403 :    
404 : feinerer 51 * data/: Examples compiled for new features
405 :    
406 :     * R/: Changes due to new structure.
407 :    
408 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
409 :    
410 :     * R/termdocmatrix.R: Adapted for new naming scheme.
411 :    
412 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
413 :    
414 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
415 :     several transform and filter functions operating on text document
416 :     collections (alias text document databases).
417 :    
418 :     * R/aobjects.R: Adapted class structure with inheritance,
419 :     repositories and additional meta data. Loading files on demand is
420 :     now possible.
421 :    
422 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
423 :    
424 :     * R/: Some cosmetic cleanups.
425 :    
426 :     * inst/: Removed vignette on clustering. That and much more is now
427 :     described in the JSS paper on text mining. Based upon that
428 :     article an elaborated vignette will be incorporated in the future.
429 :    
430 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
431 :    
432 :     * R/: Updated generic S4 methods to comply with signature changes
433 :     in newer versions of R (> 2.3)
434 :    
435 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
436 :    
437 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
438 :    
439 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
440 :    
441 :     * R/textdoccol.R: Added RIS HTML input format.
442 :    
443 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
444 :    
445 :     * R/textdoccol.R: Removed bug that caused invalid text document
446 :     collections when handling many input files.
447 :    
448 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
449 :    
450 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
451 :     mechanism.
452 :    
453 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
454 :     ReutNews.rda
455 :    
456 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
457 :    
458 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
459 :    
460 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
461 :    
462 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
463 :     clustering facilities of this package.
464 :    
465 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
466 :    
467 :     * R/aobjects.R: Changed package document structure to avoid class
468 :     dependency problems.
469 :    
470 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
471 :    
472 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
473 :     data set.
474 :    
475 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
476 :     CMD check textmin" works without errors.
477 :    
478 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
479 :    
480 :     * src/: Various splits can now be easily created for the
481 :     Reuters21578 data set.
482 :    
483 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
484 :    
485 :     * Updated documentation
486 :    
487 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
488 :    
489 :     * Wrote R documentation for some classes and methods.
490 :    
491 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
492 :    
493 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
494 :     files. See the questionnaire data/Umfrage.csv for such an example.
495 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
496 : feinerer 22
497 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
498 :     matrix is now possible.
499 :    
500 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
501 :    
502 :     * R/textdoccol.R: One can build term-document matrices if
503 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
504 :     document collection with it.
505 :    
506 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
507 :    
508 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
509 :    
510 :     * R/textdoccol.R: We now can read in a whole XML file with several
511 :     news items.
512 :    
513 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
514 :    
515 :     * R/textdoccol.R: Set up an S4 class for a collection of text
516 :     documents. A first attempt to read in XML input (like the RCV1
517 :     set) was made.
518 :    
519 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
520 :     some accessor functions.
521 :    
522 :     * data/newsitem.xml: Added this XML file for testing purposes. It
523 :     contains a single news item from the Reuters Corpus Volume 1
524 :     (RCV1) XML set.
525 :    
526 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
527 :    
528 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
529 :     textmatrix as k-means clustering provided by R (kmeans) now works on
530 :     this textmatrix. The result is a k-means text clustering with a
531 :     similarity measure based upon word frequences.
532 :    
533 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
534 :    
535 :     * R/textmatrix.R: Adapted the preprocessing code from the R
536 :     package "lsa" written by Fridolin Wild to build a document text matrix.
537 :    
538 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
539 :    
540 :     * Set up the R Text Mining Package infrastructure.

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