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Annotation of /trunk/tm/ChangeLog

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Revision 758 - (view) (download)

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

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