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Revision 1046 - (view) (download)

1 : feinerer 1046 2010-02-25 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * R/score.R (tm_tag_score): Compute a score from the number of
4 :     tags matching in a document.
5 :    
6 : feinerer 1041 2010-02-18 Ingo Feinerer <feinerer@logic.at>
7 :    
8 :     * R/complete.R (stemCompletion): New completion heuristics.
9 :    
10 :     2010-02-17 Ingo Feinerer <feinerer@logic.at>
11 :    
12 :     * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
13 :    
14 : feinerer 1040 2010-02-06 Ingo Feinerer <feinerer@logic.at>
15 :    
16 :     * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
17 :     setOldClass(c(..., "list")) works.
18 :    
19 : feinerer 1039 2010-01-22 Ingo Feinerer <feinerer@logic.at>
20 :    
21 :     * R/transform.R (stemDocument.character): In case input is a
22 :     simple character just delegate to the default Snowball stemmer.
23 :    
24 : feinerer 1038 2010-01-15 Ingo Feinerer <feinerer@logic.at>
25 :    
26 :     * R/reader.R (readReut21578XML, readRCV1): Extract more meta
27 :     data.
28 :    
29 : feinerer 1034 2010-01-12 Ingo Feinerer <feinerer@logic.at>
30 :    
31 :     * R/doc.R (`Content<-`): Be careful with names attribute.
32 :    
33 : stefan7th 1032 2010-01-07 Stefan Theussl <stefan.theussl@wu.ac.at>
34 :    
35 :     * R/source.R (DirSource): Improved implementation especially when
36 : feinerer 1042 handling many (> 1M) files.
37 : stefan7th 1032
38 : feinerer 1029 2009-12-22 Ingo Feinerer <feinerer@logic.at>
39 :    
40 :     * R/source.R (getElem.URISource): Use encoding argument.
41 :    
42 : feinerer 1025 2009-12-11 Ingo Feinerer <feinerer@logic.at>
43 :    
44 :     * R/doc.R (setOldClass): Register S3 document classes to be
45 :     recognized by S4 methods.
46 :    
47 : feinerer 1023 2009-11-25 Ingo Feinerer <feinerer@logic.at>
48 :    
49 :     * R/matrix.R (termFreq): Add option to remove punctuation
50 :     characters.
51 :    
52 : feinerer 1022 2009-11-19 Ingo Feinerer <feinerer@logic.at>
53 :    
54 :     * R/matrix.R (c.TermDocumentMatrix): Added combine method for
55 :     merging multiple term-document matrices.
56 :    
57 : feinerer 1020 2009-11-17 Ingo Feinerer <feinerer@logic.at>
58 :    
59 : feinerer 1021 * R/corpus.R (setOldClass): Register S3 corpus classes to be
60 :     recognized by S4 methods.
61 :    
62 : feinerer 1020 * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
63 :     that CRAN Mac OS X builds do not fail any longer.
64 :    
65 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
66 :    
67 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
68 :     of RWeka:AlphabeticTokenizer() as default.
69 :    
70 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
71 :    
72 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
73 :     caused words at the beginning or the end of a line not to be removed. Do
74 :     not delete whitespace anymore.
75 :    
76 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
77 :    
78 :     * R/source.R (DirSource): Default to working directory if no path
79 :     is specified.
80 :    
81 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
82 :    
83 :     * R/source.R (DirSource): Stop on empty directories.
84 :    
85 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
86 :    
87 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
88 :     named documents.
89 :    
90 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
91 :    
92 :     * R/transform.R (removeWords): Improve regular expressions.
93 :    
94 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
95 :    
96 :     * R/meta.R (DublinCore): Allow lower case tags.
97 :    
98 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
99 :    
100 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
101 :     instead of x$children.
102 :    
103 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
104 :    
105 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
106 :    
107 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
108 :    
109 :     * R/: Use S3 instead of S4 class system.
110 :    
111 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
112 :    
113 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
114 :    
115 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
116 :    
117 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
118 :     postings are basically e-mails with some extra headers.
119 :    
120 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
121 :    
122 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
123 :     removeMultipart, and removeSignature to the tm.plugin.mail package
124 :     since they are mainly utility functions (for handling e-mails) and
125 :     not very framework specific.
126 : feinerer 972
127 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
128 :    
129 :     * man/: Fix documentation.
130 :    
131 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
132 :    
133 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
134 :     plain text document instead of an XML document for texts of the
135 :     Reuters-21578 dataset.
136 :    
137 :     * R/sparse.R: Removed since the slam package is now available on
138 :     CRAN.
139 :    
140 :     * DESCRIPTION (Depends): Add slam package.
141 :    
142 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
143 :    
144 :     * R/transform.R (stemDoc): Fix character(0) handling.
145 :    
146 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
147 :    
148 :     * R/doc.R (show): Pretty print.
149 :    
150 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
151 :    
152 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
153 :     gracefully.
154 :    
155 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
156 :    
157 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
158 :     and permanent storage semantics.
159 :    
160 :     * DESCRIPTION: New major release. A *lot* of improvements.
161 :    
162 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
163 :    
164 :     * NAMESPACE: Export some simple_triplet_matrix functions.
165 :    
166 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
167 :    
168 :     * R/weight.R: Adapt tf-idf to new matrix format.
169 :    
170 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
171 :    
172 :     * R/matrix.R: Create two distinct classes for term-document and
173 :     document-term matrices.
174 :    
175 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
176 :    
177 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
178 :     package start-up time significantly.
179 : feinerer 938
180 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
181 :    
182 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
183 :    
184 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
185 :    
186 :     * R/transform.R (tmReduce): Combine multiple maps into one
187 :     transformation.
188 :    
189 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
190 :    
191 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
192 :     dgCMatrix.
193 :    
194 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
195 :     or TermDocumentMatrix instead.
196 : feinerer 923
197 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
198 :    
199 :     * inst/doc/extensions.Rnw: Finished vignette.
200 :    
201 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
202 :    
203 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
204 :     DocumentTermMatrix representations.
205 :    
206 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
207 :    
208 :     * R/reader.R (readXML): New reader for arbitrary XML files.
209 :    
210 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
211 :    
212 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
213 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
214 :     (Source): New slot Vectorized.
215 : feinerer 910
216 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
217 :    
218 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
219 :     structures which can be customized via user-defined mappings.
220 : feinerer 908
221 : feinerer 905 * R/reader.R: Always use UTC time zone.
222 :    
223 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
224 :    
225 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
226 :    
227 :     * R/reader.R (readDOC): Options can be passed over to antiword.
228 :    
229 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
230 :     pdftotext.
231 :    
232 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
233 :    
234 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
235 :     which are internally passed over to list.files().
236 :    
237 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
238 :    
239 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
240 :    
241 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
242 :    
243 :     * DESCRIPTION: Speed up package loading (via moving packages not
244 :     strictly necessary for normal operation to Suggests instead of
245 :     Depends).
246 :    
247 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
248 :    
249 :     * R/reader.R (readNewsgroup): The date format is now configurable.
250 :    
251 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
252 :    
253 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
254 :    
255 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
256 :    
257 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
258 :    
259 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
260 :    
261 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
262 :    
263 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
264 :    
265 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
266 :    
267 :     * R/source.R (URISource): New source class for a single document.
268 :    
269 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
270 :    
271 :     * R/source.R: Refactoring.
272 :    
273 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
274 :    
275 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
276 :     Rmpi installations more gracefully.
277 :    
278 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
279 :    
280 :     * R/source.R (Source): Add Length slot.
281 :    
282 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
283 :    
284 :     * R/AAA.R: Unify duplicated .onLoad function.
285 :    
286 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
287 :    
288 :     * DESCRIPTION (Suggests): Added Rmpi.
289 :    
290 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
291 :    
292 :     * R/source.R (getElem): Fix 'no visible binding' warning.
293 :    
294 :     * man/WeightFunction.Rd: Fix signature.
295 :    
296 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
297 :    
298 :     * R/weight.R: Introduce name abbreviations for weighting functions.
299 :    
300 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
301 :    
302 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
303 :    
304 :     * R/cluster.R: Provide convenience functions for using a MPI
305 :     cluster.
306 :    
307 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
308 :     available.
309 :    
310 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
311 :     available.
312 :    
313 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
314 :    
315 :     * R/textdoccol.R (lapply): Removed debug print out.
316 :    
317 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
318 :    
319 :     * R/reader.R (readRCV1): Improved meta data extraction from
320 :     Reuters Corpus Volume 1 documents.
321 :    
322 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
323 :    
324 :     * R/transform.R: Ensure that all mappings preserve multiline
325 :     structures.
326 :    
327 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
328 :    
329 :     * R/filter.R: Every filter has now an attribute indicating whether
330 :     it sould be applied to document level (doclevel).
331 :    
332 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
333 :     filter.
334 :    
335 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
336 :    
337 :     * R/transform.R (replacePatterns): Replaced removeWords by
338 :     replacePatterns. Suggested by Christian Buchta.
339 :    
340 :     * R/textdoccol.R (inspect): Improved formatting.
341 :    
342 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
343 :    
344 :     * inst/CITATION: Updated JSS article information.
345 :    
346 :     * R/textdoccol.R (setAs): Added coerce method from list to
347 :     corpus.
348 :    
349 :     * R/meta.R (meta): Improved meta data handling.
350 :    
351 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
352 :    
353 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
354 :     Christian Buchta.
355 :    
356 :     * inst/CITATION: Added template to include JSS article reference.
357 :    
358 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
359 :    
360 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
361 :    
362 : feinerer 832 * R/source.R: Added VectorSource.
363 :    
364 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
365 :    
366 :     * man/: Language codes should be in ISO 639-1 format.
367 :    
368 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
369 :    
370 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
371 :    
372 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
373 :     containing plain text documents to disk.
374 :    
375 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
376 :    
377 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
378 :     always set correctly.
379 :    
380 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
381 :     since in most cases this is the wanted behaviour.
382 :    
383 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
384 :    
385 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
386 :    
387 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
388 :    
389 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
390 :    
391 :     * R/meta.R (meta): New function for consistent access to meta data
392 :     of document collections, repositories, and texts.
393 :    
394 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
395 :    
396 :     * R/: Better support for encodings.
397 :    
398 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
399 :    
400 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
401 :     selection when no reader argument is given.
402 :    
403 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
404 :    
405 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
406 :     internally.
407 :    
408 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
409 :    
410 :     * R/reader.R (getReaders): Returns available reader functions.
411 :    
412 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
413 :     as default.
414 :    
415 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
416 :    
417 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
418 :     variable warnings.
419 :    
420 :     * man/: Documentation for showMeta, added an example for tmMap.
421 :    
422 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
423 :     some minor typos fixed.
424 :    
425 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
426 :    
427 :     * R/aobjects.R (showMeta): Added method for pretty printing a
428 :     text document's meta data.
429 :    
430 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
431 :    
432 :     * R/textdoccol.R (TextDocCol): Better handling of empty
433 :     arguments.
434 :    
435 :     * NAMESPACE: Exported readDOC.
436 :    
437 : feinerer 800 * man/completeStems.Rd: Added an example.
438 :    
439 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
440 : feinerer 796
441 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
442 :     call. Allows users to modify stopword .dat files interactively.
443 :    
444 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
445 :    
446 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
447 :     documents.
448 :    
449 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
450 :    
451 :     * man/: Updated documentation.
452 :    
453 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
454 :    
455 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
456 :     stems.
457 :    
458 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
459 :     constructor.
460 :    
461 :     * NAMESPACE: Exported termFreq.
462 :    
463 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
464 :    
465 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
466 :    
467 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
468 :    
469 :     * R/weight.R: Weighting functions for TermDocMatrix.
470 :    
471 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
472 :    
473 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
474 :     functions for accessing dimension, column, and row names.
475 :    
476 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
477 :    
478 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
479 :    
480 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
481 :    
482 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
483 :    
484 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
485 :    
486 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
487 :    
488 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
489 :     pdfinfo. The system call gives a warning anyway.
490 :    
491 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
492 :    
493 :     * R/textdoccol.R (asPlain): Conversion from
494 :     StructuredTextDocuments to PlainTextDocuments.
495 :    
496 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
497 :    
498 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
499 :     for accessing term-document matrices.
500 :    
501 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
502 :     are installed.
503 :    
504 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
505 :    
506 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
507 :     Christian Buchta.
508 :    
509 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
510 :    
511 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
512 :    
513 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
514 :    
515 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
516 :    
517 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
518 :    
519 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
520 :    
521 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
522 :    
523 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
524 :    
525 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
526 :    
527 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
528 :    
529 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
530 :    
531 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
532 :     package cba by new dist call from package proxy.
533 :    
534 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
535 :    
536 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
537 :    
538 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
539 :    
540 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
541 :     loading messages.
542 :    
543 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
544 :    
545 :     * R/dictionary.R: Added dictionary support.
546 :    
547 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
548 :    
549 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
550 :     documents. This simplifies some functions, e.g., asPlain.
551 :    
552 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
553 :    
554 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
555 :    
556 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
557 :    
558 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
559 :     words by a single word. Useful for synonyms.
560 :    
561 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
562 :    
563 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
564 :    
565 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
566 :    
567 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
568 :     vectors. Thanks to Ariel Maguyon for his error report.
569 :     (removeSparseTerms): New function to remove columns from a
570 :     term-document matrix exceeding a sparse factor.
571 :    
572 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
573 :    
574 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
575 :    
576 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
577 :    
578 :     * man/sFilter.Rd: Corrected documentation on statement format (use
579 :     '==' instead of '=').
580 :    
581 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
582 :    
583 :     * R/aobjects.R (StructuredTextDocument): Inherits from
584 :     TextDocument.
585 :    
586 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
587 :    
588 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
589 :     on sparse matrices as proposed by Martin Maechler.
590 :    
591 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
592 :    
593 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
594 :     \pkg{filehash} version makes them deprecated.
595 :    
596 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
597 :    
598 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
599 :     erasing stopwords.
600 :     (weightMatrix): Adapted to handle sparse matrices.
601 :     (TermDocMatrix): Sparse matrix is now efficiently built by
602 :     direct stepwise insertion of row values into it.
603 :    
604 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
605 :    
606 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
607 :     due to ongoing problems. For our purposes the latter is as useful
608 :     as the replaced package.
609 :    
610 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
611 :    
612 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
613 :    
614 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
615 :    
616 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
617 :    
618 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
619 :     languages with available stopwords.
620 :    
621 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
622 :    
623 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
624 :    
625 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
626 :    
627 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
628 :     have been integrated.
629 : feinerer 731
630 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
631 :     for various other languages.
632 :    
633 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
634 :    
635 : feinerer 730 * man/: Updated documentation.
636 :    
637 : feinerer 729 * Work/testDb.R: Script to test database stuff.
638 :    
639 :     * R/: Fixed various database related bugs. Seems to be rather
640 :     useable now, i.e., consider as alpha status for now.
641 :    
642 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
643 :    
644 :     * R/: Fixed some bugs related to database support.
645 :    
646 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
647 :    
648 :     * man/: Added a lot of examples to the manuals.
649 :    
650 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
651 :    
652 :     * man/: Updated parts of the documentation.
653 :    
654 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
655 :     documents to plain text documents.
656 :    
657 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
658 :    
659 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
660 :     intensively tested.
661 :    
662 : feinerer 723 * R/source.R: Now each source has a default reader.
663 :    
664 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
665 :     class anymore.
666 :    
667 :     * R/plaintextdoc.R: Custom show method for plain text documents.
668 :    
669 :     * R/aobjects.R: Added a class for structured text documents.
670 :    
671 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
672 :     \code{reader}.
673 :    
674 :     * R/textdoccol.R (summary): Indent tags.
675 :    
676 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
677 : feinerer 722 punctuation marks.
678 :    
679 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
680 :    
681 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
682 :     using prescindMeta().
683 :    
684 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
685 :    
686 :     * R/textdoccol.R: Improved database support.
687 :    
688 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
689 :    
690 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
691 :    
692 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
693 :     language code.
694 :    
695 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
696 :     into parserControl argument.
697 :    
698 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
699 :    
700 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
701 :    
702 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
703 :     created on the fly.
704 :    
705 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
706 :     a given language (English, German and French at the moment)
707 :    
708 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
709 :     otherwise falls back to Snowball package.
710 :    
711 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
712 :    
713 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
714 :     by "dists" from package "cba" can be used.
715 :    
716 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
717 :    
718 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
719 :     to Kurt's latex suggestion. Removed points and underscores in
720 :     variable names for consistent naming.
721 :    
722 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
723 :    
724 :     * man/TextRepository.Rd: Fixed bug in documentation.
725 :    
726 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
727 :    
728 :     * DESCRIPTION: Update to version 0.1-1.
729 :    
730 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
731 :    
732 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
733 :     wordStem.
734 :    
735 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
736 :    
737 :     * R/: Changes due to Kurt's review.
738 :    
739 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
740 :    
741 :     * R/: Implemented improvements based upon comments by David
742 :     Meyer.
743 :    
744 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
745 :    
746 :     * inst/doc/: Rewrote vignette.
747 :    
748 :     * man/: Improved documentation.
749 :    
750 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
751 :    
752 :     * man/: Updated documentation.
753 :    
754 :     * DESCRIPTION: Changed package name to "tm". Updated version to
755 :     0.1 for first CRAN release.
756 :    
757 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
758 :     list archive example.
759 :    
760 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
761 :     archive example.
762 :    
763 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
764 :     from (several mails per box) mbox format to (single mail per file)
765 :     eml format.
766 :    
767 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
768 :    
769 :     * data/crude.rda: Rebuilt.
770 :    
771 :     * data/acq.rda: Rebuilt.
772 :    
773 :     * R/reader.R: Factored out reader and parser methods from
774 :     textdoccol.R.
775 :    
776 :     * R/source.R: Factored out Source methods from aobjects.R and
777 :     textdoccol.R.
778 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
779 :     feeds.
780 :    
781 :     * R/textdoccol.R (DirSource): Added support for recursive
782 :     traversal of directories.
783 :    
784 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
785 :    
786 :     * R/textdoccol.R ([[): Loads the document corpus automatically
787 :     into memory upon access.
788 :     (tm_transform, tm_filter): Removed several checks whether the
789 :     document is already loaded ([[ ensures this now).
790 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
791 :     mailing list archive.
792 :    
793 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
794 :    
795 :     * R/aobjects.R (TextDocument): Is now a virtual class.
796 :     (Source): Is now a virtual class.
797 :    
798 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
799 :    
800 :     * R/textdoccol.R (c): Support for an arbitrary number of document
801 :     collections.
802 :    
803 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
804 :    
805 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
806 :     append_meta and remove_meta.
807 :    
808 :     * R/textdoccol.R: Removed modify_metadata method.
809 :    
810 :     * R/textrepo.R: Removed modify_metadata method.
811 :    
812 :     * R/textdoccol.R (remove_meta): Supports removal of document
813 :     collection metadata and document (= in data frame) metadata.
814 :    
815 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
816 :    
817 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
818 :    
819 :     * data/crude.rda: Rebuilt.
820 :    
821 :     * data/acq.rda: Rebuilt.
822 :    
823 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
824 :    
825 :     * R/textdoccol.R ([): Bug fix for subsetting a document
826 :     collection's data frame.
827 :    
828 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
829 :    
830 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
831 :     to s_filter.
832 :    
833 :     * R/textdoccol.R: Local text documents' metadata can now be copied
834 :     to a document collection's data frame with prescind_meta.
835 :    
836 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
837 :    
838 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
839 :    
840 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
841 :    
842 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
843 :    
844 :     * R/: Various fixes in handling metadata.
845 :    
846 :     * R/: Added update mechanism for text document collections.
847 :    
848 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
849 :    
850 :     * R/: Merging of document collections now creates a binary tree
851 :     for reconstructing merged document collections.
852 :    
853 :     * R/: Redesign of metadata for document collections.
854 :    
855 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
856 :    
857 :     * R/: Messages now use \code{ngettext}.
858 :    
859 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
860 :    
861 :     * R/: Added functions for modifying and removing metadata.
862 :    
863 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
864 :    
865 :     * man/: Updated some documentation.
866 :    
867 :     * R/: Corrected some connection issues.
868 :    
869 :     * inst/doc: Worked on the vignette.
870 :    
871 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
872 :    
873 : feinerer 66 * inst/: Added texts and started vignette.
874 :    
875 : feinerer 65 * R/: Final changes based upon David's comments.
876 :    
877 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
878 :    
879 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
880 :     directives!).
881 :    
882 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
883 :    
884 :     * R/: Modified the TextDocCol constructur and various parsers. It
885 :     is now modular and supports various file formats via plugins (see
886 :     the new "Source" class).
887 :    
888 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
889 :    
890 :     * man/: Revised documentation after previous code changes.
891 :    
892 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
893 :    
894 :     * R/: Remaining changes as discussed with David.
895 :    
896 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
897 :    
898 :     * R/: Some changes as suggested by David. The rest will follow
899 :     within the next days.
900 :    
901 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
902 :    
903 :     * man/: Finished documentation.
904 :    
905 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
906 :    
907 :     * man/: Wrote some documentation.
908 :    
909 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
910 :    
911 :     * R/: Further syntactic sugar in form of additional assignment and
912 :     accessor methods.
913 :    
914 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
915 :    
916 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
917 : feinerer 56 operators.
918 : feinerer 54
919 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
920 :    
921 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
922 :     and dissimilarities.
923 :    
924 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
925 :    
926 :     * R/: Added similarity functions.
927 :    
928 :     * data/: Added english stopwords.
929 :    
930 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
931 :    
932 : feinerer 51 * data/: Examples compiled for new features
933 :    
934 :     * R/: Changes due to new structure.
935 :    
936 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
937 :    
938 :     * R/termdocmatrix.R: Adapted for new naming scheme.
939 :    
940 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
941 :    
942 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
943 :     several transform and filter functions operating on text document
944 :     collections (alias text document databases).
945 :    
946 :     * R/aobjects.R: Adapted class structure with inheritance,
947 :     repositories and additional meta data. Loading files on demand is
948 :     now possible.
949 :    
950 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
951 :    
952 :     * R/: Some cosmetic cleanups.
953 :    
954 :     * inst/: Removed vignette on clustering. That and much more is now
955 :     described in the JSS paper on text mining. Based upon that
956 :     article an elaborated vignette will be incorporated in the future.
957 :    
958 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
959 :    
960 :     * R/: Updated generic S4 methods to comply with signature changes
961 :     in newer versions of R (> 2.3)
962 :    
963 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
964 :    
965 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
966 :    
967 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
968 :    
969 :     * R/textdoccol.R: Added RIS HTML input format.
970 :    
971 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
972 :    
973 :     * R/textdoccol.R: Removed bug that caused invalid text document
974 :     collections when handling many input files.
975 :    
976 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
977 :    
978 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
979 :     mechanism.
980 :    
981 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
982 :     ReutNews.rda
983 :    
984 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
985 :    
986 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
987 :    
988 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
989 :    
990 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
991 :     clustering facilities of this package.
992 :    
993 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
994 :    
995 :     * R/aobjects.R: Changed package document structure to avoid class
996 :     dependency problems.
997 :    
998 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
999 :    
1000 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
1001 : feinerer 29 data set.
1002 :    
1003 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
1004 : feinerer 28 CMD check textmin" works without errors.
1005 :    
1006 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
1007 :    
1008 :     * src/: Various splits can now be easily created for the
1009 :     Reuters21578 data set.
1010 :    
1011 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1012 :    
1013 : feinerer 799 * Updated documentation
1014 : feinerer 26
1015 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
1016 :    
1017 : feinerer 799 * Wrote R documentation for some classes and methods.
1018 : feinerer 25
1019 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1020 :    
1021 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
1022 :     files. See the questionnaire data/Umfrage.csv for such an example.
1023 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
1024 : feinerer 22
1025 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
1026 : feinerer 21 matrix is now possible.
1027 :    
1028 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1029 :    
1030 :     * R/textdoccol.R: One can build term-document matrices if
1031 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
1032 :     document collection with it.
1033 :    
1034 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
1035 :    
1036 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1037 :    
1038 :     * R/textdoccol.R: We now can read in a whole XML file with several
1039 :     news items.
1040 :    
1041 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1042 :    
1043 :     * R/textdoccol.R: Set up an S4 class for a collection of text
1044 :     documents. A first attempt to read in XML input (like the RCV1
1045 :     set) was made.
1046 :    
1047 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
1048 :     some accessor functions.
1049 :    
1050 :     * data/newsitem.xml: Added this XML file for testing purposes. It
1051 :     contains a single news item from the Reuters Corpus Volume 1
1052 :     (RCV1) XML set.
1053 :    
1054 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1055 :    
1056 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
1057 :     textmatrix as k-means clustering provided by R (kmeans) now works on
1058 :     this textmatrix. The result is a k-means text clustering with a
1059 :     similarity measure based upon word frequences.
1060 :    
1061 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1062 :    
1063 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1064 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1065 :    
1066 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1067 :    
1068 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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