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1 : feinerer 1117 2011-02-04 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * R/source.R: Store strings and connections instead of unevaluated
4 :     calls.
5 :    
6 : feinerer 1114 2010-11-26 Ingo Feinerer <feinerer@logic.at>
7 :    
8 :     * R/corpus.R (Corpus): Allow init and exit hooks for readers.
9 :    
10 : feinerer 1108 2010-10-22 Ingo Feinerer <feinerer@logic.at>
11 :    
12 :     * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
13 :     (instead of a list element).
14 :    
15 : feinerer 1102 2010-10-16 Ingo Feinerer <feinerer@logic.at>
16 :    
17 :     * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
18 : feinerer 1108 documents by names (fallback to IDs if names are not set).
19 : feinerer 1102
20 : feinerer 1095 2010-08-25 Ingo Feinerer <feinerer@logic.at>
21 :    
22 :     * R/corpus.R (c.Corpus): When concatenating corpora, the argument
23 :     \code{recursive} now determines whether existing corpus meta data
24 :     is used.
25 :    
26 : feinerer 1084 2010-08-06 Ingo Feinerer <feinerer@logic.at>
27 :    
28 :     * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
29 :    
30 : feinerer 1080 2010-06-17 Ingo Feinerer <feinerer@logic.at>
31 :    
32 :     * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
33 :     remove terms not occurring in the corpus anymore.
34 :    
35 : feinerer 1075 2010-06-02 Ingo Feinerer <feinerer@logic.at>
36 :    
37 :     * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
38 :     and Heaps' law.
39 :    
40 : feinerer 1070 2010-05-18 Ingo Feinerer <feinerer@logic.at>
41 :    
42 :     * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
43 :     provided by a source.
44 :    
45 : feinerer 1063 2010-04-09 Ingo Feinerer <feinerer@logic.at>
46 :    
47 :     * R/source.R (.Source): Provide document names.
48 :    
49 : feinerer 1062 2010-04-07 Ingo Feinerer <feinerer@logic.at>
50 :    
51 :     * R/meta.R (`content_or_meta`): Utility function.
52 :    
53 : feinerer 1061 2010-03-19 Ingo Feinerer <feinerer@logic.at>
54 :    
55 :     * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
56 :     TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
57 :    
58 : feinerer 1048 2010-03-03 Ingo Feinerer <feinerer@logic.at>
59 :    
60 : feinerer 1051 * R/weight.R (weightTfIdf): Added normalization option.
61 :    
62 : feinerer 1048 * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
63 :     analysis.
64 :    
65 : feinerer 1046 2010-02-25 Ingo Feinerer <feinerer@logic.at>
66 :    
67 :     * R/score.R (tm_tag_score): Compute a score from the number of
68 :     tags matching in a document.
69 :    
70 : feinerer 1041 2010-02-18 Ingo Feinerer <feinerer@logic.at>
71 :    
72 :     * R/complete.R (stemCompletion): New completion heuristics.
73 :    
74 :     2010-02-17 Ingo Feinerer <feinerer@logic.at>
75 :    
76 :     * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
77 :    
78 : feinerer 1040 2010-02-06 Ingo Feinerer <feinerer@logic.at>
79 :    
80 :     * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
81 :     setOldClass(c(..., "list")) works.
82 :    
83 : feinerer 1039 2010-01-22 Ingo Feinerer <feinerer@logic.at>
84 :    
85 :     * R/transform.R (stemDocument.character): In case input is a
86 :     simple character just delegate to the default Snowball stemmer.
87 :    
88 : feinerer 1038 2010-01-15 Ingo Feinerer <feinerer@logic.at>
89 :    
90 :     * R/reader.R (readReut21578XML, readRCV1): Extract more meta
91 :     data.
92 :    
93 : feinerer 1034 2010-01-12 Ingo Feinerer <feinerer@logic.at>
94 :    
95 :     * R/doc.R (`Content<-`): Be careful with names attribute.
96 :    
97 : stefan7th 1032 2010-01-07 Stefan Theussl <stefan.theussl@wu.ac.at>
98 :    
99 :     * R/source.R (DirSource): Improved implementation especially when
100 : feinerer 1042 handling many (> 1M) files.
101 : stefan7th 1032
102 : feinerer 1029 2009-12-22 Ingo Feinerer <feinerer@logic.at>
103 :    
104 :     * R/source.R (getElem.URISource): Use encoding argument.
105 :    
106 : feinerer 1025 2009-12-11 Ingo Feinerer <feinerer@logic.at>
107 :    
108 :     * R/doc.R (setOldClass): Register S3 document classes to be
109 :     recognized by S4 methods.
110 :    
111 : feinerer 1023 2009-11-25 Ingo Feinerer <feinerer@logic.at>
112 :    
113 :     * R/matrix.R (termFreq): Add option to remove punctuation
114 :     characters.
115 :    
116 : feinerer 1022 2009-11-19 Ingo Feinerer <feinerer@logic.at>
117 :    
118 :     * R/matrix.R (c.TermDocumentMatrix): Added combine method for
119 :     merging multiple term-document matrices.
120 :    
121 : feinerer 1020 2009-11-17 Ingo Feinerer <feinerer@logic.at>
122 :    
123 : feinerer 1021 * R/corpus.R (setOldClass): Register S3 corpus classes to be
124 :     recognized by S4 methods.
125 :    
126 : feinerer 1020 * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
127 :     that CRAN Mac OS X builds do not fail any longer.
128 :    
129 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
130 :    
131 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
132 :     of RWeka:AlphabeticTokenizer() as default.
133 :    
134 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
135 :    
136 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
137 :     caused words at the beginning or the end of a line not to be removed. Do
138 :     not delete whitespace anymore.
139 :    
140 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
141 :    
142 :     * R/source.R (DirSource): Default to working directory if no path
143 :     is specified.
144 :    
145 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
146 :    
147 :     * R/source.R (DirSource): Stop on empty directories.
148 :    
149 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
150 :    
151 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
152 :     named documents.
153 :    
154 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
155 :    
156 :     * R/transform.R (removeWords): Improve regular expressions.
157 :    
158 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
159 :    
160 :     * R/meta.R (DublinCore): Allow lower case tags.
161 :    
162 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
163 :    
164 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
165 :     instead of x$children.
166 :    
167 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
168 :    
169 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
170 :    
171 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
172 :    
173 :     * R/: Use S3 instead of S4 class system.
174 :    
175 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
176 :    
177 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
178 :    
179 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
180 :    
181 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
182 :     postings are basically e-mails with some extra headers.
183 :    
184 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
185 :    
186 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
187 :     removeMultipart, and removeSignature to the tm.plugin.mail package
188 :     since they are mainly utility functions (for handling e-mails) and
189 :     not very framework specific.
190 : feinerer 972
191 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
192 :    
193 :     * man/: Fix documentation.
194 :    
195 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
196 :    
197 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
198 :     plain text document instead of an XML document for texts of the
199 :     Reuters-21578 dataset.
200 :    
201 :     * R/sparse.R: Removed since the slam package is now available on
202 :     CRAN.
203 :    
204 :     * DESCRIPTION (Depends): Add slam package.
205 :    
206 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
207 :    
208 :     * R/transform.R (stemDoc): Fix character(0) handling.
209 :    
210 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
211 :    
212 :     * R/doc.R (show): Pretty print.
213 :    
214 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
215 :    
216 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
217 :     gracefully.
218 :    
219 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
220 :    
221 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
222 :     and permanent storage semantics.
223 :    
224 :     * DESCRIPTION: New major release. A *lot* of improvements.
225 :    
226 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
227 :    
228 :     * NAMESPACE: Export some simple_triplet_matrix functions.
229 :    
230 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
231 :    
232 :     * R/weight.R: Adapt tf-idf to new matrix format.
233 :    
234 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
235 :    
236 :     * R/matrix.R: Create two distinct classes for term-document and
237 :     document-term matrices.
238 :    
239 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
240 :    
241 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
242 :     package start-up time significantly.
243 : feinerer 938
244 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
245 :    
246 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
247 :    
248 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
249 :    
250 :     * R/transform.R (tmReduce): Combine multiple maps into one
251 :     transformation.
252 :    
253 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
254 :    
255 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
256 :     dgCMatrix.
257 :    
258 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
259 :     or TermDocumentMatrix instead.
260 : feinerer 923
261 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
262 :    
263 :     * inst/doc/extensions.Rnw: Finished vignette.
264 :    
265 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
266 :    
267 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
268 :     DocumentTermMatrix representations.
269 :    
270 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
271 :    
272 :     * R/reader.R (readXML): New reader for arbitrary XML files.
273 :    
274 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
275 :    
276 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
277 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
278 :     (Source): New slot Vectorized.
279 : feinerer 910
280 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
281 :    
282 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
283 :     structures which can be customized via user-defined mappings.
284 : feinerer 908
285 : feinerer 905 * R/reader.R: Always use UTC time zone.
286 :    
287 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
288 :    
289 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
290 :    
291 :     * R/reader.R (readDOC): Options can be passed over to antiword.
292 :    
293 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
294 :     pdftotext.
295 :    
296 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
297 :    
298 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
299 :     which are internally passed over to list.files().
300 :    
301 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
302 :    
303 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
304 :    
305 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
306 :    
307 :     * DESCRIPTION: Speed up package loading (via moving packages not
308 :     strictly necessary for normal operation to Suggests instead of
309 :     Depends).
310 :    
311 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
312 :    
313 :     * R/reader.R (readNewsgroup): The date format is now configurable.
314 :    
315 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
316 :    
317 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
318 :    
319 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
320 :    
321 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
322 :    
323 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
324 :    
325 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
326 :    
327 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
328 :    
329 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
330 :    
331 :     * R/source.R (URISource): New source class for a single document.
332 :    
333 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
334 :    
335 :     * R/source.R: Refactoring.
336 :    
337 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
338 :    
339 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
340 :     Rmpi installations more gracefully.
341 :    
342 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
343 :    
344 :     * R/source.R (Source): Add Length slot.
345 :    
346 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
347 :    
348 :     * R/AAA.R: Unify duplicated .onLoad function.
349 :    
350 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
351 :    
352 :     * DESCRIPTION (Suggests): Added Rmpi.
353 :    
354 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
355 :    
356 :     * R/source.R (getElem): Fix 'no visible binding' warning.
357 :    
358 :     * man/WeightFunction.Rd: Fix signature.
359 :    
360 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
361 :    
362 :     * R/weight.R: Introduce name abbreviations for weighting functions.
363 :    
364 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
365 :    
366 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
367 :    
368 :     * R/cluster.R: Provide convenience functions for using a MPI
369 :     cluster.
370 :    
371 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
372 :     available.
373 :    
374 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
375 :     available.
376 :    
377 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
378 :    
379 :     * R/textdoccol.R (lapply): Removed debug print out.
380 :    
381 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
382 :    
383 :     * R/reader.R (readRCV1): Improved meta data extraction from
384 :     Reuters Corpus Volume 1 documents.
385 :    
386 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
387 :    
388 :     * R/transform.R: Ensure that all mappings preserve multiline
389 :     structures.
390 :    
391 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
392 :    
393 :     * R/filter.R: Every filter has now an attribute indicating whether
394 :     it sould be applied to document level (doclevel).
395 :    
396 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
397 :     filter.
398 :    
399 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
400 :    
401 :     * R/transform.R (replacePatterns): Replaced removeWords by
402 :     replacePatterns. Suggested by Christian Buchta.
403 :    
404 :     * R/textdoccol.R (inspect): Improved formatting.
405 :    
406 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
407 :    
408 :     * inst/CITATION: Updated JSS article information.
409 :    
410 :     * R/textdoccol.R (setAs): Added coerce method from list to
411 :     corpus.
412 :    
413 :     * R/meta.R (meta): Improved meta data handling.
414 :    
415 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
416 :    
417 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
418 :     Christian Buchta.
419 :    
420 :     * inst/CITATION: Added template to include JSS article reference.
421 :    
422 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
423 :    
424 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
425 :    
426 : feinerer 832 * R/source.R: Added VectorSource.
427 :    
428 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
429 :    
430 :     * man/: Language codes should be in ISO 639-1 format.
431 :    
432 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
433 :    
434 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
435 :    
436 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
437 :     containing plain text documents to disk.
438 :    
439 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
440 :    
441 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
442 :     always set correctly.
443 :    
444 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
445 :     since in most cases this is the wanted behaviour.
446 :    
447 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
448 :    
449 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
450 :    
451 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
452 :    
453 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
454 :    
455 :     * R/meta.R (meta): New function for consistent access to meta data
456 :     of document collections, repositories, and texts.
457 :    
458 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
459 :    
460 :     * R/: Better support for encodings.
461 :    
462 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
463 :    
464 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
465 :     selection when no reader argument is given.
466 :    
467 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
468 :    
469 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
470 :     internally.
471 :    
472 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
473 :    
474 :     * R/reader.R (getReaders): Returns available reader functions.
475 :    
476 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
477 :     as default.
478 :    
479 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
480 :    
481 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
482 :     variable warnings.
483 :    
484 :     * man/: Documentation for showMeta, added an example for tmMap.
485 :    
486 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
487 :     some minor typos fixed.
488 :    
489 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
490 :    
491 :     * R/aobjects.R (showMeta): Added method for pretty printing a
492 :     text document's meta data.
493 :    
494 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
495 :    
496 :     * R/textdoccol.R (TextDocCol): Better handling of empty
497 :     arguments.
498 :    
499 :     * NAMESPACE: Exported readDOC.
500 :    
501 : feinerer 800 * man/completeStems.Rd: Added an example.
502 :    
503 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
504 : feinerer 796
505 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
506 :     call. Allows users to modify stopword .dat files interactively.
507 :    
508 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
509 :    
510 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
511 :     documents.
512 :    
513 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
514 :    
515 :     * man/: Updated documentation.
516 :    
517 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
518 :    
519 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
520 :     stems.
521 :    
522 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
523 :     constructor.
524 :    
525 :     * NAMESPACE: Exported termFreq.
526 :    
527 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
528 :    
529 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
530 :    
531 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
532 :    
533 :     * R/weight.R: Weighting functions for TermDocMatrix.
534 :    
535 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
536 :    
537 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
538 :     functions for accessing dimension, column, and row names.
539 :    
540 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
541 :    
542 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
543 :    
544 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
545 :    
546 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
547 :    
548 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
549 :    
550 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
551 :    
552 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
553 :     pdfinfo. The system call gives a warning anyway.
554 :    
555 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
556 :    
557 :     * R/textdoccol.R (asPlain): Conversion from
558 :     StructuredTextDocuments to PlainTextDocuments.
559 :    
560 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
561 :    
562 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
563 :     for accessing term-document matrices.
564 :    
565 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
566 :     are installed.
567 :    
568 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
569 :    
570 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
571 :     Christian Buchta.
572 :    
573 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
574 :    
575 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
576 :    
577 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
578 :    
579 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
580 :    
581 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
582 :    
583 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
584 :    
585 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
586 :    
587 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
588 :    
589 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
590 :    
591 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
592 :    
593 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
594 :    
595 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
596 :     package cba by new dist call from package proxy.
597 :    
598 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
599 :    
600 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
601 :    
602 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
603 :    
604 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
605 :     loading messages.
606 :    
607 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
608 :    
609 :     * R/dictionary.R: Added dictionary support.
610 :    
611 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
612 :    
613 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
614 :     documents. This simplifies some functions, e.g., asPlain.
615 :    
616 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
617 :    
618 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
619 :    
620 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
621 :    
622 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
623 :     words by a single word. Useful for synonyms.
624 :    
625 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
626 :    
627 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
628 :    
629 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
630 :    
631 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
632 :     vectors. Thanks to Ariel Maguyon for his error report.
633 :     (removeSparseTerms): New function to remove columns from a
634 :     term-document matrix exceeding a sparse factor.
635 :    
636 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
637 :    
638 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
639 :    
640 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
641 :    
642 :     * man/sFilter.Rd: Corrected documentation on statement format (use
643 :     '==' instead of '=').
644 :    
645 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
646 :    
647 :     * R/aobjects.R (StructuredTextDocument): Inherits from
648 :     TextDocument.
649 :    
650 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
651 :    
652 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
653 :     on sparse matrices as proposed by Martin Maechler.
654 :    
655 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
656 :    
657 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
658 :     \pkg{filehash} version makes them deprecated.
659 :    
660 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
661 :    
662 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
663 :     erasing stopwords.
664 :     (weightMatrix): Adapted to handle sparse matrices.
665 :     (TermDocMatrix): Sparse matrix is now efficiently built by
666 :     direct stepwise insertion of row values into it.
667 :    
668 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
669 :    
670 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
671 :     due to ongoing problems. For our purposes the latter is as useful
672 :     as the replaced package.
673 :    
674 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
675 :    
676 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
677 :    
678 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
679 :    
680 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
681 :    
682 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
683 :     languages with available stopwords.
684 :    
685 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
686 :    
687 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
688 :    
689 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
690 :    
691 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
692 :     have been integrated.
693 : feinerer 731
694 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
695 :     for various other languages.
696 :    
697 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
698 :    
699 : feinerer 730 * man/: Updated documentation.
700 :    
701 : feinerer 729 * Work/testDb.R: Script to test database stuff.
702 :    
703 :     * R/: Fixed various database related bugs. Seems to be rather
704 :     useable now, i.e., consider as alpha status for now.
705 :    
706 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
707 :    
708 :     * R/: Fixed some bugs related to database support.
709 :    
710 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
711 :    
712 :     * man/: Added a lot of examples to the manuals.
713 :    
714 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
715 :    
716 :     * man/: Updated parts of the documentation.
717 :    
718 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
719 :     documents to plain text documents.
720 :    
721 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
722 :    
723 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
724 :     intensively tested.
725 :    
726 : feinerer 723 * R/source.R: Now each source has a default reader.
727 :    
728 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
729 :     class anymore.
730 :    
731 :     * R/plaintextdoc.R: Custom show method for plain text documents.
732 :    
733 :     * R/aobjects.R: Added a class for structured text documents.
734 :    
735 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
736 :     \code{reader}.
737 :    
738 :     * R/textdoccol.R (summary): Indent tags.
739 :    
740 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
741 : feinerer 722 punctuation marks.
742 :    
743 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
744 :    
745 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
746 :     using prescindMeta().
747 :    
748 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
749 :    
750 :     * R/textdoccol.R: Improved database support.
751 :    
752 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
753 :    
754 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
755 :    
756 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
757 :     language code.
758 :    
759 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
760 :     into parserControl argument.
761 :    
762 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
763 :    
764 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
765 :    
766 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
767 :     created on the fly.
768 :    
769 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
770 :     a given language (English, German and French at the moment)
771 :    
772 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
773 :     otherwise falls back to Snowball package.
774 :    
775 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
776 :    
777 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
778 :     by "dists" from package "cba" can be used.
779 :    
780 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
781 :    
782 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
783 :     to Kurt's latex suggestion. Removed points and underscores in
784 :     variable names for consistent naming.
785 :    
786 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
787 :    
788 :     * man/TextRepository.Rd: Fixed bug in documentation.
789 :    
790 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
791 :    
792 :     * DESCRIPTION: Update to version 0.1-1.
793 :    
794 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
795 :    
796 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
797 :     wordStem.
798 :    
799 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
800 :    
801 :     * R/: Changes due to Kurt's review.
802 :    
803 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
804 :    
805 :     * R/: Implemented improvements based upon comments by David
806 :     Meyer.
807 :    
808 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
809 :    
810 :     * inst/doc/: Rewrote vignette.
811 :    
812 :     * man/: Improved documentation.
813 :    
814 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
815 :    
816 :     * man/: Updated documentation.
817 :    
818 :     * DESCRIPTION: Changed package name to "tm". Updated version to
819 :     0.1 for first CRAN release.
820 :    
821 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
822 :     list archive example.
823 :    
824 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
825 :     archive example.
826 :    
827 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
828 :     from (several mails per box) mbox format to (single mail per file)
829 :     eml format.
830 :    
831 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
832 :    
833 :     * data/crude.rda: Rebuilt.
834 :    
835 :     * data/acq.rda: Rebuilt.
836 :    
837 :     * R/reader.R: Factored out reader and parser methods from
838 :     textdoccol.R.
839 :    
840 :     * R/source.R: Factored out Source methods from aobjects.R and
841 :     textdoccol.R.
842 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
843 :     feeds.
844 :    
845 :     * R/textdoccol.R (DirSource): Added support for recursive
846 :     traversal of directories.
847 :    
848 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
849 :    
850 :     * R/textdoccol.R ([[): Loads the document corpus automatically
851 :     into memory upon access.
852 :     (tm_transform, tm_filter): Removed several checks whether the
853 :     document is already loaded ([[ ensures this now).
854 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
855 :     mailing list archive.
856 :    
857 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
858 :    
859 :     * R/aobjects.R (TextDocument): Is now a virtual class.
860 :     (Source): Is now a virtual class.
861 :    
862 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
863 :    
864 :     * R/textdoccol.R (c): Support for an arbitrary number of document
865 :     collections.
866 :    
867 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
868 :    
869 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
870 :     append_meta and remove_meta.
871 :    
872 :     * R/textdoccol.R: Removed modify_metadata method.
873 :    
874 :     * R/textrepo.R: Removed modify_metadata method.
875 :    
876 :     * R/textdoccol.R (remove_meta): Supports removal of document
877 :     collection metadata and document (= in data frame) metadata.
878 :    
879 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
880 :    
881 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
882 :    
883 :     * data/crude.rda: Rebuilt.
884 :    
885 :     * data/acq.rda: Rebuilt.
886 :    
887 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
888 :    
889 :     * R/textdoccol.R ([): Bug fix for subsetting a document
890 :     collection's data frame.
891 :    
892 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
893 :    
894 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
895 :     to s_filter.
896 :    
897 :     * R/textdoccol.R: Local text documents' metadata can now be copied
898 :     to a document collection's data frame with prescind_meta.
899 :    
900 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
901 :    
902 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
903 :    
904 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
905 :    
906 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
907 :    
908 :     * R/: Various fixes in handling metadata.
909 :    
910 :     * R/: Added update mechanism for text document collections.
911 :    
912 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
913 :    
914 :     * R/: Merging of document collections now creates a binary tree
915 :     for reconstructing merged document collections.
916 :    
917 :     * R/: Redesign of metadata for document collections.
918 :    
919 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
920 :    
921 :     * R/: Messages now use \code{ngettext}.
922 :    
923 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
924 :    
925 :     * R/: Added functions for modifying and removing metadata.
926 :    
927 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
928 :    
929 :     * man/: Updated some documentation.
930 :    
931 :     * R/: Corrected some connection issues.
932 :    
933 :     * inst/doc: Worked on the vignette.
934 :    
935 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
936 :    
937 : feinerer 66 * inst/: Added texts and started vignette.
938 :    
939 : feinerer 65 * R/: Final changes based upon David's comments.
940 :    
941 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
942 :    
943 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
944 :     directives!).
945 :    
946 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
947 :    
948 :     * R/: Modified the TextDocCol constructur and various parsers. It
949 :     is now modular and supports various file formats via plugins (see
950 :     the new "Source" class).
951 :    
952 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
953 :    
954 :     * man/: Revised documentation after previous code changes.
955 :    
956 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
957 :    
958 :     * R/: Remaining changes as discussed with David.
959 :    
960 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
961 :    
962 :     * R/: Some changes as suggested by David. The rest will follow
963 :     within the next days.
964 :    
965 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
966 :    
967 :     * man/: Finished documentation.
968 :    
969 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
970 :    
971 :     * man/: Wrote some documentation.
972 :    
973 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
974 :    
975 :     * R/: Further syntactic sugar in form of additional assignment and
976 :     accessor methods.
977 :    
978 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
979 :    
980 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
981 : feinerer 56 operators.
982 : feinerer 54
983 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
984 :    
985 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
986 :     and dissimilarities.
987 :    
988 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
989 :    
990 :     * R/: Added similarity functions.
991 :    
992 :     * data/: Added english stopwords.
993 :    
994 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
995 :    
996 : feinerer 51 * data/: Examples compiled for new features
997 :    
998 :     * R/: Changes due to new structure.
999 :    
1000 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
1001 :    
1002 :     * R/termdocmatrix.R: Adapted for new naming scheme.
1003 :    
1004 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1005 :    
1006 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
1007 :     several transform and filter functions operating on text document
1008 :     collections (alias text document databases).
1009 :    
1010 :     * R/aobjects.R: Adapted class structure with inheritance,
1011 :     repositories and additional meta data. Loading files on demand is
1012 :     now possible.
1013 :    
1014 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1015 :    
1016 :     * R/: Some cosmetic cleanups.
1017 :    
1018 :     * inst/: Removed vignette on clustering. That and much more is now
1019 :     described in the JSS paper on text mining. Based upon that
1020 :     article an elaborated vignette will be incorporated in the future.
1021 :    
1022 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1023 :    
1024 :     * R/: Updated generic S4 methods to comply with signature changes
1025 :     in newer versions of R (> 2.3)
1026 :    
1027 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1028 :    
1029 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
1030 :    
1031 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
1032 :    
1033 :     * R/textdoccol.R: Added RIS HTML input format.
1034 :    
1035 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1036 :    
1037 :     * R/textdoccol.R: Removed bug that caused invalid text document
1038 :     collections when handling many input files.
1039 :    
1040 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
1041 :    
1042 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
1043 :     mechanism.
1044 :    
1045 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
1046 :     ReutNews.rda
1047 :    
1048 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
1049 :    
1050 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
1051 :    
1052 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1053 :    
1054 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
1055 :     clustering facilities of this package.
1056 :    
1057 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
1058 :    
1059 :     * R/aobjects.R: Changed package document structure to avoid class
1060 :     dependency problems.
1061 :    
1062 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1063 :    
1064 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
1065 : feinerer 29 data set.
1066 :    
1067 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
1068 : feinerer 28 CMD check textmin" works without errors.
1069 :    
1070 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
1071 :    
1072 :     * src/: Various splits can now be easily created for the
1073 :     Reuters21578 data set.
1074 :    
1075 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1076 :    
1077 : feinerer 799 * Updated documentation
1078 : feinerer 26
1079 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
1080 :    
1081 : feinerer 799 * Wrote R documentation for some classes and methods.
1082 : feinerer 25
1083 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1084 :    
1085 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
1086 :     files. See the questionnaire data/Umfrage.csv for such an example.
1087 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
1088 : feinerer 22
1089 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
1090 : feinerer 21 matrix is now possible.
1091 :    
1092 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1093 :    
1094 :     * R/textdoccol.R: One can build term-document matrices if
1095 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
1096 :     document collection with it.
1097 :    
1098 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
1099 :    
1100 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1101 :    
1102 :     * R/textdoccol.R: We now can read in a whole XML file with several
1103 :     news items.
1104 :    
1105 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1106 :    
1107 :     * R/textdoccol.R: Set up an S4 class for a collection of text
1108 :     documents. A first attempt to read in XML input (like the RCV1
1109 :     set) was made.
1110 :    
1111 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
1112 :     some accessor functions.
1113 :    
1114 :     * data/newsitem.xml: Added this XML file for testing purposes. It
1115 :     contains a single news item from the Reuters Corpus Volume 1
1116 :     (RCV1) XML set.
1117 :    
1118 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1119 :    
1120 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
1121 :     textmatrix as k-means clustering provided by R (kmeans) now works on
1122 :     this textmatrix. The result is a k-means text clustering with a
1123 :     similarity measure based upon word frequences.
1124 :    
1125 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1126 :    
1127 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1128 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1129 :    
1130 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1131 :    
1132 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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