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Revision 1149 - (view) (download)

1 : feinerer 1149 2011-11-04 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
4 :    
5 :     * man/combine.Rd: Document c.term_frequency.
6 :    
7 : feinerer 1147 2011-10-11 Ingo Feinerer <feinerer@logic.at>
8 :    
9 :     * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
10 :     can be accessed via '[' and not '[['.
11 :    
12 : feinerer 1139 2011-08-24 Ingo Feinerer <feinerer@logic.at>
13 :    
14 :     * R/stopwords.R (stopwords): Raise an error if no stopwords are
15 :     available for requested language. Suggested by Derek M Jones.
16 :    
17 : feinerer 1136 2011-05-27 Ingo Feinerer <feinerer@logic.at>
18 :    
19 :     * R/weight.R (weightSMART): Implement Cosine and pivoted unique
20 :     normalization.
21 :    
22 : feinerer 1121 2011-02-17 Ingo Feinerer <feinerer@logic.at>
23 :    
24 :     * R/transform.R (stemDocument.PlainTextDocument): Use language
25 :     argument.
26 :    
27 : feinerer 1117 2011-02-04 Ingo Feinerer <feinerer@logic.at>
28 :    
29 :     * R/source.R: Store strings and connections instead of unevaluated
30 :     calls.
31 :    
32 : feinerer 1114 2010-11-26 Ingo Feinerer <feinerer@logic.at>
33 :    
34 :     * R/corpus.R (Corpus): Allow init and exit hooks for readers.
35 :    
36 : feinerer 1108 2010-10-22 Ingo Feinerer <feinerer@logic.at>
37 :    
38 :     * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
39 :     (instead of a list element).
40 :    
41 : feinerer 1102 2010-10-16 Ingo Feinerer <feinerer@logic.at>
42 :    
43 :     * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
44 : feinerer 1108 documents by names (fallback to IDs if names are not set).
45 : feinerer 1102
46 : feinerer 1095 2010-08-25 Ingo Feinerer <feinerer@logic.at>
47 :    
48 :     * R/corpus.R (c.Corpus): When concatenating corpora, the argument
49 :     \code{recursive} now determines whether existing corpus meta data
50 :     is used.
51 :    
52 : feinerer 1084 2010-08-06 Ingo Feinerer <feinerer@logic.at>
53 :    
54 :     * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
55 :    
56 : feinerer 1080 2010-06-17 Ingo Feinerer <feinerer@logic.at>
57 :    
58 :     * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
59 :     remove terms not occurring in the corpus anymore.
60 :    
61 : feinerer 1075 2010-06-02 Ingo Feinerer <feinerer@logic.at>
62 :    
63 :     * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
64 :     and Heaps' law.
65 :    
66 : feinerer 1070 2010-05-18 Ingo Feinerer <feinerer@logic.at>
67 :    
68 :     * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
69 :     provided by a source.
70 :    
71 : feinerer 1063 2010-04-09 Ingo Feinerer <feinerer@logic.at>
72 :    
73 :     * R/source.R (.Source): Provide document names.
74 :    
75 : feinerer 1062 2010-04-07 Ingo Feinerer <feinerer@logic.at>
76 :    
77 :     * R/meta.R (`content_or_meta`): Utility function.
78 :    
79 : feinerer 1061 2010-03-19 Ingo Feinerer <feinerer@logic.at>
80 :    
81 :     * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
82 :     TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
83 :    
84 : feinerer 1048 2010-03-03 Ingo Feinerer <feinerer@logic.at>
85 :    
86 : feinerer 1051 * R/weight.R (weightTfIdf): Added normalization option.
87 :    
88 : feinerer 1048 * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
89 :     analysis.
90 :    
91 : feinerer 1046 2010-02-25 Ingo Feinerer <feinerer@logic.at>
92 :    
93 :     * R/score.R (tm_tag_score): Compute a score from the number of
94 :     tags matching in a document.
95 :    
96 : feinerer 1041 2010-02-18 Ingo Feinerer <feinerer@logic.at>
97 :    
98 :     * R/complete.R (stemCompletion): New completion heuristics.
99 :    
100 :     2010-02-17 Ingo Feinerer <feinerer@logic.at>
101 :    
102 :     * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
103 :    
104 : feinerer 1040 2010-02-06 Ingo Feinerer <feinerer@logic.at>
105 :    
106 :     * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
107 :     setOldClass(c(..., "list")) works.
108 :    
109 : feinerer 1039 2010-01-22 Ingo Feinerer <feinerer@logic.at>
110 :    
111 :     * R/transform.R (stemDocument.character): In case input is a
112 :     simple character just delegate to the default Snowball stemmer.
113 :    
114 : feinerer 1038 2010-01-15 Ingo Feinerer <feinerer@logic.at>
115 :    
116 :     * R/reader.R (readReut21578XML, readRCV1): Extract more meta
117 :     data.
118 :    
119 : feinerer 1034 2010-01-12 Ingo Feinerer <feinerer@logic.at>
120 :    
121 :     * R/doc.R (`Content<-`): Be careful with names attribute.
122 :    
123 : stefan7th 1032 2010-01-07 Stefan Theussl <stefan.theussl@wu.ac.at>
124 :    
125 :     * R/source.R (DirSource): Improved implementation especially when
126 : feinerer 1042 handling many (> 1M) files.
127 : stefan7th 1032
128 : feinerer 1029 2009-12-22 Ingo Feinerer <feinerer@logic.at>
129 :    
130 :     * R/source.R (getElem.URISource): Use encoding argument.
131 :    
132 : feinerer 1025 2009-12-11 Ingo Feinerer <feinerer@logic.at>
133 :    
134 :     * R/doc.R (setOldClass): Register S3 document classes to be
135 :     recognized by S4 methods.
136 :    
137 : feinerer 1023 2009-11-25 Ingo Feinerer <feinerer@logic.at>
138 :    
139 :     * R/matrix.R (termFreq): Add option to remove punctuation
140 :     characters.
141 :    
142 : feinerer 1022 2009-11-19 Ingo Feinerer <feinerer@logic.at>
143 :    
144 :     * R/matrix.R (c.TermDocumentMatrix): Added combine method for
145 :     merging multiple term-document matrices.
146 :    
147 : feinerer 1020 2009-11-17 Ingo Feinerer <feinerer@logic.at>
148 :    
149 : feinerer 1021 * R/corpus.R (setOldClass): Register S3 corpus classes to be
150 :     recognized by S4 methods.
151 :    
152 : feinerer 1020 * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
153 :     that CRAN Mac OS X builds do not fail any longer.
154 :    
155 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
156 :    
157 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
158 :     of RWeka:AlphabeticTokenizer() as default.
159 :    
160 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
161 :    
162 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
163 :     caused words at the beginning or the end of a line not to be removed. Do
164 :     not delete whitespace anymore.
165 :    
166 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
167 :    
168 :     * R/source.R (DirSource): Default to working directory if no path
169 :     is specified.
170 :    
171 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
172 :    
173 :     * R/source.R (DirSource): Stop on empty directories.
174 :    
175 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
176 :    
177 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
178 :     named documents.
179 :    
180 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
181 :    
182 :     * R/transform.R (removeWords): Improve regular expressions.
183 :    
184 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
185 :    
186 :     * R/meta.R (DublinCore): Allow lower case tags.
187 :    
188 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
189 :    
190 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
191 :     instead of x$children.
192 :    
193 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
194 :    
195 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
196 :    
197 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
198 :    
199 :     * R/: Use S3 instead of S4 class system.
200 :    
201 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
202 :    
203 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
204 :    
205 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
206 :    
207 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
208 :     postings are basically e-mails with some extra headers.
209 :    
210 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
211 :    
212 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
213 :     removeMultipart, and removeSignature to the tm.plugin.mail package
214 :     since they are mainly utility functions (for handling e-mails) and
215 :     not very framework specific.
216 : feinerer 972
217 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
218 :    
219 :     * man/: Fix documentation.
220 :    
221 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
222 :    
223 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
224 :     plain text document instead of an XML document for texts of the
225 :     Reuters-21578 dataset.
226 :    
227 :     * R/sparse.R: Removed since the slam package is now available on
228 :     CRAN.
229 :    
230 :     * DESCRIPTION (Depends): Add slam package.
231 :    
232 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
233 :    
234 :     * R/transform.R (stemDoc): Fix character(0) handling.
235 :    
236 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
237 :    
238 :     * R/doc.R (show): Pretty print.
239 :    
240 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
241 :    
242 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
243 :     gracefully.
244 :    
245 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
246 :    
247 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
248 :     and permanent storage semantics.
249 :    
250 :     * DESCRIPTION: New major release. A *lot* of improvements.
251 :    
252 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
253 :    
254 :     * NAMESPACE: Export some simple_triplet_matrix functions.
255 :    
256 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
257 :    
258 :     * R/weight.R: Adapt tf-idf to new matrix format.
259 :    
260 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
261 :    
262 :     * R/matrix.R: Create two distinct classes for term-document and
263 :     document-term matrices.
264 :    
265 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
266 :    
267 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
268 :     package start-up time significantly.
269 : feinerer 938
270 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
271 :    
272 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
273 :    
274 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
275 :    
276 :     * R/transform.R (tmReduce): Combine multiple maps into one
277 :     transformation.
278 :    
279 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
280 :    
281 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
282 :     dgCMatrix.
283 :    
284 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
285 :     or TermDocumentMatrix instead.
286 : feinerer 923
287 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
288 :    
289 :     * inst/doc/extensions.Rnw: Finished vignette.
290 :    
291 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
292 :    
293 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
294 :     DocumentTermMatrix representations.
295 :    
296 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
297 :    
298 :     * R/reader.R (readXML): New reader for arbitrary XML files.
299 :    
300 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
301 :    
302 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
303 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
304 :     (Source): New slot Vectorized.
305 : feinerer 910
306 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
307 :    
308 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
309 :     structures which can be customized via user-defined mappings.
310 : feinerer 908
311 : feinerer 905 * R/reader.R: Always use UTC time zone.
312 :    
313 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
314 :    
315 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
316 :    
317 :     * R/reader.R (readDOC): Options can be passed over to antiword.
318 :    
319 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
320 :     pdftotext.
321 :    
322 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
323 :    
324 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
325 :     which are internally passed over to list.files().
326 :    
327 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
328 :    
329 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
330 :    
331 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
332 :    
333 :     * DESCRIPTION: Speed up package loading (via moving packages not
334 :     strictly necessary for normal operation to Suggests instead of
335 :     Depends).
336 :    
337 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
338 :    
339 :     * R/reader.R (readNewsgroup): The date format is now configurable.
340 :    
341 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
342 :    
343 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
344 :    
345 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
346 :    
347 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
348 :    
349 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
350 :    
351 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
352 :    
353 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
354 :    
355 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
356 :    
357 :     * R/source.R (URISource): New source class for a single document.
358 :    
359 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
360 :    
361 :     * R/source.R: Refactoring.
362 :    
363 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
364 :    
365 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
366 :     Rmpi installations more gracefully.
367 :    
368 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
369 :    
370 :     * R/source.R (Source): Add Length slot.
371 :    
372 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
373 :    
374 :     * R/AAA.R: Unify duplicated .onLoad function.
375 :    
376 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
377 :    
378 :     * DESCRIPTION (Suggests): Added Rmpi.
379 :    
380 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
381 :    
382 :     * R/source.R (getElem): Fix 'no visible binding' warning.
383 :    
384 :     * man/WeightFunction.Rd: Fix signature.
385 :    
386 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
387 :    
388 :     * R/weight.R: Introduce name abbreviations for weighting functions.
389 :    
390 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
391 :    
392 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
393 :    
394 :     * R/cluster.R: Provide convenience functions for using a MPI
395 :     cluster.
396 :    
397 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
398 :     available.
399 :    
400 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
401 :     available.
402 :    
403 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
404 :    
405 :     * R/textdoccol.R (lapply): Removed debug print out.
406 :    
407 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
408 :    
409 :     * R/reader.R (readRCV1): Improved meta data extraction from
410 :     Reuters Corpus Volume 1 documents.
411 :    
412 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
413 :    
414 :     * R/transform.R: Ensure that all mappings preserve multiline
415 :     structures.
416 :    
417 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
418 :    
419 :     * R/filter.R: Every filter has now an attribute indicating whether
420 :     it sould be applied to document level (doclevel).
421 :    
422 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
423 :     filter.
424 :    
425 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
426 :    
427 :     * R/transform.R (replacePatterns): Replaced removeWords by
428 :     replacePatterns. Suggested by Christian Buchta.
429 :    
430 :     * R/textdoccol.R (inspect): Improved formatting.
431 :    
432 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
433 :    
434 :     * inst/CITATION: Updated JSS article information.
435 :    
436 :     * R/textdoccol.R (setAs): Added coerce method from list to
437 :     corpus.
438 :    
439 :     * R/meta.R (meta): Improved meta data handling.
440 :    
441 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
442 :    
443 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
444 :     Christian Buchta.
445 :    
446 :     * inst/CITATION: Added template to include JSS article reference.
447 :    
448 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
449 :    
450 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
451 :    
452 : feinerer 832 * R/source.R: Added VectorSource.
453 :    
454 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
455 :    
456 :     * man/: Language codes should be in ISO 639-1 format.
457 :    
458 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
459 :    
460 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
461 :    
462 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
463 :     containing plain text documents to disk.
464 :    
465 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
466 :    
467 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
468 :     always set correctly.
469 :    
470 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
471 :     since in most cases this is the wanted behaviour.
472 :    
473 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
474 :    
475 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
476 :    
477 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
478 :    
479 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
480 :    
481 :     * R/meta.R (meta): New function for consistent access to meta data
482 :     of document collections, repositories, and texts.
483 :    
484 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
485 :    
486 :     * R/: Better support for encodings.
487 :    
488 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
489 :    
490 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
491 :     selection when no reader argument is given.
492 :    
493 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
494 :    
495 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
496 :     internally.
497 :    
498 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
499 :    
500 :     * R/reader.R (getReaders): Returns available reader functions.
501 :    
502 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
503 :     as default.
504 :    
505 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
506 :    
507 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
508 :     variable warnings.
509 :    
510 :     * man/: Documentation for showMeta, added an example for tmMap.
511 :    
512 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
513 :     some minor typos fixed.
514 :    
515 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
516 :    
517 :     * R/aobjects.R (showMeta): Added method for pretty printing a
518 :     text document's meta data.
519 :    
520 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
521 :    
522 :     * R/textdoccol.R (TextDocCol): Better handling of empty
523 :     arguments.
524 :    
525 :     * NAMESPACE: Exported readDOC.
526 :    
527 : feinerer 800 * man/completeStems.Rd: Added an example.
528 :    
529 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
530 : feinerer 796
531 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
532 :     call. Allows users to modify stopword .dat files interactively.
533 :    
534 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
535 :    
536 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
537 :     documents.
538 :    
539 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
540 :    
541 :     * man/: Updated documentation.
542 :    
543 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
544 :    
545 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
546 :     stems.
547 :    
548 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
549 :     constructor.
550 :    
551 :     * NAMESPACE: Exported termFreq.
552 :    
553 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
554 :    
555 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
556 :    
557 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
558 :    
559 :     * R/weight.R: Weighting functions for TermDocMatrix.
560 :    
561 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
562 :    
563 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
564 :     functions for accessing dimension, column, and row names.
565 :    
566 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
567 :    
568 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
569 :    
570 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
571 :    
572 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
573 :    
574 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
575 :    
576 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
577 :    
578 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
579 :     pdfinfo. The system call gives a warning anyway.
580 :    
581 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
582 :    
583 :     * R/textdoccol.R (asPlain): Conversion from
584 :     StructuredTextDocuments to PlainTextDocuments.
585 :    
586 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
587 :    
588 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
589 :     for accessing term-document matrices.
590 :    
591 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
592 :     are installed.
593 :    
594 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
595 :    
596 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
597 :     Christian Buchta.
598 :    
599 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
600 :    
601 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
602 :    
603 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
604 :    
605 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
606 :    
607 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
608 :    
609 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
610 :    
611 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
612 :    
613 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
614 :    
615 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
616 :    
617 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
618 :    
619 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
620 :    
621 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
622 :     package cba by new dist call from package proxy.
623 :    
624 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
625 :    
626 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
627 :    
628 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
629 :    
630 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
631 :     loading messages.
632 :    
633 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
634 :    
635 :     * R/dictionary.R: Added dictionary support.
636 :    
637 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
638 :    
639 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
640 :     documents. This simplifies some functions, e.g., asPlain.
641 :    
642 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
643 :    
644 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
645 :    
646 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
647 :    
648 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
649 :     words by a single word. Useful for synonyms.
650 :    
651 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
652 :    
653 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
654 :    
655 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
656 :    
657 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
658 :     vectors. Thanks to Ariel Maguyon for his error report.
659 :     (removeSparseTerms): New function to remove columns from a
660 :     term-document matrix exceeding a sparse factor.
661 :    
662 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
663 :    
664 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
665 :    
666 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
667 :    
668 :     * man/sFilter.Rd: Corrected documentation on statement format (use
669 :     '==' instead of '=').
670 :    
671 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
672 :    
673 :     * R/aobjects.R (StructuredTextDocument): Inherits from
674 :     TextDocument.
675 :    
676 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
677 :    
678 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
679 :     on sparse matrices as proposed by Martin Maechler.
680 :    
681 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
682 :    
683 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
684 :     \pkg{filehash} version makes them deprecated.
685 :    
686 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
687 :    
688 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
689 :     erasing stopwords.
690 :     (weightMatrix): Adapted to handle sparse matrices.
691 :     (TermDocMatrix): Sparse matrix is now efficiently built by
692 :     direct stepwise insertion of row values into it.
693 :    
694 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
695 :    
696 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
697 :     due to ongoing problems. For our purposes the latter is as useful
698 :     as the replaced package.
699 :    
700 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
701 :    
702 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
703 :    
704 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
705 :    
706 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
707 :    
708 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
709 :     languages with available stopwords.
710 :    
711 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
712 :    
713 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
714 :    
715 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
716 :    
717 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
718 :     have been integrated.
719 : feinerer 731
720 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
721 :     for various other languages.
722 :    
723 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
724 :    
725 : feinerer 730 * man/: Updated documentation.
726 :    
727 : feinerer 729 * Work/testDb.R: Script to test database stuff.
728 :    
729 :     * R/: Fixed various database related bugs. Seems to be rather
730 :     useable now, i.e., consider as alpha status for now.
731 :    
732 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
733 :    
734 :     * R/: Fixed some bugs related to database support.
735 :    
736 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
737 :    
738 :     * man/: Added a lot of examples to the manuals.
739 :    
740 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
741 :    
742 :     * man/: Updated parts of the documentation.
743 :    
744 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
745 :     documents to plain text documents.
746 :    
747 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
748 :    
749 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
750 :     intensively tested.
751 :    
752 : feinerer 723 * R/source.R: Now each source has a default reader.
753 :    
754 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
755 :     class anymore.
756 :    
757 :     * R/plaintextdoc.R: Custom show method for plain text documents.
758 :    
759 :     * R/aobjects.R: Added a class for structured text documents.
760 :    
761 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
762 :     \code{reader}.
763 :    
764 :     * R/textdoccol.R (summary): Indent tags.
765 :    
766 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
767 : feinerer 722 punctuation marks.
768 :    
769 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
770 :    
771 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
772 :     using prescindMeta().
773 :    
774 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
775 :    
776 :     * R/textdoccol.R: Improved database support.
777 :    
778 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
779 :    
780 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
781 :    
782 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
783 :     language code.
784 :    
785 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
786 :     into parserControl argument.
787 :    
788 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
789 :    
790 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
791 :    
792 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
793 :     created on the fly.
794 :    
795 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
796 :     a given language (English, German and French at the moment)
797 :    
798 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
799 :     otherwise falls back to Snowball package.
800 :    
801 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
802 :    
803 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
804 :     by "dists" from package "cba" can be used.
805 :    
806 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
807 :    
808 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
809 :     to Kurt's latex suggestion. Removed points and underscores in
810 :     variable names for consistent naming.
811 :    
812 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
813 :    
814 :     * man/TextRepository.Rd: Fixed bug in documentation.
815 :    
816 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
817 :    
818 :     * DESCRIPTION: Update to version 0.1-1.
819 :    
820 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
821 :    
822 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
823 :     wordStem.
824 :    
825 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
826 :    
827 :     * R/: Changes due to Kurt's review.
828 :    
829 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
830 :    
831 :     * R/: Implemented improvements based upon comments by David
832 :     Meyer.
833 :    
834 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
835 :    
836 :     * inst/doc/: Rewrote vignette.
837 :    
838 :     * man/: Improved documentation.
839 :    
840 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
841 :    
842 :     * man/: Updated documentation.
843 :    
844 :     * DESCRIPTION: Changed package name to "tm". Updated version to
845 :     0.1 for first CRAN release.
846 :    
847 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
848 :     list archive example.
849 :    
850 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
851 :     archive example.
852 :    
853 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
854 :     from (several mails per box) mbox format to (single mail per file)
855 :     eml format.
856 :    
857 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
858 :    
859 :     * data/crude.rda: Rebuilt.
860 :    
861 :     * data/acq.rda: Rebuilt.
862 :    
863 :     * R/reader.R: Factored out reader and parser methods from
864 :     textdoccol.R.
865 :    
866 :     * R/source.R: Factored out Source methods from aobjects.R and
867 :     textdoccol.R.
868 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
869 :     feeds.
870 :    
871 :     * R/textdoccol.R (DirSource): Added support for recursive
872 :     traversal of directories.
873 :    
874 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
875 :    
876 :     * R/textdoccol.R ([[): Loads the document corpus automatically
877 :     into memory upon access.
878 :     (tm_transform, tm_filter): Removed several checks whether the
879 :     document is already loaded ([[ ensures this now).
880 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
881 :     mailing list archive.
882 :    
883 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
884 :    
885 :     * R/aobjects.R (TextDocument): Is now a virtual class.
886 :     (Source): Is now a virtual class.
887 :    
888 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
889 :    
890 :     * R/textdoccol.R (c): Support for an arbitrary number of document
891 :     collections.
892 :    
893 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
894 :    
895 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
896 :     append_meta and remove_meta.
897 :    
898 :     * R/textdoccol.R: Removed modify_metadata method.
899 :    
900 :     * R/textrepo.R: Removed modify_metadata method.
901 :    
902 :     * R/textdoccol.R (remove_meta): Supports removal of document
903 :     collection metadata and document (= in data frame) metadata.
904 :    
905 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
906 :    
907 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
908 :    
909 :     * data/crude.rda: Rebuilt.
910 :    
911 :     * data/acq.rda: Rebuilt.
912 :    
913 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
914 :    
915 :     * R/textdoccol.R ([): Bug fix for subsetting a document
916 :     collection's data frame.
917 :    
918 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
919 :    
920 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
921 :     to s_filter.
922 :    
923 :     * R/textdoccol.R: Local text documents' metadata can now be copied
924 :     to a document collection's data frame with prescind_meta.
925 :    
926 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
927 :    
928 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
929 :    
930 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
931 :    
932 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
933 :    
934 :     * R/: Various fixes in handling metadata.
935 :    
936 :     * R/: Added update mechanism for text document collections.
937 :    
938 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
939 :    
940 :     * R/: Merging of document collections now creates a binary tree
941 :     for reconstructing merged document collections.
942 :    
943 :     * R/: Redesign of metadata for document collections.
944 :    
945 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
946 :    
947 :     * R/: Messages now use \code{ngettext}.
948 :    
949 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
950 :    
951 :     * R/: Added functions for modifying and removing metadata.
952 :    
953 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
954 :    
955 :     * man/: Updated some documentation.
956 :    
957 :     * R/: Corrected some connection issues.
958 :    
959 :     * inst/doc: Worked on the vignette.
960 :    
961 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
962 :    
963 : feinerer 66 * inst/: Added texts and started vignette.
964 :    
965 : feinerer 65 * R/: Final changes based upon David's comments.
966 :    
967 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
968 :    
969 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
970 :     directives!).
971 :    
972 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
973 :    
974 :     * R/: Modified the TextDocCol constructur and various parsers. It
975 :     is now modular and supports various file formats via plugins (see
976 :     the new "Source" class).
977 :    
978 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
979 :    
980 :     * man/: Revised documentation after previous code changes.
981 :    
982 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
983 :    
984 :     * R/: Remaining changes as discussed with David.
985 :    
986 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
987 :    
988 :     * R/: Some changes as suggested by David. The rest will follow
989 :     within the next days.
990 :    
991 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
992 :    
993 :     * man/: Finished documentation.
994 :    
995 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
996 :    
997 :     * man/: Wrote some documentation.
998 :    
999 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1000 :    
1001 :     * R/: Further syntactic sugar in form of additional assignment and
1002 :     accessor methods.
1003 :    
1004 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1005 :    
1006 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
1007 : feinerer 56 operators.
1008 : feinerer 54
1009 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1010 :    
1011 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
1012 :     and dissimilarities.
1013 :    
1014 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1015 :    
1016 :     * R/: Added similarity functions.
1017 :    
1018 :     * data/: Added english stopwords.
1019 :    
1020 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1021 :    
1022 : feinerer 51 * data/: Examples compiled for new features
1023 :    
1024 :     * R/: Changes due to new structure.
1025 :    
1026 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
1027 :    
1028 :     * R/termdocmatrix.R: Adapted for new naming scheme.
1029 :    
1030 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1031 :    
1032 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
1033 :     several transform and filter functions operating on text document
1034 :     collections (alias text document databases).
1035 :    
1036 :     * R/aobjects.R: Adapted class structure with inheritance,
1037 :     repositories and additional meta data. Loading files on demand is
1038 :     now possible.
1039 :    
1040 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1041 :    
1042 :     * R/: Some cosmetic cleanups.
1043 :    
1044 :     * inst/: Removed vignette on clustering. That and much more is now
1045 :     described in the JSS paper on text mining. Based upon that
1046 :     article an elaborated vignette will be incorporated in the future.
1047 :    
1048 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1049 :    
1050 :     * R/: Updated generic S4 methods to comply with signature changes
1051 :     in newer versions of R (> 2.3)
1052 :    
1053 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1054 :    
1055 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
1056 :    
1057 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
1058 :    
1059 :     * R/textdoccol.R: Added RIS HTML input format.
1060 :    
1061 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1062 :    
1063 :     * R/textdoccol.R: Removed bug that caused invalid text document
1064 :     collections when handling many input files.
1065 :    
1066 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
1067 :    
1068 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
1069 :     mechanism.
1070 :    
1071 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
1072 :     ReutNews.rda
1073 :    
1074 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
1075 :    
1076 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
1077 :    
1078 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1079 :    
1080 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
1081 :     clustering facilities of this package.
1082 :    
1083 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
1084 :    
1085 :     * R/aobjects.R: Changed package document structure to avoid class
1086 :     dependency problems.
1087 :    
1088 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1089 :    
1090 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
1091 : feinerer 29 data set.
1092 :    
1093 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
1094 : feinerer 28 CMD check textmin" works without errors.
1095 :    
1096 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
1097 :    
1098 :     * src/: Various splits can now be easily created for the
1099 :     Reuters21578 data set.
1100 :    
1101 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1102 :    
1103 : feinerer 799 * Updated documentation
1104 : feinerer 26
1105 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
1106 :    
1107 : feinerer 799 * Wrote R documentation for some classes and methods.
1108 : feinerer 25
1109 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1110 :    
1111 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
1112 :     files. See the questionnaire data/Umfrage.csv for such an example.
1113 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
1114 : feinerer 22
1115 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
1116 : feinerer 21 matrix is now possible.
1117 :    
1118 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1119 :    
1120 :     * R/textdoccol.R: One can build term-document matrices if
1121 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
1122 :     document collection with it.
1123 :    
1124 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
1125 :    
1126 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1127 :    
1128 :     * R/textdoccol.R: We now can read in a whole XML file with several
1129 :     news items.
1130 :    
1131 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1132 :    
1133 :     * R/textdoccol.R: Set up an S4 class for a collection of text
1134 :     documents. A first attempt to read in XML input (like the RCV1
1135 :     set) was made.
1136 :    
1137 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
1138 :     some accessor functions.
1139 :    
1140 :     * data/newsitem.xml: Added this XML file for testing purposes. It
1141 :     contains a single news item from the Reuters Corpus Volume 1
1142 :     (RCV1) XML set.
1143 :    
1144 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1145 :    
1146 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
1147 :     textmatrix as k-means clustering provided by R (kmeans) now works on
1148 :     this textmatrix. The result is a k-means text clustering with a
1149 :     similarity measure based upon word frequences.
1150 :    
1151 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1152 :    
1153 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1154 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1155 :    
1156 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1157 :    
1158 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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