SCM

SCM Repository

[tm] Annotation of /pkg/ChangeLog
ViewVC logotype

Annotation of /pkg/ChangeLog

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1139 - (view) (download)

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

root@r-forge.r-project.org
ViewVC Help
Powered by ViewVC 1.0.0  
Thanks to:
Vienna University of Economics and Business Powered By FusionForge