SCM

SCM Repository

[tm] Annotation of /pkg/ChangeLog
ViewVC logotype

Annotation of /pkg/ChangeLog

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1193 - (view) (download)

1 : feinerer 1191 2012-10-03 Ingo Feinerer <feinerer@logic.at>
2 : feinerer 1193
3 : feinerer 1192 * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
4 : feinerer 1191 columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
5 :     Frölich.
6 :    
7 : feinerer 1188 2012-07-27 Ingo Feinerer <feinerer@logic.at>
8 :    
9 :     * R/transform.R (removeWords): Allow longer stopword lists.
10 :    
11 : feinerer 1175 2012-01-31 Ingo Feinerer <feinerer@logic.at>
12 :    
13 :     * R/reader.R (readXML): Readers can now set the document language
14 :     themselves.
15 :    
16 : feinerer 1169 2012-01-14 Ingo Feinerer <feinerer@logic.at>
17 :    
18 :     * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
19 :     proposed by Milan Bouchet-Valat.
20 :    
21 : feinerer 1168 2012-01-11 Ingo Feinerer <feinerer@logic.at>
22 :    
23 :     * R/matrix.R (termFreq): Fix processing of user provided
24 :     stopwords. Reported by Bettina Grün.
25 :    
26 : feinerer 1167 2011-12-23 Ingo Feinerer <feinerer@logic.at>
27 :    
28 :     * R/matrix.R (termFreq): Fix invalid handling of
29 :     control$wordLengths[1]. Reported by Steven C. Bagley.
30 :    
31 : feinerer 1166 2011-12-17 Ingo Feinerer <feinerer@logic.at>
32 :    
33 :     * DESCRIPTION (Version): Prepare for CRAN Christmas release.
34 :    
35 : feinerer 1164 2011-12-12 Ingo Feinerer <feinerer@logic.at>
36 :    
37 :     * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
38 :    
39 : feinerer 1161 2011-12-07 Ingo Feinerer <feinerer@logic.at>
40 :    
41 :     * R/transform.R (removePunctuation): Add option to preserve
42 :     intra-word dashes.
43 :    
44 : feinerer 1159 2011-12-06 Ingo Feinerer <feinerer@logic.at>
45 :    
46 :     * R/matrix.R (termFreq): Allow reordering of control option
47 :     processing.
48 :    
49 : feinerer 1151 2011-11-17 Ingo Feinerer <feinerer@logic.at>
50 :    
51 : feinerer 1155 * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
52 :     pdfinfo tool.
53 :    
54 : feinerer 1153 * inst/stopwords/SMART.dat: Add SMART information retrieval system
55 :     stopwords (which are also used by the MC toolkit).
56 :    
57 : feinerer 1151 * R/matrix (termFreq): Allow local option \code{bounds$local} to
58 :     restrict how often a term may appear in each document (generalizes
59 :     \code{minDocFreq}). Similarly the local option \code{wordLenghts}
60 :     for word length bounds (generalizes \code{minWordLength}).
61 :    
62 :     * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
63 :     \code{bounds$global} for restricting how often a term is allowed
64 :     to appear in different documents.
65 :    
66 :     * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
67 :     local options delegated internally to termFreq() and global
68 :     options which are processed by the term-document matrix
69 :     constructor itself.
70 :    
71 : feinerer 1150 2011-11-15 Ingo Feinerer <feinerer@logic.at>
72 :    
73 :     * man/getTokenizers.Rd: Document getTokenizers().
74 :    
75 :     * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
76 :    
77 : feinerer 1149 2011-11-04 Ingo Feinerer <feinerer@logic.at>
78 :    
79 :     * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
80 :    
81 : feinerer 1150 * man/combine.Rd: Document c.term_frequency().
82 : feinerer 1149
83 : feinerer 1147 2011-10-11 Ingo Feinerer <feinerer@logic.at>
84 :    
85 :     * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
86 :     can be accessed via '[' and not '[['.
87 :    
88 : feinerer 1139 2011-08-24 Ingo Feinerer <feinerer@logic.at>
89 :    
90 :     * R/stopwords.R (stopwords): Raise an error if no stopwords are
91 :     available for requested language. Suggested by Derek M Jones.
92 :    
93 : feinerer 1136 2011-05-27 Ingo Feinerer <feinerer@logic.at>
94 :    
95 :     * R/weight.R (weightSMART): Implement Cosine and pivoted unique
96 :     normalization.
97 :    
98 : feinerer 1121 2011-02-17 Ingo Feinerer <feinerer@logic.at>
99 :    
100 :     * R/transform.R (stemDocument.PlainTextDocument): Use language
101 :     argument.
102 :    
103 : feinerer 1117 2011-02-04 Ingo Feinerer <feinerer@logic.at>
104 :    
105 :     * R/source.R: Store strings and connections instead of unevaluated
106 :     calls.
107 :    
108 : feinerer 1114 2010-11-26 Ingo Feinerer <feinerer@logic.at>
109 :    
110 :     * R/corpus.R (Corpus): Allow init and exit hooks for readers.
111 :    
112 : feinerer 1108 2010-10-22 Ingo Feinerer <feinerer@logic.at>
113 :    
114 :     * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
115 :     (instead of a list element).
116 :    
117 : feinerer 1102 2010-10-16 Ingo Feinerer <feinerer@logic.at>
118 :    
119 :     * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
120 : feinerer 1108 documents by names (fallback to IDs if names are not set).
121 : feinerer 1102
122 : feinerer 1095 2010-08-25 Ingo Feinerer <feinerer@logic.at>
123 :    
124 :     * R/corpus.R (c.Corpus): When concatenating corpora, the argument
125 :     \code{recursive} now determines whether existing corpus meta data
126 :     is used.
127 :    
128 : feinerer 1084 2010-08-06 Ingo Feinerer <feinerer@logic.at>
129 :    
130 :     * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
131 :    
132 : feinerer 1080 2010-06-17 Ingo Feinerer <feinerer@logic.at>
133 :    
134 :     * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
135 :     remove terms not occurring in the corpus anymore.
136 :    
137 : feinerer 1075 2010-06-02 Ingo Feinerer <feinerer@logic.at>
138 :    
139 :     * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
140 :     and Heaps' law.
141 :    
142 : feinerer 1070 2010-05-18 Ingo Feinerer <feinerer@logic.at>
143 :    
144 :     * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
145 :     provided by a source.
146 :    
147 : feinerer 1063 2010-04-09 Ingo Feinerer <feinerer@logic.at>
148 :    
149 :     * R/source.R (.Source): Provide document names.
150 :    
151 : feinerer 1062 2010-04-07 Ingo Feinerer <feinerer@logic.at>
152 :    
153 :     * R/meta.R (`content_or_meta`): Utility function.
154 :    
155 : feinerer 1061 2010-03-19 Ingo Feinerer <feinerer@logic.at>
156 :    
157 :     * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
158 :     TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
159 :    
160 : feinerer 1048 2010-03-03 Ingo Feinerer <feinerer@logic.at>
161 :    
162 : feinerer 1051 * R/weight.R (weightTfIdf): Added normalization option.
163 :    
164 : feinerer 1048 * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
165 :     analysis.
166 :    
167 : feinerer 1046 2010-02-25 Ingo Feinerer <feinerer@logic.at>
168 :    
169 :     * R/score.R (tm_tag_score): Compute a score from the number of
170 :     tags matching in a document.
171 :    
172 : feinerer 1041 2010-02-18 Ingo Feinerer <feinerer@logic.at>
173 :    
174 :     * R/complete.R (stemCompletion): New completion heuristics.
175 :    
176 :     2010-02-17 Ingo Feinerer <feinerer@logic.at>
177 :    
178 :     * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
179 :    
180 : feinerer 1040 2010-02-06 Ingo Feinerer <feinerer@logic.at>
181 :    
182 :     * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
183 :     setOldClass(c(..., "list")) works.
184 :    
185 : feinerer 1039 2010-01-22 Ingo Feinerer <feinerer@logic.at>
186 :    
187 :     * R/transform.R (stemDocument.character): In case input is a
188 :     simple character just delegate to the default Snowball stemmer.
189 :    
190 : feinerer 1038 2010-01-15 Ingo Feinerer <feinerer@logic.at>
191 :    
192 :     * R/reader.R (readReut21578XML, readRCV1): Extract more meta
193 :     data.
194 :    
195 : feinerer 1034 2010-01-12 Ingo Feinerer <feinerer@logic.at>
196 :    
197 :     * R/doc.R (`Content<-`): Be careful with names attribute.
198 :    
199 : stefan7th 1032 2010-01-07 Stefan Theussl <stefan.theussl@wu.ac.at>
200 :    
201 :     * R/source.R (DirSource): Improved implementation especially when
202 : feinerer 1042 handling many (> 1M) files.
203 : stefan7th 1032
204 : feinerer 1029 2009-12-22 Ingo Feinerer <feinerer@logic.at>
205 :    
206 :     * R/source.R (getElem.URISource): Use encoding argument.
207 :    
208 : feinerer 1025 2009-12-11 Ingo Feinerer <feinerer@logic.at>
209 :    
210 :     * R/doc.R (setOldClass): Register S3 document classes to be
211 :     recognized by S4 methods.
212 :    
213 : feinerer 1023 2009-11-25 Ingo Feinerer <feinerer@logic.at>
214 :    
215 :     * R/matrix.R (termFreq): Add option to remove punctuation
216 :     characters.
217 :    
218 : feinerer 1022 2009-11-19 Ingo Feinerer <feinerer@logic.at>
219 :    
220 :     * R/matrix.R (c.TermDocumentMatrix): Added combine method for
221 :     merging multiple term-document matrices.
222 :    
223 : feinerer 1020 2009-11-17 Ingo Feinerer <feinerer@logic.at>
224 :    
225 : feinerer 1021 * R/corpus.R (setOldClass): Register S3 corpus classes to be
226 :     recognized by S4 methods.
227 :    
228 : feinerer 1020 * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
229 :     that CRAN Mac OS X builds do not fail any longer.
230 :    
231 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
232 :    
233 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
234 :     of RWeka:AlphabeticTokenizer() as default.
235 :    
236 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
237 :    
238 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
239 :     caused words at the beginning or the end of a line not to be removed. Do
240 :     not delete whitespace anymore.
241 :    
242 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
243 :    
244 :     * R/source.R (DirSource): Default to working directory if no path
245 :     is specified.
246 :    
247 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
248 :    
249 :     * R/source.R (DirSource): Stop on empty directories.
250 :    
251 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
252 :    
253 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
254 :     named documents.
255 :    
256 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
257 :    
258 :     * R/transform.R (removeWords): Improve regular expressions.
259 :    
260 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
261 :    
262 :     * R/meta.R (DublinCore): Allow lower case tags.
263 :    
264 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
265 :    
266 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
267 :     instead of x$children.
268 :    
269 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
270 :    
271 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
272 :    
273 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
274 :    
275 :     * R/: Use S3 instead of S4 class system.
276 :    
277 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
278 :    
279 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
280 :    
281 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
282 :    
283 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
284 :     postings are basically e-mails with some extra headers.
285 :    
286 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
287 :    
288 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
289 :     removeMultipart, and removeSignature to the tm.plugin.mail package
290 :     since they are mainly utility functions (for handling e-mails) and
291 :     not very framework specific.
292 : feinerer 972
293 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
294 :    
295 :     * man/: Fix documentation.
296 :    
297 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
298 :    
299 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
300 :     plain text document instead of an XML document for texts of the
301 :     Reuters-21578 dataset.
302 :    
303 :     * R/sparse.R: Removed since the slam package is now available on
304 :     CRAN.
305 :    
306 :     * DESCRIPTION (Depends): Add slam package.
307 :    
308 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
309 :    
310 :     * R/transform.R (stemDoc): Fix character(0) handling.
311 :    
312 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
313 :    
314 :     * R/doc.R (show): Pretty print.
315 :    
316 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
317 :    
318 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
319 :     gracefully.
320 :    
321 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
322 :    
323 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
324 :     and permanent storage semantics.
325 :    
326 :     * DESCRIPTION: New major release. A *lot* of improvements.
327 :    
328 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
329 :    
330 :     * NAMESPACE: Export some simple_triplet_matrix functions.
331 :    
332 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
333 :    
334 :     * R/weight.R: Adapt tf-idf to new matrix format.
335 :    
336 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
337 :    
338 :     * R/matrix.R: Create two distinct classes for term-document and
339 :     document-term matrices.
340 :    
341 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
342 :    
343 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
344 :     package start-up time significantly.
345 : feinerer 938
346 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
347 :    
348 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
349 :    
350 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
351 :    
352 :     * R/transform.R (tmReduce): Combine multiple maps into one
353 :     transformation.
354 :    
355 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
356 :    
357 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
358 :     dgCMatrix.
359 :    
360 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
361 :     or TermDocumentMatrix instead.
362 : feinerer 923
363 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
364 :    
365 :     * inst/doc/extensions.Rnw: Finished vignette.
366 :    
367 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
368 :    
369 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
370 :     DocumentTermMatrix representations.
371 :    
372 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
373 :    
374 :     * R/reader.R (readXML): New reader for arbitrary XML files.
375 :    
376 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
377 :    
378 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
379 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
380 :     (Source): New slot Vectorized.
381 : feinerer 910
382 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
383 :    
384 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
385 :     structures which can be customized via user-defined mappings.
386 : feinerer 908
387 : feinerer 905 * R/reader.R: Always use UTC time zone.
388 :    
389 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
390 :    
391 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
392 :    
393 :     * R/reader.R (readDOC): Options can be passed over to antiword.
394 :    
395 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
396 :     pdftotext.
397 :    
398 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
399 :    
400 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
401 :     which are internally passed over to list.files().
402 :    
403 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
404 :    
405 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
406 :    
407 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
408 :    
409 :     * DESCRIPTION: Speed up package loading (via moving packages not
410 :     strictly necessary for normal operation to Suggests instead of
411 :     Depends).
412 :    
413 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
414 :    
415 :     * R/reader.R (readNewsgroup): The date format is now configurable.
416 :    
417 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
418 :    
419 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
420 :    
421 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
422 :    
423 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
424 :    
425 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
426 :    
427 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
428 :    
429 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
430 :    
431 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
432 :    
433 :     * R/source.R (URISource): New source class for a single document.
434 :    
435 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
436 :    
437 :     * R/source.R: Refactoring.
438 :    
439 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
440 :    
441 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
442 :     Rmpi installations more gracefully.
443 :    
444 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
445 :    
446 :     * R/source.R (Source): Add Length slot.
447 :    
448 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
449 :    
450 :     * R/AAA.R: Unify duplicated .onLoad function.
451 :    
452 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
453 :    
454 :     * DESCRIPTION (Suggests): Added Rmpi.
455 :    
456 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
457 :    
458 :     * R/source.R (getElem): Fix 'no visible binding' warning.
459 :    
460 :     * man/WeightFunction.Rd: Fix signature.
461 :    
462 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
463 :    
464 :     * R/weight.R: Introduce name abbreviations for weighting functions.
465 :    
466 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
467 :    
468 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
469 :    
470 :     * R/cluster.R: Provide convenience functions for using a MPI
471 :     cluster.
472 :    
473 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
474 :     available.
475 :    
476 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
477 :     available.
478 :    
479 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
480 :    
481 :     * R/textdoccol.R (lapply): Removed debug print out.
482 :    
483 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
484 :    
485 :     * R/reader.R (readRCV1): Improved meta data extraction from
486 :     Reuters Corpus Volume 1 documents.
487 :    
488 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
489 :    
490 :     * R/transform.R: Ensure that all mappings preserve multiline
491 :     structures.
492 :    
493 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
494 :    
495 :     * R/filter.R: Every filter has now an attribute indicating whether
496 :     it sould be applied to document level (doclevel).
497 :    
498 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
499 :     filter.
500 :    
501 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
502 :    
503 :     * R/transform.R (replacePatterns): Replaced removeWords by
504 :     replacePatterns. Suggested by Christian Buchta.
505 :    
506 :     * R/textdoccol.R (inspect): Improved formatting.
507 :    
508 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
509 :    
510 :     * inst/CITATION: Updated JSS article information.
511 :    
512 :     * R/textdoccol.R (setAs): Added coerce method from list to
513 :     corpus.
514 :    
515 :     * R/meta.R (meta): Improved meta data handling.
516 :    
517 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
518 :    
519 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
520 :     Christian Buchta.
521 :    
522 :     * inst/CITATION: Added template to include JSS article reference.
523 :    
524 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
525 :    
526 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
527 :    
528 : feinerer 832 * R/source.R: Added VectorSource.
529 :    
530 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
531 :    
532 :     * man/: Language codes should be in ISO 639-1 format.
533 :    
534 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
535 :    
536 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
537 :    
538 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
539 :     containing plain text documents to disk.
540 :    
541 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
542 :    
543 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
544 :     always set correctly.
545 :    
546 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
547 :     since in most cases this is the wanted behaviour.
548 :    
549 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
550 :    
551 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
552 :    
553 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
554 :    
555 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
556 :    
557 :     * R/meta.R (meta): New function for consistent access to meta data
558 :     of document collections, repositories, and texts.
559 :    
560 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
561 :    
562 :     * R/: Better support for encodings.
563 :    
564 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
565 :    
566 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
567 :     selection when no reader argument is given.
568 :    
569 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
570 :    
571 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
572 :     internally.
573 :    
574 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
575 :    
576 :     * R/reader.R (getReaders): Returns available reader functions.
577 :    
578 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
579 :     as default.
580 :    
581 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
582 :    
583 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
584 :     variable warnings.
585 :    
586 :     * man/: Documentation for showMeta, added an example for tmMap.
587 :    
588 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
589 :     some minor typos fixed.
590 :    
591 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
592 :    
593 :     * R/aobjects.R (showMeta): Added method for pretty printing a
594 :     text document's meta data.
595 :    
596 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
597 :    
598 :     * R/textdoccol.R (TextDocCol): Better handling of empty
599 :     arguments.
600 :    
601 :     * NAMESPACE: Exported readDOC.
602 :    
603 : feinerer 800 * man/completeStems.Rd: Added an example.
604 :    
605 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
606 : feinerer 796
607 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
608 :     call. Allows users to modify stopword .dat files interactively.
609 :    
610 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
611 :    
612 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
613 :     documents.
614 :    
615 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
616 :    
617 :     * man/: Updated documentation.
618 :    
619 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
620 :    
621 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
622 :     stems.
623 :    
624 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
625 :     constructor.
626 :    
627 :     * NAMESPACE: Exported termFreq.
628 :    
629 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
630 :    
631 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
632 :    
633 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
634 :    
635 :     * R/weight.R: Weighting functions for TermDocMatrix.
636 :    
637 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
638 :    
639 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
640 :     functions for accessing dimension, column, and row names.
641 :    
642 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
643 :    
644 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
645 :    
646 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
647 :    
648 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
649 :    
650 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
651 :    
652 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
653 :    
654 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
655 :     pdfinfo. The system call gives a warning anyway.
656 :    
657 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
658 :    
659 :     * R/textdoccol.R (asPlain): Conversion from
660 :     StructuredTextDocuments to PlainTextDocuments.
661 :    
662 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
663 :    
664 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
665 :     for accessing term-document matrices.
666 :    
667 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
668 :     are installed.
669 :    
670 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
671 :    
672 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
673 :     Christian Buchta.
674 :    
675 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
676 :    
677 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
678 :    
679 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
680 :    
681 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
682 :    
683 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
684 :    
685 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
686 :    
687 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
688 :    
689 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
690 :    
691 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
692 :    
693 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
694 :    
695 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
696 :    
697 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
698 :     package cba by new dist call from package proxy.
699 :    
700 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
701 :    
702 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
703 :    
704 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
705 :    
706 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
707 :     loading messages.
708 :    
709 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
710 :    
711 :     * R/dictionary.R: Added dictionary support.
712 :    
713 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
714 :    
715 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
716 :     documents. This simplifies some functions, e.g., asPlain.
717 :    
718 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
719 :    
720 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
721 :    
722 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
723 :    
724 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
725 :     words by a single word. Useful for synonyms.
726 :    
727 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
728 :    
729 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
730 :    
731 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
732 :    
733 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
734 :     vectors. Thanks to Ariel Maguyon for his error report.
735 :     (removeSparseTerms): New function to remove columns from a
736 :     term-document matrix exceeding a sparse factor.
737 :    
738 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
739 :    
740 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
741 :    
742 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
743 :    
744 :     * man/sFilter.Rd: Corrected documentation on statement format (use
745 :     '==' instead of '=').
746 :    
747 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
748 :    
749 :     * R/aobjects.R (StructuredTextDocument): Inherits from
750 :     TextDocument.
751 :    
752 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
753 :    
754 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
755 :     on sparse matrices as proposed by Martin Maechler.
756 :    
757 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
758 :    
759 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
760 :     \pkg{filehash} version makes them deprecated.
761 :    
762 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
763 :    
764 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
765 :     erasing stopwords.
766 :     (weightMatrix): Adapted to handle sparse matrices.
767 :     (TermDocMatrix): Sparse matrix is now efficiently built by
768 :     direct stepwise insertion of row values into it.
769 :    
770 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
771 :    
772 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
773 :     due to ongoing problems. For our purposes the latter is as useful
774 :     as the replaced package.
775 :    
776 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
777 :    
778 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
779 :    
780 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
781 :    
782 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
783 :    
784 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
785 :     languages with available stopwords.
786 :    
787 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
788 :    
789 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
790 :    
791 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
792 :    
793 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
794 :     have been integrated.
795 : feinerer 731
796 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
797 :     for various other languages.
798 :    
799 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
800 :    
801 : feinerer 730 * man/: Updated documentation.
802 :    
803 : feinerer 729 * Work/testDb.R: Script to test database stuff.
804 :    
805 :     * R/: Fixed various database related bugs. Seems to be rather
806 :     useable now, i.e., consider as alpha status for now.
807 :    
808 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
809 :    
810 :     * R/: Fixed some bugs related to database support.
811 :    
812 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
813 :    
814 :     * man/: Added a lot of examples to the manuals.
815 :    
816 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
817 :    
818 :     * man/: Updated parts of the documentation.
819 :    
820 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
821 :     documents to plain text documents.
822 :    
823 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
824 :    
825 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
826 :     intensively tested.
827 :    
828 : feinerer 723 * R/source.R: Now each source has a default reader.
829 :    
830 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
831 :     class anymore.
832 :    
833 :     * R/plaintextdoc.R: Custom show method for plain text documents.
834 :    
835 :     * R/aobjects.R: Added a class for structured text documents.
836 :    
837 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
838 :     \code{reader}.
839 :    
840 :     * R/textdoccol.R (summary): Indent tags.
841 :    
842 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
843 : feinerer 722 punctuation marks.
844 :    
845 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
846 :    
847 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
848 :     using prescindMeta().
849 :    
850 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
851 :    
852 :     * R/textdoccol.R: Improved database support.
853 :    
854 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
855 :    
856 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
857 :    
858 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
859 :     language code.
860 :    
861 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
862 :     into parserControl argument.
863 :    
864 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
865 :    
866 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
867 :    
868 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
869 :     created on the fly.
870 :    
871 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
872 :     a given language (English, German and French at the moment)
873 :    
874 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
875 :     otherwise falls back to Snowball package.
876 :    
877 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
878 :    
879 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
880 :     by "dists" from package "cba" can be used.
881 :    
882 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
883 :    
884 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
885 :     to Kurt's latex suggestion. Removed points and underscores in
886 :     variable names for consistent naming.
887 :    
888 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
889 :    
890 :     * man/TextRepository.Rd: Fixed bug in documentation.
891 :    
892 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
893 :    
894 :     * DESCRIPTION: Update to version 0.1-1.
895 :    
896 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
897 :    
898 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
899 :     wordStem.
900 :    
901 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
902 :    
903 :     * R/: Changes due to Kurt's review.
904 :    
905 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
906 :    
907 :     * R/: Implemented improvements based upon comments by David
908 :     Meyer.
909 :    
910 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
911 :    
912 :     * inst/doc/: Rewrote vignette.
913 :    
914 :     * man/: Improved documentation.
915 :    
916 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
917 :    
918 :     * man/: Updated documentation.
919 :    
920 :     * DESCRIPTION: Changed package name to "tm". Updated version to
921 :     0.1 for first CRAN release.
922 :    
923 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
924 :     list archive example.
925 :    
926 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
927 :     archive example.
928 :    
929 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
930 :     from (several mails per box) mbox format to (single mail per file)
931 :     eml format.
932 :    
933 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
934 :    
935 :     * data/crude.rda: Rebuilt.
936 :    
937 :     * data/acq.rda: Rebuilt.
938 :    
939 :     * R/reader.R: Factored out reader and parser methods from
940 :     textdoccol.R.
941 :    
942 :     * R/source.R: Factored out Source methods from aobjects.R and
943 :     textdoccol.R.
944 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
945 :     feeds.
946 :    
947 :     * R/textdoccol.R (DirSource): Added support for recursive
948 :     traversal of directories.
949 :    
950 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
951 :    
952 :     * R/textdoccol.R ([[): Loads the document corpus automatically
953 :     into memory upon access.
954 :     (tm_transform, tm_filter): Removed several checks whether the
955 :     document is already loaded ([[ ensures this now).
956 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
957 :     mailing list archive.
958 :    
959 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
960 :    
961 :     * R/aobjects.R (TextDocument): Is now a virtual class.
962 :     (Source): Is now a virtual class.
963 :    
964 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
965 :    
966 :     * R/textdoccol.R (c): Support for an arbitrary number of document
967 :     collections.
968 :    
969 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
970 :    
971 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
972 :     append_meta and remove_meta.
973 :    
974 :     * R/textdoccol.R: Removed modify_metadata method.
975 :    
976 :     * R/textrepo.R: Removed modify_metadata method.
977 :    
978 :     * R/textdoccol.R (remove_meta): Supports removal of document
979 :     collection metadata and document (= in data frame) metadata.
980 :    
981 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
982 :    
983 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
984 :    
985 :     * data/crude.rda: Rebuilt.
986 :    
987 :     * data/acq.rda: Rebuilt.
988 :    
989 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
990 :    
991 :     * R/textdoccol.R ([): Bug fix for subsetting a document
992 :     collection's data frame.
993 :    
994 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
995 :    
996 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
997 :     to s_filter.
998 :    
999 :     * R/textdoccol.R: Local text documents' metadata can now be copied
1000 :     to a document collection's data frame with prescind_meta.
1001 :    
1002 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1003 :    
1004 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
1005 :    
1006 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
1007 :    
1008 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
1009 :    
1010 :     * R/: Various fixes in handling metadata.
1011 :    
1012 :     * R/: Added update mechanism for text document collections.
1013 :    
1014 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1015 :    
1016 :     * R/: Merging of document collections now creates a binary tree
1017 :     for reconstructing merged document collections.
1018 :    
1019 :     * R/: Redesign of metadata for document collections.
1020 :    
1021 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1022 :    
1023 :     * R/: Messages now use \code{ngettext}.
1024 :    
1025 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1026 :    
1027 :     * R/: Added functions for modifying and removing metadata.
1028 :    
1029 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1030 :    
1031 :     * man/: Updated some documentation.
1032 :    
1033 :     * R/: Corrected some connection issues.
1034 :    
1035 :     * inst/doc: Worked on the vignette.
1036 :    
1037 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
1038 :    
1039 : feinerer 66 * inst/: Added texts and started vignette.
1040 :    
1041 : feinerer 65 * R/: Final changes based upon David's comments.
1042 :    
1043 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
1044 :    
1045 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
1046 :     directives!).
1047 :    
1048 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1049 :    
1050 :     * R/: Modified the TextDocCol constructur and various parsers. It
1051 :     is now modular and supports various file formats via plugins (see
1052 :     the new "Source" class).
1053 :    
1054 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1055 :    
1056 :     * man/: Revised documentation after previous code changes.
1057 :    
1058 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
1059 :    
1060 :     * R/: Remaining changes as discussed with David.
1061 :    
1062 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1063 :    
1064 :     * R/: Some changes as suggested by David. The rest will follow
1065 :     within the next days.
1066 :    
1067 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1068 :    
1069 :     * man/: Finished documentation.
1070 :    
1071 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
1072 :    
1073 :     * man/: Wrote some documentation.
1074 :    
1075 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1076 :    
1077 :     * R/: Further syntactic sugar in form of additional assignment and
1078 :     accessor methods.
1079 :    
1080 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1081 :    
1082 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
1083 : feinerer 56 operators.
1084 : feinerer 54
1085 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1086 :    
1087 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
1088 :     and dissimilarities.
1089 :    
1090 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1091 :    
1092 :     * R/: Added similarity functions.
1093 :    
1094 :     * data/: Added english stopwords.
1095 :    
1096 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1097 :    
1098 : feinerer 51 * data/: Examples compiled for new features
1099 :    
1100 :     * R/: Changes due to new structure.
1101 :    
1102 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
1103 :    
1104 :     * R/termdocmatrix.R: Adapted for new naming scheme.
1105 :    
1106 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1107 :    
1108 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
1109 :     several transform and filter functions operating on text document
1110 :     collections (alias text document databases).
1111 :    
1112 :     * R/aobjects.R: Adapted class structure with inheritance,
1113 :     repositories and additional meta data. Loading files on demand is
1114 :     now possible.
1115 :    
1116 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1117 :    
1118 :     * R/: Some cosmetic cleanups.
1119 :    
1120 :     * inst/: Removed vignette on clustering. That and much more is now
1121 :     described in the JSS paper on text mining. Based upon that
1122 :     article an elaborated vignette will be incorporated in the future.
1123 :    
1124 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1125 :    
1126 :     * R/: Updated generic S4 methods to comply with signature changes
1127 :     in newer versions of R (> 2.3)
1128 :    
1129 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1130 :    
1131 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
1132 :    
1133 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
1134 :    
1135 :     * R/textdoccol.R: Added RIS HTML input format.
1136 :    
1137 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1138 :    
1139 :     * R/textdoccol.R: Removed bug that caused invalid text document
1140 :     collections when handling many input files.
1141 :    
1142 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
1143 :    
1144 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
1145 :     mechanism.
1146 :    
1147 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
1148 :     ReutNews.rda
1149 :    
1150 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
1151 :    
1152 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
1153 :    
1154 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1155 :    
1156 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
1157 :     clustering facilities of this package.
1158 :    
1159 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
1160 :    
1161 :     * R/aobjects.R: Changed package document structure to avoid class
1162 :     dependency problems.
1163 :    
1164 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1165 :    
1166 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
1167 : feinerer 29 data set.
1168 :    
1169 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
1170 : feinerer 28 CMD check textmin" works without errors.
1171 :    
1172 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
1173 :    
1174 :     * src/: Various splits can now be easily created for the
1175 :     Reuters21578 data set.
1176 :    
1177 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1178 :    
1179 : feinerer 799 * Updated documentation
1180 : feinerer 26
1181 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
1182 :    
1183 : feinerer 799 * Wrote R documentation for some classes and methods.
1184 : feinerer 25
1185 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1186 :    
1187 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
1188 :     files. See the questionnaire data/Umfrage.csv for such an example.
1189 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
1190 : feinerer 22
1191 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
1192 : feinerer 21 matrix is now possible.
1193 :    
1194 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1195 :    
1196 :     * R/textdoccol.R: One can build term-document matrices if
1197 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
1198 :     document collection with it.
1199 :    
1200 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
1201 :    
1202 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1203 :    
1204 :     * R/textdoccol.R: We now can read in a whole XML file with several
1205 :     news items.
1206 :    
1207 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1208 :    
1209 :     * R/textdoccol.R: Set up an S4 class for a collection of text
1210 :     documents. A first attempt to read in XML input (like the RCV1
1211 :     set) was made.
1212 :    
1213 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
1214 :     some accessor functions.
1215 :    
1216 :     * data/newsitem.xml: Added this XML file for testing purposes. It
1217 :     contains a single news item from the Reuters Corpus Volume 1
1218 :     (RCV1) XML set.
1219 :    
1220 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1221 :    
1222 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
1223 :     textmatrix as k-means clustering provided by R (kmeans) now works on
1224 :     this textmatrix. The result is a k-means text clustering with a
1225 :     similarity measure based upon word frequences.
1226 :    
1227 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1228 :    
1229 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1230 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1231 :    
1232 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1233 :    
1234 : 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