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1 : feinerer 1292 2014-01-28 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * R/utils.R (map_IETF_Snowball): Process three letter codes.
4 :    
5 : feinerer 1279 2014-01-07 Ingo Feinerer <feinerer@logic.at>
6 :    
7 :     * DESCRIPTION (Version): Prepare for CRAN New Year release.
8 :    
9 :     2014-01-05 Ingo Feinerer <feinerer@logic.at>
10 :    
11 :     * R/matrix.R (findAssocs): Allow multiple and non-existing terms.
12 :     Suggested by Christian Buchta.
13 :    
14 :     * R/source.R (is.Source): New check for valid source.
15 :    
16 :     2013-12-28 Ingo Feinerer <feinerer@logic.at>
17 :    
18 :     * R/matrix.R (findAssocs): Make corlimit inclusive.
19 :    
20 :     2013-09-27 Ingo Feinerer <feinerer@logic.at>
21 :    
22 :     * R/source.R: Allow multiple URIs for URISource.
23 :    
24 :     2013-09-19 Ingo Feinerer <feinerer@logic.at>
25 :    
26 :     * R/source.R (Source): New Source constructor.
27 :    
28 : feinerer 1252 2013-08-26 Ingo Feinerer <feinerer@logic.at>
29 :    
30 :     * R/source.R (DirSource): Report non-existent or non-readable files.
31 :     Suggested by Ajinkya Kale and Milan Bouchet-Valat.
32 :    
33 : feinerer 1242 2013-08-19 Ingo Feinerer <feinerer@logic.at>
34 :    
35 :     * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
36 :     anymore.
37 :    
38 :     * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
39 :     anymore.
40 :    
41 : feinerer 1239 2013-08-09 Ingo Feinerer <feinerer@logic.at>
42 :    
43 :     * DESCRIPTION (License): Changed to GPL-3.
44 :    
45 : feinerer 1234 2013-07-25 Ingo Feinerer <feinerer@logic.at>
46 :    
47 :     * R/complete.R (stemCompletion): Report NA instead of error when no
48 :     completion can be found by the prevalent heuristic. Suggested by Hugh
49 :     Devlin.
50 :    
51 : feinerer 1231 2013-07-10 Ingo Feinerer <feinerer@logic.at>
52 :    
53 :     * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
54 :     command line tool) instead of tools:::pdf_info().
55 :    
56 : feinerer 1216 2013-04-11 Ingo Feinerer <feinerer@logic.at>
57 :    
58 :     * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
59 :     to determine character types.
60 :    
61 : feinerer 1200 2012-12-14 Ingo Feinerer <feinerer@logic.at>
62 :    
63 :     * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
64 :     when generating a simple_triplet_matrix. Reported by Arho Suominen.
65 :    
66 : feinerer 1199 2012-12-10 Ingo Feinerer <feinerer@logic.at>
67 :    
68 :     * man/tm_reduce.Rd: Document right to left folding order. Adapt
69 :     example as well. Suggested by Mark Rosenstein.
70 :    
71 : feinerer 1196 2012-12-04 Ingo Feinerer <feinerer@logic.at>
72 :    
73 :     * R/filter.R (sFilter): Avoid attach() and simplify.
74 :    
75 : feinerer 1194 2012-11-02 Ingo Feinerer <feinerer@logic.at>
76 :    
77 :     * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
78 :     removal of attributes.
79 :    
80 : feinerer 1191 2012-10-03 Ingo Feinerer <feinerer@logic.at>
81 : feinerer 1193
82 : feinerer 1192 * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
83 : feinerer 1191 columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
84 :     Frölich.
85 :    
86 : feinerer 1188 2012-07-27 Ingo Feinerer <feinerer@logic.at>
87 :    
88 :     * R/transform.R (removeWords): Allow longer stopword lists.
89 :    
90 : feinerer 1175 2012-01-31 Ingo Feinerer <feinerer@logic.at>
91 :    
92 :     * R/reader.R (readXML): Readers can now set the document language
93 :     themselves.
94 :    
95 : feinerer 1169 2012-01-14 Ingo Feinerer <feinerer@logic.at>
96 :    
97 :     * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
98 :     proposed by Milan Bouchet-Valat.
99 :    
100 : feinerer 1168 2012-01-11 Ingo Feinerer <feinerer@logic.at>
101 :    
102 :     * R/matrix.R (termFreq): Fix processing of user provided
103 :     stopwords. Reported by Bettina Grün.
104 :    
105 : feinerer 1167 2011-12-23 Ingo Feinerer <feinerer@logic.at>
106 :    
107 :     * R/matrix.R (termFreq): Fix invalid handling of
108 :     control$wordLengths[1]. Reported by Steven C. Bagley.
109 :    
110 : feinerer 1166 2011-12-17 Ingo Feinerer <feinerer@logic.at>
111 :    
112 :     * DESCRIPTION (Version): Prepare for CRAN Christmas release.
113 :    
114 : feinerer 1164 2011-12-12 Ingo Feinerer <feinerer@logic.at>
115 :    
116 :     * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
117 :    
118 : feinerer 1161 2011-12-07 Ingo Feinerer <feinerer@logic.at>
119 :    
120 :     * R/transform.R (removePunctuation): Add option to preserve
121 :     intra-word dashes.
122 :    
123 : feinerer 1159 2011-12-06 Ingo Feinerer <feinerer@logic.at>
124 :    
125 :     * R/matrix.R (termFreq): Allow reordering of control option
126 :     processing.
127 :    
128 : feinerer 1151 2011-11-17 Ingo Feinerer <feinerer@logic.at>
129 :    
130 : feinerer 1155 * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
131 :     pdfinfo tool.
132 :    
133 : feinerer 1153 * inst/stopwords/SMART.dat: Add SMART information retrieval system
134 :     stopwords (which are also used by the MC toolkit).
135 :    
136 : feinerer 1151 * R/matrix (termFreq): Allow local option \code{bounds$local} to
137 :     restrict how often a term may appear in each document (generalizes
138 :     \code{minDocFreq}). Similarly the local option \code{wordLenghts}
139 :     for word length bounds (generalizes \code{minWordLength}).
140 :    
141 :     * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
142 :     \code{bounds$global} for restricting how often a term is allowed
143 :     to appear in different documents.
144 :    
145 :     * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
146 :     local options delegated internally to termFreq() and global
147 :     options which are processed by the term-document matrix
148 :     constructor itself.
149 :    
150 : feinerer 1150 2011-11-15 Ingo Feinerer <feinerer@logic.at>
151 :    
152 :     * man/getTokenizers.Rd: Document getTokenizers().
153 :    
154 :     * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
155 :    
156 : feinerer 1149 2011-11-04 Ingo Feinerer <feinerer@logic.at>
157 :    
158 :     * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
159 :    
160 : feinerer 1150 * man/combine.Rd: Document c.term_frequency().
161 : feinerer 1149
162 : feinerer 1147 2011-10-11 Ingo Feinerer <feinerer@logic.at>
163 :    
164 :     * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
165 :     can be accessed via '[' and not '[['.
166 :    
167 : feinerer 1139 2011-08-24 Ingo Feinerer <feinerer@logic.at>
168 :    
169 :     * R/stopwords.R (stopwords): Raise an error if no stopwords are
170 :     available for requested language. Suggested by Derek M Jones.
171 :    
172 : feinerer 1136 2011-05-27 Ingo Feinerer <feinerer@logic.at>
173 :    
174 :     * R/weight.R (weightSMART): Implement Cosine and pivoted unique
175 :     normalization.
176 :    
177 : feinerer 1121 2011-02-17 Ingo Feinerer <feinerer@logic.at>
178 :    
179 :     * R/transform.R (stemDocument.PlainTextDocument): Use language
180 :     argument.
181 :    
182 : feinerer 1117 2011-02-04 Ingo Feinerer <feinerer@logic.at>
183 :    
184 :     * R/source.R: Store strings and connections instead of unevaluated
185 :     calls.
186 :    
187 : feinerer 1114 2010-11-26 Ingo Feinerer <feinerer@logic.at>
188 :    
189 :     * R/corpus.R (Corpus): Allow init and exit hooks for readers.
190 :    
191 : feinerer 1108 2010-10-22 Ingo Feinerer <feinerer@logic.at>
192 :    
193 :     * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
194 :     (instead of a list element).
195 :    
196 : feinerer 1102 2010-10-16 Ingo Feinerer <feinerer@logic.at>
197 :    
198 :     * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
199 : feinerer 1108 documents by names (fallback to IDs if names are not set).
200 : feinerer 1102
201 : feinerer 1095 2010-08-25 Ingo Feinerer <feinerer@logic.at>
202 :    
203 :     * R/corpus.R (c.Corpus): When concatenating corpora, the argument
204 :     \code{recursive} now determines whether existing corpus meta data
205 :     is used.
206 :    
207 : feinerer 1084 2010-08-06 Ingo Feinerer <feinerer@logic.at>
208 :    
209 :     * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
210 :    
211 : feinerer 1080 2010-06-17 Ingo Feinerer <feinerer@logic.at>
212 :    
213 :     * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
214 :     remove terms not occurring in the corpus anymore.
215 :    
216 : feinerer 1075 2010-06-02 Ingo Feinerer <feinerer@logic.at>
217 :    
218 :     * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
219 :     and Heaps' law.
220 :    
221 : feinerer 1070 2010-05-18 Ingo Feinerer <feinerer@logic.at>
222 :    
223 :     * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
224 :     provided by a source.
225 :    
226 : feinerer 1063 2010-04-09 Ingo Feinerer <feinerer@logic.at>
227 :    
228 :     * R/source.R (.Source): Provide document names.
229 :    
230 : feinerer 1062 2010-04-07 Ingo Feinerer <feinerer@logic.at>
231 :    
232 :     * R/meta.R (`content_or_meta`): Utility function.
233 :    
234 : feinerer 1061 2010-03-19 Ingo Feinerer <feinerer@logic.at>
235 :    
236 :     * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
237 :     TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
238 :    
239 : feinerer 1048 2010-03-03 Ingo Feinerer <feinerer@logic.at>
240 :    
241 : feinerer 1051 * R/weight.R (weightTfIdf): Added normalization option.
242 :    
243 : feinerer 1048 * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
244 :     analysis.
245 :    
246 : feinerer 1046 2010-02-25 Ingo Feinerer <feinerer@logic.at>
247 :    
248 :     * R/score.R (tm_tag_score): Compute a score from the number of
249 :     tags matching in a document.
250 :    
251 : feinerer 1041 2010-02-18 Ingo Feinerer <feinerer@logic.at>
252 :    
253 :     * R/complete.R (stemCompletion): New completion heuristics.
254 :    
255 :     2010-02-17 Ingo Feinerer <feinerer@logic.at>
256 :    
257 :     * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
258 :    
259 : feinerer 1040 2010-02-06 Ingo Feinerer <feinerer@logic.at>
260 :    
261 :     * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
262 :     setOldClass(c(..., "list")) works.
263 :    
264 : feinerer 1039 2010-01-22 Ingo Feinerer <feinerer@logic.at>
265 :    
266 :     * R/transform.R (stemDocument.character): In case input is a
267 :     simple character just delegate to the default Snowball stemmer.
268 :    
269 : feinerer 1038 2010-01-15 Ingo Feinerer <feinerer@logic.at>
270 :    
271 :     * R/reader.R (readReut21578XML, readRCV1): Extract more meta
272 :     data.
273 :    
274 : feinerer 1034 2010-01-12 Ingo Feinerer <feinerer@logic.at>
275 :    
276 :     * R/doc.R (`Content<-`): Be careful with names attribute.
277 :    
278 : stefan7th 1032 2010-01-07 Stefan Theussl <stefan.theussl@wu.ac.at>
279 :    
280 :     * R/source.R (DirSource): Improved implementation especially when
281 : feinerer 1042 handling many (> 1M) files.
282 : stefan7th 1032
283 : feinerer 1029 2009-12-22 Ingo Feinerer <feinerer@logic.at>
284 :    
285 :     * R/source.R (getElem.URISource): Use encoding argument.
286 :    
287 : feinerer 1025 2009-12-11 Ingo Feinerer <feinerer@logic.at>
288 :    
289 :     * R/doc.R (setOldClass): Register S3 document classes to be
290 :     recognized by S4 methods.
291 :    
292 : feinerer 1023 2009-11-25 Ingo Feinerer <feinerer@logic.at>
293 :    
294 :     * R/matrix.R (termFreq): Add option to remove punctuation
295 :     characters.
296 :    
297 : feinerer 1022 2009-11-19 Ingo Feinerer <feinerer@logic.at>
298 :    
299 :     * R/matrix.R (c.TermDocumentMatrix): Added combine method for
300 :     merging multiple term-document matrices.
301 :    
302 : feinerer 1020 2009-11-17 Ingo Feinerer <feinerer@logic.at>
303 :    
304 : feinerer 1021 * R/corpus.R (setOldClass): Register S3 corpus classes to be
305 :     recognized by S4 methods.
306 :    
307 : feinerer 1020 * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
308 :     that CRAN Mac OS X builds do not fail any longer.
309 :    
310 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
311 :    
312 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
313 :     of RWeka:AlphabeticTokenizer() as default.
314 :    
315 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
316 :    
317 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
318 :     caused words at the beginning or the end of a line not to be removed. Do
319 :     not delete whitespace anymore.
320 :    
321 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
322 :    
323 :     * R/source.R (DirSource): Default to working directory if no path
324 :     is specified.
325 :    
326 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
327 :    
328 :     * R/source.R (DirSource): Stop on empty directories.
329 :    
330 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
331 :    
332 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
333 :     named documents.
334 :    
335 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
336 :    
337 :     * R/transform.R (removeWords): Improve regular expressions.
338 :    
339 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
340 :    
341 :     * R/meta.R (DublinCore): Allow lower case tags.
342 :    
343 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
344 :    
345 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
346 :     instead of x$children.
347 :    
348 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
349 :    
350 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
351 :    
352 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
353 :    
354 :     * R/: Use S3 instead of S4 class system.
355 :    
356 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
357 :    
358 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
359 :    
360 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
361 :    
362 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
363 :     postings are basically e-mails with some extra headers.
364 :    
365 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
366 :    
367 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
368 :     removeMultipart, and removeSignature to the tm.plugin.mail package
369 :     since they are mainly utility functions (for handling e-mails) and
370 :     not very framework specific.
371 : feinerer 972
372 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
373 :    
374 :     * man/: Fix documentation.
375 :    
376 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
377 :    
378 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
379 :     plain text document instead of an XML document for texts of the
380 :     Reuters-21578 dataset.
381 :    
382 :     * R/sparse.R: Removed since the slam package is now available on
383 :     CRAN.
384 :    
385 :     * DESCRIPTION (Depends): Add slam package.
386 :    
387 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
388 :    
389 :     * R/transform.R (stemDoc): Fix character(0) handling.
390 :    
391 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
392 :    
393 :     * R/doc.R (show): Pretty print.
394 :    
395 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
396 :    
397 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
398 :     gracefully.
399 :    
400 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
401 :    
402 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
403 :     and permanent storage semantics.
404 :    
405 :     * DESCRIPTION: New major release. A *lot* of improvements.
406 :    
407 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
408 :    
409 :     * NAMESPACE: Export some simple_triplet_matrix functions.
410 :    
411 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
412 :    
413 :     * R/weight.R: Adapt tf-idf to new matrix format.
414 :    
415 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
416 :    
417 :     * R/matrix.R: Create two distinct classes for term-document and
418 :     document-term matrices.
419 :    
420 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
421 :    
422 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
423 :     package start-up time significantly.
424 : feinerer 938
425 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
426 :    
427 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
428 :    
429 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
430 :    
431 :     * R/transform.R (tmReduce): Combine multiple maps into one
432 :     transformation.
433 :    
434 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
435 :    
436 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
437 :     dgCMatrix.
438 :    
439 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
440 :     or TermDocumentMatrix instead.
441 : feinerer 923
442 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
443 :    
444 :     * inst/doc/extensions.Rnw: Finished vignette.
445 :    
446 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
447 :    
448 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
449 :     DocumentTermMatrix representations.
450 :    
451 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
452 :    
453 :     * R/reader.R (readXML): New reader for arbitrary XML files.
454 :    
455 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
456 :    
457 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
458 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
459 :     (Source): New slot Vectorized.
460 : feinerer 910
461 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
462 :    
463 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
464 :     structures which can be customized via user-defined mappings.
465 : feinerer 908
466 : feinerer 905 * R/reader.R: Always use UTC time zone.
467 :    
468 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
469 :    
470 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
471 :    
472 :     * R/reader.R (readDOC): Options can be passed over to antiword.
473 :    
474 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
475 :     pdftotext.
476 :    
477 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
478 :    
479 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
480 :     which are internally passed over to list.files().
481 :    
482 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
483 :    
484 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
485 :    
486 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
487 :    
488 :     * DESCRIPTION: Speed up package loading (via moving packages not
489 :     strictly necessary for normal operation to Suggests instead of
490 :     Depends).
491 :    
492 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
493 :    
494 :     * R/reader.R (readNewsgroup): The date format is now configurable.
495 :    
496 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
497 :    
498 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
499 :    
500 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
501 :    
502 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
503 :    
504 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
505 :    
506 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
507 :    
508 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
509 :    
510 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
511 :    
512 :     * R/source.R (URISource): New source class for a single document.
513 :    
514 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
515 :    
516 :     * R/source.R: Refactoring.
517 :    
518 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
519 :    
520 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
521 :     Rmpi installations more gracefully.
522 :    
523 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
524 :    
525 :     * R/source.R (Source): Add Length slot.
526 :    
527 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
528 :    
529 :     * R/AAA.R: Unify duplicated .onLoad function.
530 :    
531 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
532 :    
533 :     * DESCRIPTION (Suggests): Added Rmpi.
534 :    
535 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
536 :    
537 :     * R/source.R (getElem): Fix 'no visible binding' warning.
538 :    
539 :     * man/WeightFunction.Rd: Fix signature.
540 :    
541 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
542 :    
543 :     * R/weight.R: Introduce name abbreviations for weighting functions.
544 :    
545 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
546 :    
547 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
548 :    
549 :     * R/cluster.R: Provide convenience functions for using a MPI
550 :     cluster.
551 :    
552 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
553 :     available.
554 :    
555 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
556 :     available.
557 :    
558 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
559 :    
560 :     * R/textdoccol.R (lapply): Removed debug print out.
561 :    
562 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
563 :    
564 :     * R/reader.R (readRCV1): Improved meta data extraction from
565 :     Reuters Corpus Volume 1 documents.
566 :    
567 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
568 :    
569 :     * R/transform.R: Ensure that all mappings preserve multiline
570 :     structures.
571 :    
572 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
573 :    
574 :     * R/filter.R: Every filter has now an attribute indicating whether
575 :     it sould be applied to document level (doclevel).
576 :    
577 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
578 :     filter.
579 :    
580 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
581 :    
582 :     * R/transform.R (replacePatterns): Replaced removeWords by
583 :     replacePatterns. Suggested by Christian Buchta.
584 :    
585 :     * R/textdoccol.R (inspect): Improved formatting.
586 :    
587 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
588 :    
589 :     * inst/CITATION: Updated JSS article information.
590 :    
591 :     * R/textdoccol.R (setAs): Added coerce method from list to
592 :     corpus.
593 :    
594 :     * R/meta.R (meta): Improved meta data handling.
595 :    
596 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
597 :    
598 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
599 :     Christian Buchta.
600 :    
601 :     * inst/CITATION: Added template to include JSS article reference.
602 :    
603 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
604 :    
605 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
606 :    
607 : feinerer 832 * R/source.R: Added VectorSource.
608 :    
609 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
610 :    
611 :     * man/: Language codes should be in ISO 639-1 format.
612 :    
613 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
614 :    
615 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
616 :    
617 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
618 :     containing plain text documents to disk.
619 :    
620 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
621 :    
622 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
623 :     always set correctly.
624 :    
625 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
626 :     since in most cases this is the wanted behaviour.
627 :    
628 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
629 :    
630 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
631 :    
632 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
633 :    
634 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
635 :    
636 :     * R/meta.R (meta): New function for consistent access to meta data
637 :     of document collections, repositories, and texts.
638 :    
639 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
640 :    
641 :     * R/: Better support for encodings.
642 :    
643 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
644 :    
645 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
646 :     selection when no reader argument is given.
647 :    
648 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
649 :    
650 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
651 :     internally.
652 :    
653 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
654 :    
655 :     * R/reader.R (getReaders): Returns available reader functions.
656 :    
657 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
658 :     as default.
659 :    
660 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
661 :    
662 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
663 :     variable warnings.
664 :    
665 :     * man/: Documentation for showMeta, added an example for tmMap.
666 :    
667 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
668 :     some minor typos fixed.
669 :    
670 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
671 :    
672 :     * R/aobjects.R (showMeta): Added method for pretty printing a
673 :     text document's meta data.
674 :    
675 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
676 :    
677 :     * R/textdoccol.R (TextDocCol): Better handling of empty
678 :     arguments.
679 :    
680 :     * NAMESPACE: Exported readDOC.
681 :    
682 : feinerer 800 * man/completeStems.Rd: Added an example.
683 :    
684 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
685 : feinerer 796
686 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
687 :     call. Allows users to modify stopword .dat files interactively.
688 :    
689 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
690 :    
691 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
692 :     documents.
693 :    
694 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
695 :    
696 :     * man/: Updated documentation.
697 :    
698 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
699 :    
700 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
701 :     stems.
702 :    
703 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
704 :     constructor.
705 :    
706 :     * NAMESPACE: Exported termFreq.
707 :    
708 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
709 :    
710 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
711 :    
712 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
713 :    
714 :     * R/weight.R: Weighting functions for TermDocMatrix.
715 :    
716 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
717 :    
718 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
719 :     functions for accessing dimension, column, and row names.
720 :    
721 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
722 :    
723 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
724 :    
725 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
726 :    
727 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
728 :    
729 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
730 :    
731 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
732 :    
733 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
734 :     pdfinfo. The system call gives a warning anyway.
735 :    
736 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
737 :    
738 :     * R/textdoccol.R (asPlain): Conversion from
739 :     StructuredTextDocuments to PlainTextDocuments.
740 :    
741 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
742 :    
743 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
744 :     for accessing term-document matrices.
745 :    
746 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
747 :     are installed.
748 :    
749 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
750 :    
751 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
752 :     Christian Buchta.
753 :    
754 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
755 :    
756 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
757 :    
758 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
759 :    
760 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
761 :    
762 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
763 :    
764 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
765 :    
766 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
767 :    
768 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
769 :    
770 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
771 :    
772 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
773 :    
774 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
775 :    
776 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
777 :     package cba by new dist call from package proxy.
778 :    
779 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
780 :    
781 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
782 :    
783 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
784 :    
785 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
786 :     loading messages.
787 :    
788 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
789 :    
790 :     * R/dictionary.R: Added dictionary support.
791 :    
792 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
793 :    
794 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
795 :     documents. This simplifies some functions, e.g., asPlain.
796 :    
797 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
798 :    
799 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
800 :    
801 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
802 :    
803 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
804 :     words by a single word. Useful for synonyms.
805 :    
806 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
807 :    
808 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
809 :    
810 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
811 :    
812 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
813 :     vectors. Thanks to Ariel Maguyon for his error report.
814 :     (removeSparseTerms): New function to remove columns from a
815 :     term-document matrix exceeding a sparse factor.
816 :    
817 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
818 :    
819 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
820 :    
821 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
822 :    
823 :     * man/sFilter.Rd: Corrected documentation on statement format (use
824 :     '==' instead of '=').
825 :    
826 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
827 :    
828 :     * R/aobjects.R (StructuredTextDocument): Inherits from
829 :     TextDocument.
830 :    
831 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
832 :    
833 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
834 :     on sparse matrices as proposed by Martin Maechler.
835 :    
836 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
837 :    
838 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
839 :     \pkg{filehash} version makes them deprecated.
840 :    
841 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
842 :    
843 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
844 :     erasing stopwords.
845 :     (weightMatrix): Adapted to handle sparse matrices.
846 :     (TermDocMatrix): Sparse matrix is now efficiently built by
847 :     direct stepwise insertion of row values into it.
848 :    
849 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
850 :    
851 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
852 :     due to ongoing problems. For our purposes the latter is as useful
853 :     as the replaced package.
854 :    
855 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
856 :    
857 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
858 :    
859 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
860 :    
861 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
862 :    
863 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
864 :     languages with available stopwords.
865 :    
866 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
867 :    
868 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
869 :    
870 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
871 :    
872 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
873 :     have been integrated.
874 : feinerer 731
875 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
876 :     for various other languages.
877 :    
878 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
879 :    
880 : feinerer 730 * man/: Updated documentation.
881 :    
882 : feinerer 729 * Work/testDb.R: Script to test database stuff.
883 :    
884 :     * R/: Fixed various database related bugs. Seems to be rather
885 :     useable now, i.e., consider as alpha status for now.
886 :    
887 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
888 :    
889 :     * R/: Fixed some bugs related to database support.
890 :    
891 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
892 :    
893 :     * man/: Added a lot of examples to the manuals.
894 :    
895 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
896 :    
897 :     * man/: Updated parts of the documentation.
898 :    
899 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
900 :     documents to plain text documents.
901 :    
902 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
903 :    
904 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
905 :     intensively tested.
906 :    
907 : feinerer 723 * R/source.R: Now each source has a default reader.
908 :    
909 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
910 :     class anymore.
911 :    
912 :     * R/plaintextdoc.R: Custom show method for plain text documents.
913 :    
914 :     * R/aobjects.R: Added a class for structured text documents.
915 :    
916 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
917 :     \code{reader}.
918 :    
919 :     * R/textdoccol.R (summary): Indent tags.
920 :    
921 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
922 : feinerer 722 punctuation marks.
923 :    
924 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
925 :    
926 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
927 :     using prescindMeta().
928 :    
929 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
930 :    
931 :     * R/textdoccol.R: Improved database support.
932 :    
933 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
934 :    
935 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
936 :    
937 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
938 :     language code.
939 :    
940 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
941 :     into parserControl argument.
942 :    
943 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
944 :    
945 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
946 :    
947 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
948 :     created on the fly.
949 :    
950 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
951 :     a given language (English, German and French at the moment)
952 :    
953 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
954 :     otherwise falls back to Snowball package.
955 :    
956 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
957 :    
958 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
959 :     by "dists" from package "cba" can be used.
960 :    
961 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
962 :    
963 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
964 :     to Kurt's latex suggestion. Removed points and underscores in
965 :     variable names for consistent naming.
966 :    
967 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
968 :    
969 :     * man/TextRepository.Rd: Fixed bug in documentation.
970 :    
971 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
972 :    
973 :     * DESCRIPTION: Update to version 0.1-1.
974 :    
975 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
976 :    
977 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
978 :     wordStem.
979 :    
980 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
981 :    
982 :     * R/: Changes due to Kurt's review.
983 :    
984 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
985 :    
986 :     * R/: Implemented improvements based upon comments by David
987 :     Meyer.
988 :    
989 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
990 :    
991 :     * inst/doc/: Rewrote vignette.
992 :    
993 :     * man/: Improved documentation.
994 :    
995 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
996 :    
997 :     * man/: Updated documentation.
998 :    
999 :     * DESCRIPTION: Changed package name to "tm". Updated version to
1000 :     0.1 for first CRAN release.
1001 :    
1002 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
1003 :     list archive example.
1004 :    
1005 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
1006 :     archive example.
1007 :    
1008 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
1009 :     from (several mails per box) mbox format to (single mail per file)
1010 :     eml format.
1011 :    
1012 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1013 :    
1014 :     * data/crude.rda: Rebuilt.
1015 :    
1016 :     * data/acq.rda: Rebuilt.
1017 :    
1018 :     * R/reader.R: Factored out reader and parser methods from
1019 :     textdoccol.R.
1020 :    
1021 :     * R/source.R: Factored out Source methods from aobjects.R and
1022 :     textdoccol.R.
1023 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
1024 :     feeds.
1025 :    
1026 :     * R/textdoccol.R (DirSource): Added support for recursive
1027 :     traversal of directories.
1028 :    
1029 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1030 :    
1031 :     * R/textdoccol.R ([[): Loads the document corpus automatically
1032 :     into memory upon access.
1033 :     (tm_transform, tm_filter): Removed several checks whether the
1034 :     document is already loaded ([[ ensures this now).
1035 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
1036 :     mailing list archive.
1037 :    
1038 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1039 :    
1040 :     * R/aobjects.R (TextDocument): Is now a virtual class.
1041 :     (Source): Is now a virtual class.
1042 :    
1043 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1044 :    
1045 :     * R/textdoccol.R (c): Support for an arbitrary number of document
1046 :     collections.
1047 :    
1048 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1049 :    
1050 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
1051 :     append_meta and remove_meta.
1052 :    
1053 :     * R/textdoccol.R: Removed modify_metadata method.
1054 :    
1055 :     * R/textrepo.R: Removed modify_metadata method.
1056 :    
1057 :     * R/textdoccol.R (remove_meta): Supports removal of document
1058 :     collection metadata and document (= in data frame) metadata.
1059 :    
1060 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
1061 :    
1062 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
1063 :    
1064 :     * data/crude.rda: Rebuilt.
1065 :    
1066 :     * data/acq.rda: Rebuilt.
1067 :    
1068 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
1069 :    
1070 :     * R/textdoccol.R ([): Bug fix for subsetting a document
1071 :     collection's data frame.
1072 :    
1073 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1074 :    
1075 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
1076 :     to s_filter.
1077 :    
1078 :     * R/textdoccol.R: Local text documents' metadata can now be copied
1079 :     to a document collection's data frame with prescind_meta.
1080 :    
1081 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1082 :    
1083 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
1084 :    
1085 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
1086 :    
1087 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
1088 :    
1089 :     * R/: Various fixes in handling metadata.
1090 :    
1091 :     * R/: Added update mechanism for text document collections.
1092 :    
1093 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1094 :    
1095 :     * R/: Merging of document collections now creates a binary tree
1096 :     for reconstructing merged document collections.
1097 :    
1098 :     * R/: Redesign of metadata for document collections.
1099 :    
1100 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1101 :    
1102 :     * R/: Messages now use \code{ngettext}.
1103 :    
1104 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1105 :    
1106 :     * R/: Added functions for modifying and removing metadata.
1107 :    
1108 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1109 :    
1110 :     * man/: Updated some documentation.
1111 :    
1112 :     * R/: Corrected some connection issues.
1113 :    
1114 :     * inst/doc: Worked on the vignette.
1115 :    
1116 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
1117 :    
1118 : feinerer 66 * inst/: Added texts and started vignette.
1119 :    
1120 : feinerer 65 * R/: Final changes based upon David's comments.
1121 :    
1122 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
1123 :    
1124 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
1125 :     directives!).
1126 :    
1127 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1128 :    
1129 :     * R/: Modified the TextDocCol constructur and various parsers. It
1130 :     is now modular and supports various file formats via plugins (see
1131 :     the new "Source" class).
1132 :    
1133 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1134 :    
1135 :     * man/: Revised documentation after previous code changes.
1136 :    
1137 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
1138 :    
1139 :     * R/: Remaining changes as discussed with David.
1140 :    
1141 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1142 :    
1143 :     * R/: Some changes as suggested by David. The rest will follow
1144 :     within the next days.
1145 :    
1146 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1147 :    
1148 :     * man/: Finished documentation.
1149 :    
1150 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
1151 :    
1152 :     * man/: Wrote some documentation.
1153 :    
1154 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1155 :    
1156 :     * R/: Further syntactic sugar in form of additional assignment and
1157 :     accessor methods.
1158 :    
1159 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1160 :    
1161 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
1162 : feinerer 56 operators.
1163 : feinerer 54
1164 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1165 :    
1166 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
1167 :     and dissimilarities.
1168 :    
1169 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1170 :    
1171 :     * R/: Added similarity functions.
1172 :    
1173 :     * data/: Added english stopwords.
1174 :    
1175 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1176 :    
1177 : feinerer 51 * data/: Examples compiled for new features
1178 :    
1179 :     * R/: Changes due to new structure.
1180 :    
1181 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
1182 :    
1183 :     * R/termdocmatrix.R: Adapted for new naming scheme.
1184 :    
1185 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1186 :    
1187 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
1188 :     several transform and filter functions operating on text document
1189 :     collections (alias text document databases).
1190 :    
1191 :     * R/aobjects.R: Adapted class structure with inheritance,
1192 :     repositories and additional meta data. Loading files on demand is
1193 :     now possible.
1194 :    
1195 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1196 :    
1197 :     * R/: Some cosmetic cleanups.
1198 :    
1199 :     * inst/: Removed vignette on clustering. That and much more is now
1200 :     described in the JSS paper on text mining. Based upon that
1201 :     article an elaborated vignette will be incorporated in the future.
1202 :    
1203 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1204 :    
1205 :     * R/: Updated generic S4 methods to comply with signature changes
1206 :     in newer versions of R (> 2.3)
1207 :    
1208 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1209 :    
1210 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
1211 :    
1212 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
1213 :    
1214 :     * R/textdoccol.R: Added RIS HTML input format.
1215 :    
1216 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1217 :    
1218 :     * R/textdoccol.R: Removed bug that caused invalid text document
1219 :     collections when handling many input files.
1220 :    
1221 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
1222 :    
1223 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
1224 :     mechanism.
1225 :    
1226 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
1227 :     ReutNews.rda
1228 :    
1229 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
1230 :    
1231 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
1232 :    
1233 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1234 :    
1235 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
1236 :     clustering facilities of this package.
1237 :    
1238 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
1239 :    
1240 :     * R/aobjects.R: Changed package document structure to avoid class
1241 :     dependency problems.
1242 :    
1243 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1244 :    
1245 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
1246 : feinerer 29 data set.
1247 :    
1248 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
1249 : feinerer 28 CMD check textmin" works without errors.
1250 :    
1251 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
1252 :    
1253 :     * src/: Various splits can now be easily created for the
1254 :     Reuters21578 data set.
1255 :    
1256 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1257 :    
1258 : feinerer 799 * Updated documentation
1259 : feinerer 26
1260 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
1261 :    
1262 : feinerer 799 * Wrote R documentation for some classes and methods.
1263 : feinerer 25
1264 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1265 :    
1266 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
1267 :     files. See the questionnaire data/Umfrage.csv for such an example.
1268 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
1269 : feinerer 22
1270 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
1271 : feinerer 21 matrix is now possible.
1272 :    
1273 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1274 :    
1275 :     * R/textdoccol.R: One can build term-document matrices if
1276 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
1277 :     document collection with it.
1278 :    
1279 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
1280 :    
1281 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1282 :    
1283 :     * R/textdoccol.R: We now can read in a whole XML file with several
1284 :     news items.
1285 :    
1286 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1287 :    
1288 :     * R/textdoccol.R: Set up an S4 class for a collection of text
1289 :     documents. A first attempt to read in XML input (like the RCV1
1290 :     set) was made.
1291 :    
1292 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
1293 :     some accessor functions.
1294 :    
1295 :     * data/newsitem.xml: Added this XML file for testing purposes. It
1296 :     contains a single news item from the Reuters Corpus Volume 1
1297 :     (RCV1) XML set.
1298 :    
1299 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1300 :    
1301 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
1302 :     textmatrix as k-means clustering provided by R (kmeans) now works on
1303 :     this textmatrix. The result is a k-means text clustering with a
1304 :     similarity measure based upon word frequences.
1305 :    
1306 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1307 :    
1308 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1309 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1310 :    
1311 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1312 :    
1313 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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