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

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