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

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