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

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