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Revision 1167 - (view) (download)

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

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