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Revision 1194 - (view) (download)

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

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