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Revision 1166 - (view) (download)

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

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