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1 : feinerer 1216 2013-04-11 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
4 :     to determine character types.
5 :    
6 : feinerer 1200 2012-12-14 Ingo Feinerer <feinerer@logic.at>
7 :    
8 :     * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
9 :     when generating a simple_triplet_matrix. Reported by Arho Suominen.
10 :    
11 : feinerer 1199 2012-12-10 Ingo Feinerer <feinerer@logic.at>
12 :    
13 :     * man/tm_reduce.Rd: Document right to left folding order. Adapt
14 :     example as well. Suggested by Mark Rosenstein.
15 :    
16 : feinerer 1196 2012-12-04 Ingo Feinerer <feinerer@logic.at>
17 :    
18 :     * R/filter.R (sFilter): Avoid attach() and simplify.
19 :    
20 : feinerer 1194 2012-11-02 Ingo Feinerer <feinerer@logic.at>
21 :    
22 :     * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
23 :     removal of attributes.
24 :    
25 : feinerer 1191 2012-10-03 Ingo Feinerer <feinerer@logic.at>
26 : feinerer 1193
27 : feinerer 1192 * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
28 : feinerer 1191 columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
29 :     Frölich.
30 :    
31 : feinerer 1188 2012-07-27 Ingo Feinerer <feinerer@logic.at>
32 :    
33 :     * R/transform.R (removeWords): Allow longer stopword lists.
34 :    
35 : feinerer 1175 2012-01-31 Ingo Feinerer <feinerer@logic.at>
36 :    
37 :     * R/reader.R (readXML): Readers can now set the document language
38 :     themselves.
39 :    
40 : feinerer 1169 2012-01-14 Ingo Feinerer <feinerer@logic.at>
41 :    
42 :     * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
43 :     proposed by Milan Bouchet-Valat.
44 :    
45 : feinerer 1168 2012-01-11 Ingo Feinerer <feinerer@logic.at>
46 :    
47 :     * R/matrix.R (termFreq): Fix processing of user provided
48 :     stopwords. Reported by Bettina Grün.
49 :    
50 : feinerer 1167 2011-12-23 Ingo Feinerer <feinerer@logic.at>
51 :    
52 :     * R/matrix.R (termFreq): Fix invalid handling of
53 :     control$wordLengths[1]. Reported by Steven C. Bagley.
54 :    
55 : feinerer 1166 2011-12-17 Ingo Feinerer <feinerer@logic.at>
56 :    
57 :     * DESCRIPTION (Version): Prepare for CRAN Christmas release.
58 :    
59 : feinerer 1164 2011-12-12 Ingo Feinerer <feinerer@logic.at>
60 :    
61 :     * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
62 :    
63 : feinerer 1161 2011-12-07 Ingo Feinerer <feinerer@logic.at>
64 :    
65 :     * R/transform.R (removePunctuation): Add option to preserve
66 :     intra-word dashes.
67 :    
68 : feinerer 1159 2011-12-06 Ingo Feinerer <feinerer@logic.at>
69 :    
70 :     * R/matrix.R (termFreq): Allow reordering of control option
71 :     processing.
72 :    
73 : feinerer 1151 2011-11-17 Ingo Feinerer <feinerer@logic.at>
74 :    
75 : feinerer 1155 * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
76 :     pdfinfo tool.
77 :    
78 : feinerer 1153 * inst/stopwords/SMART.dat: Add SMART information retrieval system
79 :     stopwords (which are also used by the MC toolkit).
80 :    
81 : feinerer 1151 * R/matrix (termFreq): Allow local option \code{bounds$local} to
82 :     restrict how often a term may appear in each document (generalizes
83 :     \code{minDocFreq}). Similarly the local option \code{wordLenghts}
84 :     for word length bounds (generalizes \code{minWordLength}).
85 :    
86 :     * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
87 :     \code{bounds$global} for restricting how often a term is allowed
88 :     to appear in different documents.
89 :    
90 :     * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
91 :     local options delegated internally to termFreq() and global
92 :     options which are processed by the term-document matrix
93 :     constructor itself.
94 :    
95 : feinerer 1150 2011-11-15 Ingo Feinerer <feinerer@logic.at>
96 :    
97 :     * man/getTokenizers.Rd: Document getTokenizers().
98 :    
99 :     * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
100 :    
101 : feinerer 1149 2011-11-04 Ingo Feinerer <feinerer@logic.at>
102 :    
103 :     * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
104 :    
105 : feinerer 1150 * man/combine.Rd: Document c.term_frequency().
106 : feinerer 1149
107 : feinerer 1147 2011-10-11 Ingo Feinerer <feinerer@logic.at>
108 :    
109 :     * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
110 :     can be accessed via '[' and not '[['.
111 :    
112 : feinerer 1139 2011-08-24 Ingo Feinerer <feinerer@logic.at>
113 :    
114 :     * R/stopwords.R (stopwords): Raise an error if no stopwords are
115 :     available for requested language. Suggested by Derek M Jones.
116 :    
117 : feinerer 1136 2011-05-27 Ingo Feinerer <feinerer@logic.at>
118 :    
119 :     * R/weight.R (weightSMART): Implement Cosine and pivoted unique
120 :     normalization.
121 :    
122 : feinerer 1121 2011-02-17 Ingo Feinerer <feinerer@logic.at>
123 :    
124 :     * R/transform.R (stemDocument.PlainTextDocument): Use language
125 :     argument.
126 :    
127 : feinerer 1117 2011-02-04 Ingo Feinerer <feinerer@logic.at>
128 :    
129 :     * R/source.R: Store strings and connections instead of unevaluated
130 :     calls.
131 :    
132 : feinerer 1114 2010-11-26 Ingo Feinerer <feinerer@logic.at>
133 :    
134 :     * R/corpus.R (Corpus): Allow init and exit hooks for readers.
135 :    
136 : feinerer 1108 2010-10-22 Ingo Feinerer <feinerer@logic.at>
137 :    
138 :     * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
139 :     (instead of a list element).
140 :    
141 : feinerer 1102 2010-10-16 Ingo Feinerer <feinerer@logic.at>
142 :    
143 :     * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
144 : feinerer 1108 documents by names (fallback to IDs if names are not set).
145 : feinerer 1102
146 : feinerer 1095 2010-08-25 Ingo Feinerer <feinerer@logic.at>
147 :    
148 :     * R/corpus.R (c.Corpus): When concatenating corpora, the argument
149 :     \code{recursive} now determines whether existing corpus meta data
150 :     is used.
151 :    
152 : feinerer 1084 2010-08-06 Ingo Feinerer <feinerer@logic.at>
153 :    
154 :     * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
155 :    
156 : feinerer 1080 2010-06-17 Ingo Feinerer <feinerer@logic.at>
157 :    
158 :     * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
159 :     remove terms not occurring in the corpus anymore.
160 :    
161 : feinerer 1075 2010-06-02 Ingo Feinerer <feinerer@logic.at>
162 :    
163 :     * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
164 :     and Heaps' law.
165 :    
166 : feinerer 1070 2010-05-18 Ingo Feinerer <feinerer@logic.at>
167 :    
168 :     * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
169 :     provided by a source.
170 :    
171 : feinerer 1063 2010-04-09 Ingo Feinerer <feinerer@logic.at>
172 :    
173 :     * R/source.R (.Source): Provide document names.
174 :    
175 : feinerer 1062 2010-04-07 Ingo Feinerer <feinerer@logic.at>
176 :    
177 :     * R/meta.R (`content_or_meta`): Utility function.
178 :    
179 : feinerer 1061 2010-03-19 Ingo Feinerer <feinerer@logic.at>
180 :    
181 :     * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
182 :     TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
183 :    
184 : feinerer 1048 2010-03-03 Ingo Feinerer <feinerer@logic.at>
185 :    
186 : feinerer 1051 * R/weight.R (weightTfIdf): Added normalization option.
187 :    
188 : feinerer 1048 * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
189 :     analysis.
190 :    
191 : feinerer 1046 2010-02-25 Ingo Feinerer <feinerer@logic.at>
192 :    
193 :     * R/score.R (tm_tag_score): Compute a score from the number of
194 :     tags matching in a document.
195 :    
196 : feinerer 1041 2010-02-18 Ingo Feinerer <feinerer@logic.at>
197 :    
198 :     * R/complete.R (stemCompletion): New completion heuristics.
199 :    
200 :     2010-02-17 Ingo Feinerer <feinerer@logic.at>
201 :    
202 :     * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
203 :    
204 : feinerer 1040 2010-02-06 Ingo Feinerer <feinerer@logic.at>
205 :    
206 :     * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
207 :     setOldClass(c(..., "list")) works.
208 :    
209 : feinerer 1039 2010-01-22 Ingo Feinerer <feinerer@logic.at>
210 :    
211 :     * R/transform.R (stemDocument.character): In case input is a
212 :     simple character just delegate to the default Snowball stemmer.
213 :    
214 : feinerer 1038 2010-01-15 Ingo Feinerer <feinerer@logic.at>
215 :    
216 :     * R/reader.R (readReut21578XML, readRCV1): Extract more meta
217 :     data.
218 :    
219 : feinerer 1034 2010-01-12 Ingo Feinerer <feinerer@logic.at>
220 :    
221 :     * R/doc.R (`Content<-`): Be careful with names attribute.
222 :    
223 : stefan7th 1032 2010-01-07 Stefan Theussl <stefan.theussl@wu.ac.at>
224 :    
225 :     * R/source.R (DirSource): Improved implementation especially when
226 : feinerer 1042 handling many (> 1M) files.
227 : stefan7th 1032
228 : feinerer 1029 2009-12-22 Ingo Feinerer <feinerer@logic.at>
229 :    
230 :     * R/source.R (getElem.URISource): Use encoding argument.
231 :    
232 : feinerer 1025 2009-12-11 Ingo Feinerer <feinerer@logic.at>
233 :    
234 :     * R/doc.R (setOldClass): Register S3 document classes to be
235 :     recognized by S4 methods.
236 :    
237 : feinerer 1023 2009-11-25 Ingo Feinerer <feinerer@logic.at>
238 :    
239 :     * R/matrix.R (termFreq): Add option to remove punctuation
240 :     characters.
241 :    
242 : feinerer 1022 2009-11-19 Ingo Feinerer <feinerer@logic.at>
243 :    
244 :     * R/matrix.R (c.TermDocumentMatrix): Added combine method for
245 :     merging multiple term-document matrices.
246 :    
247 : feinerer 1020 2009-11-17 Ingo Feinerer <feinerer@logic.at>
248 :    
249 : feinerer 1021 * R/corpus.R (setOldClass): Register S3 corpus classes to be
250 :     recognized by S4 methods.
251 :    
252 : feinerer 1020 * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
253 :     that CRAN Mac OS X builds do not fail any longer.
254 :    
255 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
256 :    
257 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
258 :     of RWeka:AlphabeticTokenizer() as default.
259 :    
260 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
261 :    
262 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
263 :     caused words at the beginning or the end of a line not to be removed. Do
264 :     not delete whitespace anymore.
265 :    
266 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
267 :    
268 :     * R/source.R (DirSource): Default to working directory if no path
269 :     is specified.
270 :    
271 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
272 :    
273 :     * R/source.R (DirSource): Stop on empty directories.
274 :    
275 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
276 :    
277 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
278 :     named documents.
279 :    
280 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
281 :    
282 :     * R/transform.R (removeWords): Improve regular expressions.
283 :    
284 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
285 :    
286 :     * R/meta.R (DublinCore): Allow lower case tags.
287 :    
288 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
289 :    
290 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
291 :     instead of x$children.
292 :    
293 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
294 :    
295 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
296 :    
297 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
298 :    
299 :     * R/: Use S3 instead of S4 class system.
300 :    
301 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
302 :    
303 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
304 :    
305 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
306 :    
307 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
308 :     postings are basically e-mails with some extra headers.
309 :    
310 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
311 :    
312 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
313 :     removeMultipart, and removeSignature to the tm.plugin.mail package
314 :     since they are mainly utility functions (for handling e-mails) and
315 :     not very framework specific.
316 : feinerer 972
317 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
318 :    
319 :     * man/: Fix documentation.
320 :    
321 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
322 :    
323 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
324 :     plain text document instead of an XML document for texts of the
325 :     Reuters-21578 dataset.
326 :    
327 :     * R/sparse.R: Removed since the slam package is now available on
328 :     CRAN.
329 :    
330 :     * DESCRIPTION (Depends): Add slam package.
331 :    
332 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
333 :    
334 :     * R/transform.R (stemDoc): Fix character(0) handling.
335 :    
336 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
337 :    
338 :     * R/doc.R (show): Pretty print.
339 :    
340 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
341 :    
342 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
343 :     gracefully.
344 :    
345 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
346 :    
347 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
348 :     and permanent storage semantics.
349 :    
350 :     * DESCRIPTION: New major release. A *lot* of improvements.
351 :    
352 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
353 :    
354 :     * NAMESPACE: Export some simple_triplet_matrix functions.
355 :    
356 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
357 :    
358 :     * R/weight.R: Adapt tf-idf to new matrix format.
359 :    
360 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
361 :    
362 :     * R/matrix.R: Create two distinct classes for term-document and
363 :     document-term matrices.
364 :    
365 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
366 :    
367 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
368 :     package start-up time significantly.
369 : feinerer 938
370 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
371 :    
372 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
373 :    
374 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
375 :    
376 :     * R/transform.R (tmReduce): Combine multiple maps into one
377 :     transformation.
378 :    
379 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
380 :    
381 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
382 :     dgCMatrix.
383 :    
384 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
385 :     or TermDocumentMatrix instead.
386 : feinerer 923
387 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
388 :    
389 :     * inst/doc/extensions.Rnw: Finished vignette.
390 :    
391 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
392 :    
393 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
394 :     DocumentTermMatrix representations.
395 :    
396 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
397 :    
398 :     * R/reader.R (readXML): New reader for arbitrary XML files.
399 :    
400 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
401 :    
402 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
403 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
404 :     (Source): New slot Vectorized.
405 : feinerer 910
406 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
407 :    
408 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
409 :     structures which can be customized via user-defined mappings.
410 : feinerer 908
411 : feinerer 905 * R/reader.R: Always use UTC time zone.
412 :    
413 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
414 :    
415 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
416 :    
417 :     * R/reader.R (readDOC): Options can be passed over to antiword.
418 :    
419 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
420 :     pdftotext.
421 :    
422 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
423 :    
424 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
425 :     which are internally passed over to list.files().
426 :    
427 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
428 :    
429 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
430 :    
431 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
432 :    
433 :     * DESCRIPTION: Speed up package loading (via moving packages not
434 :     strictly necessary for normal operation to Suggests instead of
435 :     Depends).
436 :    
437 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
438 :    
439 :     * R/reader.R (readNewsgroup): The date format is now configurable.
440 :    
441 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
442 :    
443 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
444 :    
445 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
446 :    
447 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
448 :    
449 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
450 :    
451 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
452 :    
453 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
454 :    
455 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
456 :    
457 :     * R/source.R (URISource): New source class for a single document.
458 :    
459 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
460 :    
461 :     * R/source.R: Refactoring.
462 :    
463 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
464 :    
465 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
466 :     Rmpi installations more gracefully.
467 :    
468 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
469 :    
470 :     * R/source.R (Source): Add Length slot.
471 :    
472 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
473 :    
474 :     * R/AAA.R: Unify duplicated .onLoad function.
475 :    
476 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
477 :    
478 :     * DESCRIPTION (Suggests): Added Rmpi.
479 :    
480 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
481 :    
482 :     * R/source.R (getElem): Fix 'no visible binding' warning.
483 :    
484 :     * man/WeightFunction.Rd: Fix signature.
485 :    
486 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
487 :    
488 :     * R/weight.R: Introduce name abbreviations for weighting functions.
489 :    
490 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
491 :    
492 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
493 :    
494 :     * R/cluster.R: Provide convenience functions for using a MPI
495 :     cluster.
496 :    
497 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
498 :     available.
499 :    
500 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
501 :     available.
502 :    
503 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
504 :    
505 :     * R/textdoccol.R (lapply): Removed debug print out.
506 :    
507 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
508 :    
509 :     * R/reader.R (readRCV1): Improved meta data extraction from
510 :     Reuters Corpus Volume 1 documents.
511 :    
512 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
513 :    
514 :     * R/transform.R: Ensure that all mappings preserve multiline
515 :     structures.
516 :    
517 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
518 :    
519 :     * R/filter.R: Every filter has now an attribute indicating whether
520 :     it sould be applied to document level (doclevel).
521 :    
522 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
523 :     filter.
524 :    
525 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
526 :    
527 :     * R/transform.R (replacePatterns): Replaced removeWords by
528 :     replacePatterns. Suggested by Christian Buchta.
529 :    
530 :     * R/textdoccol.R (inspect): Improved formatting.
531 :    
532 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
533 :    
534 :     * inst/CITATION: Updated JSS article information.
535 :    
536 :     * R/textdoccol.R (setAs): Added coerce method from list to
537 :     corpus.
538 :    
539 :     * R/meta.R (meta): Improved meta data handling.
540 :    
541 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
542 :    
543 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
544 :     Christian Buchta.
545 :    
546 :     * inst/CITATION: Added template to include JSS article reference.
547 :    
548 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
549 :    
550 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
551 :    
552 : feinerer 832 * R/source.R: Added VectorSource.
553 :    
554 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
555 :    
556 :     * man/: Language codes should be in ISO 639-1 format.
557 :    
558 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
559 :    
560 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
561 :    
562 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
563 :     containing plain text documents to disk.
564 :    
565 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
566 :    
567 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
568 :     always set correctly.
569 :    
570 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
571 :     since in most cases this is the wanted behaviour.
572 :    
573 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
574 :    
575 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
576 :    
577 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
578 :    
579 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
580 :    
581 :     * R/meta.R (meta): New function for consistent access to meta data
582 :     of document collections, repositories, and texts.
583 :    
584 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
585 :    
586 :     * R/: Better support for encodings.
587 :    
588 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
589 :    
590 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
591 :     selection when no reader argument is given.
592 :    
593 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
594 :    
595 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
596 :     internally.
597 :    
598 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
599 :    
600 :     * R/reader.R (getReaders): Returns available reader functions.
601 :    
602 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
603 :     as default.
604 :    
605 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
606 :    
607 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
608 :     variable warnings.
609 :    
610 :     * man/: Documentation for showMeta, added an example for tmMap.
611 :    
612 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
613 :     some minor typos fixed.
614 :    
615 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
616 :    
617 :     * R/aobjects.R (showMeta): Added method for pretty printing a
618 :     text document's meta data.
619 :    
620 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
621 :    
622 :     * R/textdoccol.R (TextDocCol): Better handling of empty
623 :     arguments.
624 :    
625 :     * NAMESPACE: Exported readDOC.
626 :    
627 : feinerer 800 * man/completeStems.Rd: Added an example.
628 :    
629 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
630 : feinerer 796
631 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
632 :     call. Allows users to modify stopword .dat files interactively.
633 :    
634 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
635 :    
636 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
637 :     documents.
638 :    
639 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
640 :    
641 :     * man/: Updated documentation.
642 :    
643 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
644 :    
645 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
646 :     stems.
647 :    
648 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
649 :     constructor.
650 :    
651 :     * NAMESPACE: Exported termFreq.
652 :    
653 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
654 :    
655 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
656 :    
657 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
658 :    
659 :     * R/weight.R: Weighting functions for TermDocMatrix.
660 :    
661 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
662 :    
663 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
664 :     functions for accessing dimension, column, and row names.
665 :    
666 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
667 :    
668 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
669 :    
670 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
671 :    
672 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
673 :    
674 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
675 :    
676 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
677 :    
678 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
679 :     pdfinfo. The system call gives a warning anyway.
680 :    
681 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
682 :    
683 :     * R/textdoccol.R (asPlain): Conversion from
684 :     StructuredTextDocuments to PlainTextDocuments.
685 :    
686 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
687 :    
688 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
689 :     for accessing term-document matrices.
690 :    
691 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
692 :     are installed.
693 :    
694 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
695 :    
696 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
697 :     Christian Buchta.
698 :    
699 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
700 :    
701 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
702 :    
703 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
704 :    
705 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
706 :    
707 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
708 :    
709 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
710 :    
711 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
712 :    
713 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
714 :    
715 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
716 :    
717 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
718 :    
719 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
720 :    
721 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
722 :     package cba by new dist call from package proxy.
723 :    
724 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
725 :    
726 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
727 :    
728 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
729 :    
730 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
731 :     loading messages.
732 :    
733 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
734 :    
735 :     * R/dictionary.R: Added dictionary support.
736 :    
737 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
738 :    
739 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
740 :     documents. This simplifies some functions, e.g., asPlain.
741 :    
742 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
743 :    
744 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
745 :    
746 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
747 :    
748 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
749 :     words by a single word. Useful for synonyms.
750 :    
751 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
752 :    
753 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
754 :    
755 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
756 :    
757 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
758 :     vectors. Thanks to Ariel Maguyon for his error report.
759 :     (removeSparseTerms): New function to remove columns from a
760 :     term-document matrix exceeding a sparse factor.
761 :    
762 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
763 :    
764 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
765 :    
766 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
767 :    
768 :     * man/sFilter.Rd: Corrected documentation on statement format (use
769 :     '==' instead of '=').
770 :    
771 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
772 :    
773 :     * R/aobjects.R (StructuredTextDocument): Inherits from
774 :     TextDocument.
775 :    
776 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
777 :    
778 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
779 :     on sparse matrices as proposed by Martin Maechler.
780 :    
781 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
782 :    
783 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
784 :     \pkg{filehash} version makes them deprecated.
785 :    
786 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
787 :    
788 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
789 :     erasing stopwords.
790 :     (weightMatrix): Adapted to handle sparse matrices.
791 :     (TermDocMatrix): Sparse matrix is now efficiently built by
792 :     direct stepwise insertion of row values into it.
793 :    
794 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
795 :    
796 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
797 :     due to ongoing problems. For our purposes the latter is as useful
798 :     as the replaced package.
799 :    
800 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
801 :    
802 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
803 :    
804 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
805 :    
806 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
807 :    
808 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
809 :     languages with available stopwords.
810 :    
811 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
812 :    
813 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
814 :    
815 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
816 :    
817 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
818 :     have been integrated.
819 : feinerer 731
820 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
821 :     for various other languages.
822 :    
823 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
824 :    
825 : feinerer 730 * man/: Updated documentation.
826 :    
827 : feinerer 729 * Work/testDb.R: Script to test database stuff.
828 :    
829 :     * R/: Fixed various database related bugs. Seems to be rather
830 :     useable now, i.e., consider as alpha status for now.
831 :    
832 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
833 :    
834 :     * R/: Fixed some bugs related to database support.
835 :    
836 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
837 :    
838 :     * man/: Added a lot of examples to the manuals.
839 :    
840 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
841 :    
842 :     * man/: Updated parts of the documentation.
843 :    
844 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
845 :     documents to plain text documents.
846 :    
847 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
848 :    
849 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
850 :     intensively tested.
851 :    
852 : feinerer 723 * R/source.R: Now each source has a default reader.
853 :    
854 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
855 :     class anymore.
856 :    
857 :     * R/plaintextdoc.R: Custom show method for plain text documents.
858 :    
859 :     * R/aobjects.R: Added a class for structured text documents.
860 :    
861 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
862 :     \code{reader}.
863 :    
864 :     * R/textdoccol.R (summary): Indent tags.
865 :    
866 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
867 : feinerer 722 punctuation marks.
868 :    
869 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
870 :    
871 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
872 :     using prescindMeta().
873 :    
874 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
875 :    
876 :     * R/textdoccol.R: Improved database support.
877 :    
878 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
879 :    
880 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
881 :    
882 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
883 :     language code.
884 :    
885 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
886 :     into parserControl argument.
887 :    
888 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
889 :    
890 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
891 :    
892 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
893 :     created on the fly.
894 :    
895 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
896 :     a given language (English, German and French at the moment)
897 :    
898 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
899 :     otherwise falls back to Snowball package.
900 :    
901 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
902 :    
903 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
904 :     by "dists" from package "cba" can be used.
905 :    
906 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
907 :    
908 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
909 :     to Kurt's latex suggestion. Removed points and underscores in
910 :     variable names for consistent naming.
911 :    
912 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
913 :    
914 :     * man/TextRepository.Rd: Fixed bug in documentation.
915 :    
916 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
917 :    
918 :     * DESCRIPTION: Update to version 0.1-1.
919 :    
920 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
921 :    
922 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
923 :     wordStem.
924 :    
925 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
926 :    
927 :     * R/: Changes due to Kurt's review.
928 :    
929 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
930 :    
931 :     * R/: Implemented improvements based upon comments by David
932 :     Meyer.
933 :    
934 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
935 :    
936 :     * inst/doc/: Rewrote vignette.
937 :    
938 :     * man/: Improved documentation.
939 :    
940 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
941 :    
942 :     * man/: Updated documentation.
943 :    
944 :     * DESCRIPTION: Changed package name to "tm". Updated version to
945 :     0.1 for first CRAN release.
946 :    
947 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
948 :     list archive example.
949 :    
950 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
951 :     archive example.
952 :    
953 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
954 :     from (several mails per box) mbox format to (single mail per file)
955 :     eml format.
956 :    
957 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
958 :    
959 :     * data/crude.rda: Rebuilt.
960 :    
961 :     * data/acq.rda: Rebuilt.
962 :    
963 :     * R/reader.R: Factored out reader and parser methods from
964 :     textdoccol.R.
965 :    
966 :     * R/source.R: Factored out Source methods from aobjects.R and
967 :     textdoccol.R.
968 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
969 :     feeds.
970 :    
971 :     * R/textdoccol.R (DirSource): Added support for recursive
972 :     traversal of directories.
973 :    
974 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
975 :    
976 :     * R/textdoccol.R ([[): Loads the document corpus automatically
977 :     into memory upon access.
978 :     (tm_transform, tm_filter): Removed several checks whether the
979 :     document is already loaded ([[ ensures this now).
980 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
981 :     mailing list archive.
982 :    
983 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
984 :    
985 :     * R/aobjects.R (TextDocument): Is now a virtual class.
986 :     (Source): Is now a virtual class.
987 :    
988 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
989 :    
990 :     * R/textdoccol.R (c): Support for an arbitrary number of document
991 :     collections.
992 :    
993 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
994 :    
995 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
996 :     append_meta and remove_meta.
997 :    
998 :     * R/textdoccol.R: Removed modify_metadata method.
999 :    
1000 :     * R/textrepo.R: Removed modify_metadata method.
1001 :    
1002 :     * R/textdoccol.R (remove_meta): Supports removal of document
1003 :     collection metadata and document (= in data frame) metadata.
1004 :    
1005 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
1006 :    
1007 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
1008 :    
1009 :     * data/crude.rda: Rebuilt.
1010 :    
1011 :     * data/acq.rda: Rebuilt.
1012 :    
1013 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
1014 :    
1015 :     * R/textdoccol.R ([): Bug fix for subsetting a document
1016 :     collection's data frame.
1017 :    
1018 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1019 :    
1020 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
1021 :     to s_filter.
1022 :    
1023 :     * R/textdoccol.R: Local text documents' metadata can now be copied
1024 :     to a document collection's data frame with prescind_meta.
1025 :    
1026 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1027 :    
1028 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
1029 :    
1030 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
1031 :    
1032 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
1033 :    
1034 :     * R/: Various fixes in handling metadata.
1035 :    
1036 :     * R/: Added update mechanism for text document collections.
1037 :    
1038 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1039 :    
1040 :     * R/: Merging of document collections now creates a binary tree
1041 :     for reconstructing merged document collections.
1042 :    
1043 :     * R/: Redesign of metadata for document collections.
1044 :    
1045 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1046 :    
1047 :     * R/: Messages now use \code{ngettext}.
1048 :    
1049 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1050 :    
1051 :     * R/: Added functions for modifying and removing metadata.
1052 :    
1053 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1054 :    
1055 :     * man/: Updated some documentation.
1056 :    
1057 :     * R/: Corrected some connection issues.
1058 :    
1059 :     * inst/doc: Worked on the vignette.
1060 :    
1061 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
1062 :    
1063 : feinerer 66 * inst/: Added texts and started vignette.
1064 :    
1065 : feinerer 65 * R/: Final changes based upon David's comments.
1066 :    
1067 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
1068 :    
1069 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
1070 :     directives!).
1071 :    
1072 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1073 :    
1074 :     * R/: Modified the TextDocCol constructur and various parsers. It
1075 :     is now modular and supports various file formats via plugins (see
1076 :     the new "Source" class).
1077 :    
1078 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1079 :    
1080 :     * man/: Revised documentation after previous code changes.
1081 :    
1082 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
1083 :    
1084 :     * R/: Remaining changes as discussed with David.
1085 :    
1086 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1087 :    
1088 :     * R/: Some changes as suggested by David. The rest will follow
1089 :     within the next days.
1090 :    
1091 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1092 :    
1093 :     * man/: Finished documentation.
1094 :    
1095 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
1096 :    
1097 :     * man/: Wrote some documentation.
1098 :    
1099 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1100 :    
1101 :     * R/: Further syntactic sugar in form of additional assignment and
1102 :     accessor methods.
1103 :    
1104 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1105 :    
1106 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
1107 : feinerer 56 operators.
1108 : feinerer 54
1109 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1110 :    
1111 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
1112 :     and dissimilarities.
1113 :    
1114 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1115 :    
1116 :     * R/: Added similarity functions.
1117 :    
1118 :     * data/: Added english stopwords.
1119 :    
1120 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1121 :    
1122 : feinerer 51 * data/: Examples compiled for new features
1123 :    
1124 :     * R/: Changes due to new structure.
1125 :    
1126 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
1127 :    
1128 :     * R/termdocmatrix.R: Adapted for new naming scheme.
1129 :    
1130 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1131 :    
1132 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
1133 :     several transform and filter functions operating on text document
1134 :     collections (alias text document databases).
1135 :    
1136 :     * R/aobjects.R: Adapted class structure with inheritance,
1137 :     repositories and additional meta data. Loading files on demand is
1138 :     now possible.
1139 :    
1140 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1141 :    
1142 :     * R/: Some cosmetic cleanups.
1143 :    
1144 :     * inst/: Removed vignette on clustering. That and much more is now
1145 :     described in the JSS paper on text mining. Based upon that
1146 :     article an elaborated vignette will be incorporated in the future.
1147 :    
1148 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1149 :    
1150 :     * R/: Updated generic S4 methods to comply with signature changes
1151 :     in newer versions of R (> 2.3)
1152 :    
1153 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1154 :    
1155 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
1156 :    
1157 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
1158 :    
1159 :     * R/textdoccol.R: Added RIS HTML input format.
1160 :    
1161 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1162 :    
1163 :     * R/textdoccol.R: Removed bug that caused invalid text document
1164 :     collections when handling many input files.
1165 :    
1166 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
1167 :    
1168 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
1169 :     mechanism.
1170 :    
1171 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
1172 :     ReutNews.rda
1173 :    
1174 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
1175 :    
1176 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
1177 :    
1178 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1179 :    
1180 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
1181 :     clustering facilities of this package.
1182 :    
1183 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
1184 :    
1185 :     * R/aobjects.R: Changed package document structure to avoid class
1186 :     dependency problems.
1187 :    
1188 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1189 :    
1190 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
1191 : feinerer 29 data set.
1192 :    
1193 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
1194 : feinerer 28 CMD check textmin" works without errors.
1195 :    
1196 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
1197 :    
1198 :     * src/: Various splits can now be easily created for the
1199 :     Reuters21578 data set.
1200 :    
1201 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1202 :    
1203 : feinerer 799 * Updated documentation
1204 : feinerer 26
1205 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
1206 :    
1207 : feinerer 799 * Wrote R documentation for some classes and methods.
1208 : feinerer 25
1209 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1210 :    
1211 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
1212 :     files. See the questionnaire data/Umfrage.csv for such an example.
1213 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
1214 : feinerer 22
1215 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
1216 : feinerer 21 matrix is now possible.
1217 :    
1218 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1219 :    
1220 :     * R/textdoccol.R: One can build term-document matrices if
1221 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
1222 :     document collection with it.
1223 :    
1224 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
1225 :    
1226 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1227 :    
1228 :     * R/textdoccol.R: We now can read in a whole XML file with several
1229 :     news items.
1230 :    
1231 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1232 :    
1233 :     * R/textdoccol.R: Set up an S4 class for a collection of text
1234 :     documents. A first attempt to read in XML input (like the RCV1
1235 :     set) was made.
1236 :    
1237 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
1238 :     some accessor functions.
1239 :    
1240 :     * data/newsitem.xml: Added this XML file for testing purposes. It
1241 :     contains a single news item from the Reuters Corpus Volume 1
1242 :     (RCV1) XML set.
1243 :    
1244 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1245 :    
1246 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
1247 :     textmatrix as k-means clustering provided by R (kmeans) now works on
1248 :     this textmatrix. The result is a k-means text clustering with a
1249 :     similarity measure based upon word frequences.
1250 :    
1251 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1252 :    
1253 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1254 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1255 :    
1256 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1257 :    
1258 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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