SCM

SCM Repository

[tm] Annotation of /pkg/ChangeLog
ViewVC logotype

Annotation of /pkg/ChangeLog

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1155 - (view) (download)

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

root@r-forge.r-project.org
ViewVC Help
Powered by ViewVC 1.0.0  
Thanks to:
Vienna University of Economics and Business Powered By FusionForge