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Revision 1147 - (view) (download)

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

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