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

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