SCM

SCM Repository

[tm] Annotation of /pkg/ChangeLog
ViewVC logotype

Annotation of /pkg/ChangeLog

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1061 - (view) (download)

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