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

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