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Annotation of /pkg/ChangeLog

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Revision 1029 - (view) (download)

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

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