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Annotation of /pkg/ChangeLog

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

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