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Revision 905 - (view) (download)

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

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