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Revision 908 - (view) (download)

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

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