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Revision 885 - (view) (download)

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

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