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Annotation of /pkg/ChangeLog

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Revision 873 - (view) (download)
Original Path: trunk/tm/ChangeLog

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

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