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Revision 881 - (view) (download)
Original Path: trunk/tm/ChangeLog

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

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