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Annotation of /pkg/ChangeLog

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Revision 893 - (view) (download)

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

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