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Annotation of /trunk/tm/ChangeLog

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Revision 833 - (view) (download)

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

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