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

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