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

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