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

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