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Annotation of /pkg/ChangeLog

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

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