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Annotation of /pkg/ChangeLog

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

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