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Annotation of /trunk/tm/ChangeLog

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

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