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Annotation of /trunk/tm/ChangeLog

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

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