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Annotation of /trunk/tm/ChangeLog

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

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