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Annotation of /trunk/tm/ChangeLog

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Revision 813 - (view) (download)

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

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