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Annotation of /trunk/tm/ChangeLog

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Revision 808 - (view) (download)

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

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