SCM

SCM Repository

[tm] Annotation of /trunk/tm/ChangeLog
ViewVC logotype

Annotation of /trunk/tm/ChangeLog

Parent Directory Parent Directory | Revision Log Revision Log


Revision 797 - (view) (download)

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

root@r-forge.r-project.org
ViewVC Help
Powered by ViewVC 1.0.0  
Thanks to:
Vienna University of Economics and Business Powered By FusionForge