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 777 - (view) (download)

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