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

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