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Revision 749 - (view) (download)
Original Path: trunk/tm/ChangeLog

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

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