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Annotation of /trunk/tm/ChangeLog

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Revision 801 - (view) (download)

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

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