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Annotation of /trunk/tm/ChangeLog

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

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