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Annotation of /pkg/ChangeLog

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1 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
4 :     internally.
5 :    
6 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
7 :    
8 :     * R/reader.R (getReaders): Returns available reader functions.
9 :    
10 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
11 :     as default.
12 :    
13 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
14 :    
15 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
16 :     variable warnings.
17 :    
18 :     * man/: Documentation for showMeta, added an example for tmMap.
19 :    
20 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
21 :     some minor typos fixed.
22 :    
23 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
24 :    
25 :     * R/aobjects.R (showMeta): Added method for pretty printing a
26 :     text document's meta data.
27 :    
28 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
29 :    
30 :     * R/textdoccol.R (TextDocCol): Better handling of empty
31 :     arguments.
32 :    
33 :     * NAMESPACE: Exported readDOC.
34 :    
35 : feinerer 800 * man/completeStems.Rd: Added an example.
36 :    
37 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
38 : feinerer 796
39 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
40 :     call. Allows users to modify stopword .dat files interactively.
41 :    
42 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
43 :    
44 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
45 :     documents.
46 :    
47 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
48 :    
49 :     * man/: Updated documentation.
50 :    
51 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
52 :    
53 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
54 :     stems.
55 :    
56 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
57 :     constructor.
58 :    
59 :     * NAMESPACE: Exported termFreq.
60 :    
61 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
62 :    
63 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
64 :    
65 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
66 :    
67 :     * R/weight.R: Weighting functions for TermDocMatrix.
68 :    
69 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
70 :    
71 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
72 :     functions for accessing dimension, column, and row names.
73 :    
74 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
75 :    
76 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
77 :    
78 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
79 :    
80 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
81 :    
82 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
83 :    
84 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
85 :    
86 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
87 :     pdfinfo. The system call gives a warning anyway.
88 :    
89 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
90 :    
91 :     * R/textdoccol.R (asPlain): Conversion from
92 :     StructuredTextDocuments to PlainTextDocuments.
93 :    
94 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
95 :    
96 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
97 :     for accessing term-document matrices.
98 :    
99 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
100 :     are installed.
101 :    
102 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
103 :    
104 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
105 :     Christian Buchta.
106 :    
107 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
108 :    
109 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
110 :    
111 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
112 :    
113 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
114 :    
115 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
116 :    
117 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
118 :    
119 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
120 :    
121 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
122 :    
123 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
124 :    
125 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
126 :    
127 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
128 :    
129 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
130 :     package cba by new dist call from package proxy.
131 :    
132 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
133 :    
134 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
135 :    
136 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
137 :    
138 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
139 :     loading messages.
140 :    
141 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
142 :    
143 :     * R/dictionary.R: Added dictionary support.
144 :    
145 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
146 :    
147 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
148 :     documents. This simplifies some functions, e.g., asPlain.
149 :    
150 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
151 :    
152 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
153 :    
154 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
155 :    
156 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
157 :     words by a single word. Useful for synonyms.
158 :    
159 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
160 :    
161 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
162 :    
163 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
164 :    
165 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
166 :     vectors. Thanks to Ariel Maguyon for his error report.
167 :     (removeSparseTerms): New function to remove columns from a
168 :     term-document matrix exceeding a sparse factor.
169 :    
170 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
171 :    
172 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
173 :    
174 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
175 :    
176 :     * man/sFilter.Rd: Corrected documentation on statement format (use
177 :     '==' instead of '=').
178 :    
179 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
180 :    
181 :     * R/aobjects.R (StructuredTextDocument): Inherits from
182 :     TextDocument.
183 :    
184 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
185 :    
186 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
187 :     on sparse matrices as proposed by Martin Maechler.
188 :    
189 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
190 :    
191 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
192 :     \pkg{filehash} version makes them deprecated.
193 :    
194 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
195 :    
196 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
197 :     erasing stopwords.
198 :     (weightMatrix): Adapted to handle sparse matrices.
199 :     (TermDocMatrix): Sparse matrix is now efficiently built by
200 :     direct stepwise insertion of row values into it.
201 :    
202 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
203 :    
204 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
205 :     due to ongoing problems. For our purposes the latter is as useful
206 :     as the replaced package.
207 :    
208 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
209 :    
210 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
211 :    
212 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
213 :    
214 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
215 :    
216 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
217 :     languages with available stopwords.
218 :    
219 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
220 :    
221 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
222 :    
223 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
224 :    
225 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
226 :     have been integrated.
227 : feinerer 731
228 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
229 :     for various other languages.
230 :    
231 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
232 :    
233 : feinerer 730 * man/: Updated documentation.
234 :    
235 : feinerer 729 * Work/testDb.R: Script to test database stuff.
236 :    
237 :     * R/: Fixed various database related bugs. Seems to be rather
238 :     useable now, i.e., consider as alpha status for now.
239 :    
240 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
241 :    
242 :     * R/: Fixed some bugs related to database support.
243 :    
244 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
245 :    
246 :     * man/: Added a lot of examples to the manuals.
247 :    
248 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
249 :    
250 :     * man/: Updated parts of the documentation.
251 :    
252 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
253 :     documents to plain text documents.
254 :    
255 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
256 :    
257 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
258 :     intensively tested.
259 :    
260 : feinerer 723 * R/source.R: Now each source has a default reader.
261 :    
262 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
263 :     class anymore.
264 :    
265 :     * R/plaintextdoc.R: Custom show method for plain text documents.
266 :    
267 :     * R/aobjects.R: Added a class for structured text documents.
268 :    
269 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
270 :     \code{reader}.
271 :    
272 :     * R/textdoccol.R (summary): Indent tags.
273 :    
274 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
275 : feinerer 722 punctuation marks.
276 :    
277 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
278 :    
279 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
280 :     using prescindMeta().
281 :    
282 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
283 :    
284 :     * R/textdoccol.R: Improved database support.
285 :    
286 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
287 :    
288 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
289 :    
290 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
291 :     language code.
292 :    
293 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
294 :     into parserControl argument.
295 :    
296 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
297 :    
298 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
299 :    
300 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
301 :     created on the fly.
302 :    
303 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
304 :     a given language (English, German and French at the moment)
305 :    
306 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
307 :     otherwise falls back to Snowball package.
308 :    
309 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
310 :    
311 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
312 :     by "dists" from package "cba" can be used.
313 :    
314 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
315 :    
316 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
317 :     to Kurt's latex suggestion. Removed points and underscores in
318 :     variable names for consistent naming.
319 :    
320 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
321 :    
322 :     * man/TextRepository.Rd: Fixed bug in documentation.
323 :    
324 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
325 :    
326 :     * DESCRIPTION: Update to version 0.1-1.
327 :    
328 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
329 :    
330 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
331 :     wordStem.
332 :    
333 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
334 :    
335 :     * R/: Changes due to Kurt's review.
336 :    
337 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
338 :    
339 :     * R/: Implemented improvements based upon comments by David
340 :     Meyer.
341 :    
342 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
343 :    
344 :     * inst/doc/: Rewrote vignette.
345 :    
346 :     * man/: Improved documentation.
347 :    
348 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
349 :    
350 :     * man/: Updated documentation.
351 :    
352 :     * DESCRIPTION: Changed package name to "tm". Updated version to
353 :     0.1 for first CRAN release.
354 :    
355 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
356 :     list archive example.
357 :    
358 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
359 :     archive example.
360 :    
361 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
362 :     from (several mails per box) mbox format to (single mail per file)
363 :     eml format.
364 :    
365 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
366 :    
367 :     * data/crude.rda: Rebuilt.
368 :    
369 :     * data/acq.rda: Rebuilt.
370 :    
371 :     * R/reader.R: Factored out reader and parser methods from
372 :     textdoccol.R.
373 :    
374 :     * R/source.R: Factored out Source methods from aobjects.R and
375 :     textdoccol.R.
376 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
377 :     feeds.
378 :    
379 :     * R/textdoccol.R (DirSource): Added support for recursive
380 :     traversal of directories.
381 :    
382 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
383 :    
384 :     * R/textdoccol.R ([[): Loads the document corpus automatically
385 :     into memory upon access.
386 :     (tm_transform, tm_filter): Removed several checks whether the
387 :     document is already loaded ([[ ensures this now).
388 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
389 :     mailing list archive.
390 :    
391 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
392 :    
393 :     * R/aobjects.R (TextDocument): Is now a virtual class.
394 :     (Source): Is now a virtual class.
395 :    
396 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
397 :    
398 :     * R/textdoccol.R (c): Support for an arbitrary number of document
399 :     collections.
400 :    
401 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
402 :    
403 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
404 :     append_meta and remove_meta.
405 :    
406 :     * R/textdoccol.R: Removed modify_metadata method.
407 :    
408 :     * R/textrepo.R: Removed modify_metadata method.
409 :    
410 :     * R/textdoccol.R (remove_meta): Supports removal of document
411 :     collection metadata and document (= in data frame) metadata.
412 :    
413 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
414 :    
415 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
416 :    
417 :     * data/crude.rda: Rebuilt.
418 :    
419 :     * data/acq.rda: Rebuilt.
420 :    
421 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
422 :    
423 :     * R/textdoccol.R ([): Bug fix for subsetting a document
424 :     collection's data frame.
425 :    
426 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
427 :    
428 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
429 :     to s_filter.
430 :    
431 :     * R/textdoccol.R: Local text documents' metadata can now be copied
432 :     to a document collection's data frame with prescind_meta.
433 :    
434 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
435 :    
436 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
437 :    
438 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
439 :    
440 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
441 :    
442 :     * R/: Various fixes in handling metadata.
443 :    
444 :     * R/: Added update mechanism for text document collections.
445 :    
446 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
447 :    
448 :     * R/: Merging of document collections now creates a binary tree
449 :     for reconstructing merged document collections.
450 :    
451 :     * R/: Redesign of metadata for document collections.
452 :    
453 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
454 :    
455 :     * R/: Messages now use \code{ngettext}.
456 :    
457 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
458 :    
459 :     * R/: Added functions for modifying and removing metadata.
460 :    
461 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
462 :    
463 :     * man/: Updated some documentation.
464 :    
465 :     * R/: Corrected some connection issues.
466 :    
467 :     * inst/doc: Worked on the vignette.
468 :    
469 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
470 :    
471 : feinerer 66 * inst/: Added texts and started vignette.
472 :    
473 : feinerer 65 * R/: Final changes based upon David's comments.
474 :    
475 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
476 :    
477 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
478 :     directives!).
479 :    
480 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
481 :    
482 :     * R/: Modified the TextDocCol constructur and various parsers. It
483 :     is now modular and supports various file formats via plugins (see
484 :     the new "Source" class).
485 :    
486 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
487 :    
488 :     * man/: Revised documentation after previous code changes.
489 :    
490 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
491 :    
492 :     * R/: Remaining changes as discussed with David.
493 :    
494 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
495 :    
496 :     * R/: Some changes as suggested by David. The rest will follow
497 :     within the next days.
498 :    
499 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
500 :    
501 :     * man/: Finished documentation.
502 :    
503 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
504 :    
505 :     * man/: Wrote some documentation.
506 :    
507 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
508 :    
509 :     * R/: Further syntactic sugar in form of additional assignment and
510 :     accessor methods.
511 :    
512 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
513 :    
514 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
515 : feinerer 56 operators.
516 : feinerer 54
517 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
518 :    
519 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
520 :     and dissimilarities.
521 :    
522 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
523 :    
524 :     * R/: Added similarity functions.
525 :    
526 :     * data/: Added english stopwords.
527 :    
528 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
529 :    
530 : feinerer 51 * data/: Examples compiled for new features
531 :    
532 :     * R/: Changes due to new structure.
533 :    
534 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
535 :    
536 :     * R/termdocmatrix.R: Adapted for new naming scheme.
537 :    
538 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
539 :    
540 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
541 :     several transform and filter functions operating on text document
542 :     collections (alias text document databases).
543 :    
544 :     * R/aobjects.R: Adapted class structure with inheritance,
545 :     repositories and additional meta data. Loading files on demand is
546 :     now possible.
547 :    
548 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
549 :    
550 :     * R/: Some cosmetic cleanups.
551 :    
552 :     * inst/: Removed vignette on clustering. That and much more is now
553 :     described in the JSS paper on text mining. Based upon that
554 :     article an elaborated vignette will be incorporated in the future.
555 :    
556 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
557 :    
558 :     * R/: Updated generic S4 methods to comply with signature changes
559 :     in newer versions of R (> 2.3)
560 :    
561 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
562 :    
563 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
564 :    
565 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
566 :    
567 :     * R/textdoccol.R: Added RIS HTML input format.
568 :    
569 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
570 :    
571 :     * R/textdoccol.R: Removed bug that caused invalid text document
572 :     collections when handling many input files.
573 :    
574 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
575 :    
576 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
577 :     mechanism.
578 :    
579 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
580 :     ReutNews.rda
581 :    
582 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
583 :    
584 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
585 :    
586 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
587 :    
588 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
589 :     clustering facilities of this package.
590 :    
591 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
592 :    
593 :     * R/aobjects.R: Changed package document structure to avoid class
594 :     dependency problems.
595 :    
596 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
597 :    
598 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
599 : feinerer 29 data set.
600 :    
601 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
602 : feinerer 28 CMD check textmin" works without errors.
603 :    
604 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
605 :    
606 :     * src/: Various splits can now be easily created for the
607 :     Reuters21578 data set.
608 :    
609 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
610 :    
611 : feinerer 799 * Updated documentation
612 : feinerer 26
613 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
614 :    
615 : feinerer 799 * Wrote R documentation for some classes and methods.
616 : feinerer 25
617 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
618 :    
619 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
620 :     files. See the questionnaire data/Umfrage.csv for such an example.
621 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
622 : feinerer 22
623 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
624 : feinerer 21 matrix is now possible.
625 :    
626 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
627 :    
628 :     * R/textdoccol.R: One can build term-document matrices if
629 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
630 :     document collection with it.
631 :    
632 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
633 :    
634 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
635 :    
636 :     * R/textdoccol.R: We now can read in a whole XML file with several
637 :     news items.
638 :    
639 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
640 :    
641 :     * R/textdoccol.R: Set up an S4 class for a collection of text
642 :     documents. A first attempt to read in XML input (like the RCV1
643 :     set) was made.
644 :    
645 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
646 :     some accessor functions.
647 :    
648 :     * data/newsitem.xml: Added this XML file for testing purposes. It
649 :     contains a single news item from the Reuters Corpus Volume 1
650 :     (RCV1) XML set.
651 :    
652 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
653 :    
654 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
655 :     textmatrix as k-means clustering provided by R (kmeans) now works on
656 :     this textmatrix. The result is a k-means text clustering with a
657 :     similarity measure based upon word frequences.
658 :    
659 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
660 :    
661 :     * R/textmatrix.R: Adapted the preprocessing code from the R
662 :     package "lsa" written by Fridolin Wild to build a document text matrix.
663 :    
664 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
665 :    
666 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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