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1 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/reader.R (readRCV1): Improved meta data extraction from
4 :     Reuters Corpus Volume 1 documents.
5 :    
6 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
7 :    
8 :     * R/transform.R: Ensure that all mappings preserve multiline
9 :     structures.
10 :    
11 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
12 :    
13 :     * R/filter.R: Every filter has now an attribute indicating whether
14 :     it sould be applied to document level (doclevel).
15 :    
16 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
17 :     filter.
18 :    
19 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
20 :    
21 :     * R/transform.R (replacePatterns): Replaced removeWords by
22 :     replacePatterns. Suggested by Christian Buchta.
23 :    
24 :     * R/textdoccol.R (inspect): Improved formatting.
25 :    
26 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
27 :    
28 :     * inst/CITATION: Updated JSS article information.
29 :    
30 :     * R/textdoccol.R (setAs): Added coerce method from list to
31 :     corpus.
32 :    
33 :     * R/meta.R (meta): Improved meta data handling.
34 :    
35 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
36 :    
37 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
38 :     Christian Buchta.
39 :    
40 :     * inst/CITATION: Added template to include JSS article reference.
41 :    
42 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
43 :    
44 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
45 :    
46 : feinerer 832 * R/source.R: Added VectorSource.
47 :    
48 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
49 :    
50 :     * man/: Language codes should be in ISO 639-1 format.
51 :    
52 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
53 :    
54 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
55 :    
56 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
57 :     containing plain text documents to disk.
58 :    
59 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
60 :    
61 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
62 :     always set correctly.
63 :    
64 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
65 :     since in most cases this is the wanted behaviour.
66 :    
67 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
68 :    
69 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
70 :    
71 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
72 :    
73 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
74 :    
75 :     * R/meta.R (meta): New function for consistent access to meta data
76 :     of document collections, repositories, and texts.
77 :    
78 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
79 :    
80 :     * R/: Better support for encodings.
81 :    
82 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
83 :    
84 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
85 :     selection when no reader argument is given.
86 :    
87 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
88 :    
89 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
90 :     internally.
91 :    
92 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
93 :    
94 :     * R/reader.R (getReaders): Returns available reader functions.
95 :    
96 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
97 :     as default.
98 :    
99 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
100 :    
101 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
102 :     variable warnings.
103 :    
104 :     * man/: Documentation for showMeta, added an example for tmMap.
105 :    
106 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
107 :     some minor typos fixed.
108 :    
109 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
110 :    
111 :     * R/aobjects.R (showMeta): Added method for pretty printing a
112 :     text document's meta data.
113 :    
114 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
115 :    
116 :     * R/textdoccol.R (TextDocCol): Better handling of empty
117 :     arguments.
118 :    
119 :     * NAMESPACE: Exported readDOC.
120 :    
121 : feinerer 800 * man/completeStems.Rd: Added an example.
122 :    
123 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
124 : feinerer 796
125 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
126 :     call. Allows users to modify stopword .dat files interactively.
127 :    
128 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
129 :    
130 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
131 :     documents.
132 :    
133 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
134 :    
135 :     * man/: Updated documentation.
136 :    
137 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
138 :    
139 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
140 :     stems.
141 :    
142 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
143 :     constructor.
144 :    
145 :     * NAMESPACE: Exported termFreq.
146 :    
147 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
148 :    
149 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
150 :    
151 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
152 :    
153 :     * R/weight.R: Weighting functions for TermDocMatrix.
154 :    
155 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
156 :    
157 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
158 :     functions for accessing dimension, column, and row names.
159 :    
160 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
161 :    
162 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
163 :    
164 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
165 :    
166 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
167 :    
168 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
169 :    
170 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
171 :    
172 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
173 :     pdfinfo. The system call gives a warning anyway.
174 :    
175 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
176 :    
177 :     * R/textdoccol.R (asPlain): Conversion from
178 :     StructuredTextDocuments to PlainTextDocuments.
179 :    
180 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
181 :    
182 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
183 :     for accessing term-document matrices.
184 :    
185 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
186 :     are installed.
187 :    
188 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
189 :    
190 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
191 :     Christian Buchta.
192 :    
193 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
194 :    
195 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
196 :    
197 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
198 :    
199 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
200 :    
201 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
202 :    
203 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
204 :    
205 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
206 :    
207 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
208 :    
209 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
210 :    
211 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
212 :    
213 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
214 :    
215 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
216 :     package cba by new dist call from package proxy.
217 :    
218 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
219 :    
220 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
221 :    
222 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
223 :    
224 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
225 :     loading messages.
226 :    
227 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
228 :    
229 :     * R/dictionary.R: Added dictionary support.
230 :    
231 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
232 :    
233 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
234 :     documents. This simplifies some functions, e.g., asPlain.
235 :    
236 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
237 :    
238 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
239 :    
240 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
241 :    
242 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
243 :     words by a single word. Useful for synonyms.
244 :    
245 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
246 :    
247 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
248 :    
249 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
250 :    
251 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
252 :     vectors. Thanks to Ariel Maguyon for his error report.
253 :     (removeSparseTerms): New function to remove columns from a
254 :     term-document matrix exceeding a sparse factor.
255 :    
256 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
257 :    
258 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
259 :    
260 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
261 :    
262 :     * man/sFilter.Rd: Corrected documentation on statement format (use
263 :     '==' instead of '=').
264 :    
265 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
266 :    
267 :     * R/aobjects.R (StructuredTextDocument): Inherits from
268 :     TextDocument.
269 :    
270 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
271 :    
272 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
273 :     on sparse matrices as proposed by Martin Maechler.
274 :    
275 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
276 :    
277 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
278 :     \pkg{filehash} version makes them deprecated.
279 :    
280 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
281 :    
282 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
283 :     erasing stopwords.
284 :     (weightMatrix): Adapted to handle sparse matrices.
285 :     (TermDocMatrix): Sparse matrix is now efficiently built by
286 :     direct stepwise insertion of row values into it.
287 :    
288 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
289 :    
290 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
291 :     due to ongoing problems. For our purposes the latter is as useful
292 :     as the replaced package.
293 :    
294 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
295 :    
296 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
297 :    
298 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
299 :    
300 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
301 :    
302 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
303 :     languages with available stopwords.
304 :    
305 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
306 :    
307 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
308 :    
309 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
310 :    
311 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
312 :     have been integrated.
313 : feinerer 731
314 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
315 :     for various other languages.
316 :    
317 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
318 :    
319 : feinerer 730 * man/: Updated documentation.
320 :    
321 : feinerer 729 * Work/testDb.R: Script to test database stuff.
322 :    
323 :     * R/: Fixed various database related bugs. Seems to be rather
324 :     useable now, i.e., consider as alpha status for now.
325 :    
326 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
327 :    
328 :     * R/: Fixed some bugs related to database support.
329 :    
330 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
331 :    
332 :     * man/: Added a lot of examples to the manuals.
333 :    
334 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
335 :    
336 :     * man/: Updated parts of the documentation.
337 :    
338 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
339 :     documents to plain text documents.
340 :    
341 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
342 :    
343 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
344 :     intensively tested.
345 :    
346 : feinerer 723 * R/source.R: Now each source has a default reader.
347 :    
348 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
349 :     class anymore.
350 :    
351 :     * R/plaintextdoc.R: Custom show method for plain text documents.
352 :    
353 :     * R/aobjects.R: Added a class for structured text documents.
354 :    
355 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
356 :     \code{reader}.
357 :    
358 :     * R/textdoccol.R (summary): Indent tags.
359 :    
360 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
361 : feinerer 722 punctuation marks.
362 :    
363 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
364 :    
365 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
366 :     using prescindMeta().
367 :    
368 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
369 :    
370 :     * R/textdoccol.R: Improved database support.
371 :    
372 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
373 :    
374 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
375 :    
376 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
377 :     language code.
378 :    
379 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
380 :     into parserControl argument.
381 :    
382 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
383 :    
384 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
385 :    
386 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
387 :     created on the fly.
388 :    
389 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
390 :     a given language (English, German and French at the moment)
391 :    
392 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
393 :     otherwise falls back to Snowball package.
394 :    
395 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
396 :    
397 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
398 :     by "dists" from package "cba" can be used.
399 :    
400 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
401 :    
402 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
403 :     to Kurt's latex suggestion. Removed points and underscores in
404 :     variable names for consistent naming.
405 :    
406 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
407 :    
408 :     * man/TextRepository.Rd: Fixed bug in documentation.
409 :    
410 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
411 :    
412 :     * DESCRIPTION: Update to version 0.1-1.
413 :    
414 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
415 :    
416 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
417 :     wordStem.
418 :    
419 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
420 :    
421 :     * R/: Changes due to Kurt's review.
422 :    
423 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
424 :    
425 :     * R/: Implemented improvements based upon comments by David
426 :     Meyer.
427 :    
428 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
429 :    
430 :     * inst/doc/: Rewrote vignette.
431 :    
432 :     * man/: Improved documentation.
433 :    
434 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
435 :    
436 :     * man/: Updated documentation.
437 :    
438 :     * DESCRIPTION: Changed package name to "tm". Updated version to
439 :     0.1 for first CRAN release.
440 :    
441 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
442 :     list archive example.
443 :    
444 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
445 :     archive example.
446 :    
447 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
448 :     from (several mails per box) mbox format to (single mail per file)
449 :     eml format.
450 :    
451 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
452 :    
453 :     * data/crude.rda: Rebuilt.
454 :    
455 :     * data/acq.rda: Rebuilt.
456 :    
457 :     * R/reader.R: Factored out reader and parser methods from
458 :     textdoccol.R.
459 :    
460 :     * R/source.R: Factored out Source methods from aobjects.R and
461 :     textdoccol.R.
462 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
463 :     feeds.
464 :    
465 :     * R/textdoccol.R (DirSource): Added support for recursive
466 :     traversal of directories.
467 :    
468 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
469 :    
470 :     * R/textdoccol.R ([[): Loads the document corpus automatically
471 :     into memory upon access.
472 :     (tm_transform, tm_filter): Removed several checks whether the
473 :     document is already loaded ([[ ensures this now).
474 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
475 :     mailing list archive.
476 :    
477 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
478 :    
479 :     * R/aobjects.R (TextDocument): Is now a virtual class.
480 :     (Source): Is now a virtual class.
481 :    
482 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
483 :    
484 :     * R/textdoccol.R (c): Support for an arbitrary number of document
485 :     collections.
486 :    
487 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
488 :    
489 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
490 :     append_meta and remove_meta.
491 :    
492 :     * R/textdoccol.R: Removed modify_metadata method.
493 :    
494 :     * R/textrepo.R: Removed modify_metadata method.
495 :    
496 :     * R/textdoccol.R (remove_meta): Supports removal of document
497 :     collection metadata and document (= in data frame) metadata.
498 :    
499 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
500 :    
501 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
502 :    
503 :     * data/crude.rda: Rebuilt.
504 :    
505 :     * data/acq.rda: Rebuilt.
506 :    
507 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
508 :    
509 :     * R/textdoccol.R ([): Bug fix for subsetting a document
510 :     collection's data frame.
511 :    
512 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
513 :    
514 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
515 :     to s_filter.
516 :    
517 :     * R/textdoccol.R: Local text documents' metadata can now be copied
518 :     to a document collection's data frame with prescind_meta.
519 :    
520 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
521 :    
522 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
523 :    
524 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
525 :    
526 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
527 :    
528 :     * R/: Various fixes in handling metadata.
529 :    
530 :     * R/: Added update mechanism for text document collections.
531 :    
532 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
533 :    
534 :     * R/: Merging of document collections now creates a binary tree
535 :     for reconstructing merged document collections.
536 :    
537 :     * R/: Redesign of metadata for document collections.
538 :    
539 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
540 :    
541 :     * R/: Messages now use \code{ngettext}.
542 :    
543 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
544 :    
545 :     * R/: Added functions for modifying and removing metadata.
546 :    
547 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
548 :    
549 :     * man/: Updated some documentation.
550 :    
551 :     * R/: Corrected some connection issues.
552 :    
553 :     * inst/doc: Worked on the vignette.
554 :    
555 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
556 :    
557 : feinerer 66 * inst/: Added texts and started vignette.
558 :    
559 : feinerer 65 * R/: Final changes based upon David's comments.
560 :    
561 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
562 :    
563 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
564 :     directives!).
565 :    
566 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
567 :    
568 :     * R/: Modified the TextDocCol constructur and various parsers. It
569 :     is now modular and supports various file formats via plugins (see
570 :     the new "Source" class).
571 :    
572 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
573 :    
574 :     * man/: Revised documentation after previous code changes.
575 :    
576 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
577 :    
578 :     * R/: Remaining changes as discussed with David.
579 :    
580 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
581 :    
582 :     * R/: Some changes as suggested by David. The rest will follow
583 :     within the next days.
584 :    
585 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
586 :    
587 :     * man/: Finished documentation.
588 :    
589 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
590 :    
591 :     * man/: Wrote some documentation.
592 :    
593 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
594 :    
595 :     * R/: Further syntactic sugar in form of additional assignment and
596 :     accessor methods.
597 :    
598 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
599 :    
600 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
601 : feinerer 56 operators.
602 : feinerer 54
603 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
604 :    
605 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
606 :     and dissimilarities.
607 :    
608 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
609 :    
610 :     * R/: Added similarity functions.
611 :    
612 :     * data/: Added english stopwords.
613 :    
614 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
615 :    
616 : feinerer 51 * data/: Examples compiled for new features
617 :    
618 :     * R/: Changes due to new structure.
619 :    
620 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
621 :    
622 :     * R/termdocmatrix.R: Adapted for new naming scheme.
623 :    
624 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
625 :    
626 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
627 :     several transform and filter functions operating on text document
628 :     collections (alias text document databases).
629 :    
630 :     * R/aobjects.R: Adapted class structure with inheritance,
631 :     repositories and additional meta data. Loading files on demand is
632 :     now possible.
633 :    
634 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
635 :    
636 :     * R/: Some cosmetic cleanups.
637 :    
638 :     * inst/: Removed vignette on clustering. That and much more is now
639 :     described in the JSS paper on text mining. Based upon that
640 :     article an elaborated vignette will be incorporated in the future.
641 :    
642 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
643 :    
644 :     * R/: Updated generic S4 methods to comply with signature changes
645 :     in newer versions of R (> 2.3)
646 :    
647 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
648 :    
649 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
650 :    
651 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
652 :    
653 :     * R/textdoccol.R: Added RIS HTML input format.
654 :    
655 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
656 :    
657 :     * R/textdoccol.R: Removed bug that caused invalid text document
658 :     collections when handling many input files.
659 :    
660 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
661 :    
662 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
663 :     mechanism.
664 :    
665 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
666 :     ReutNews.rda
667 :    
668 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
669 :    
670 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
671 :    
672 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
673 :    
674 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
675 :     clustering facilities of this package.
676 :    
677 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
678 :    
679 :     * R/aobjects.R: Changed package document structure to avoid class
680 :     dependency problems.
681 :    
682 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
683 :    
684 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
685 : feinerer 29 data set.
686 :    
687 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
688 : feinerer 28 CMD check textmin" works without errors.
689 :    
690 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
691 :    
692 :     * src/: Various splits can now be easily created for the
693 :     Reuters21578 data set.
694 :    
695 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
696 :    
697 : feinerer 799 * Updated documentation
698 : feinerer 26
699 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
700 :    
701 : feinerer 799 * Wrote R documentation for some classes and methods.
702 : feinerer 25
703 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
704 :    
705 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
706 :     files. See the questionnaire data/Umfrage.csv for such an example.
707 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
708 : feinerer 22
709 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
710 : feinerer 21 matrix is now possible.
711 :    
712 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
713 :    
714 :     * R/textdoccol.R: One can build term-document matrices if
715 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
716 :     document collection with it.
717 :    
718 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
719 :    
720 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
721 :    
722 :     * R/textdoccol.R: We now can read in a whole XML file with several
723 :     news items.
724 :    
725 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
726 :    
727 :     * R/textdoccol.R: Set up an S4 class for a collection of text
728 :     documents. A first attempt to read in XML input (like the RCV1
729 :     set) was made.
730 :    
731 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
732 :     some accessor functions.
733 :    
734 :     * data/newsitem.xml: Added this XML file for testing purposes. It
735 :     contains a single news item from the Reuters Corpus Volume 1
736 :     (RCV1) XML set.
737 :    
738 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
739 :    
740 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
741 :     textmatrix as k-means clustering provided by R (kmeans) now works on
742 :     this textmatrix. The result is a k-means text clustering with a
743 :     similarity measure based upon word frequences.
744 :    
745 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
746 :    
747 :     * R/textmatrix.R: Adapted the preprocessing code from the R
748 :     package "lsa" written by Fridolin Wild to build a document text matrix.
749 :    
750 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
751 :    
752 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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