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Annotation of /trunk/tm/ChangeLog

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Revision 865 - (view) (download)

1 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * R/weight.R: Introduce name abbreviations for weighting functions.
4 :    
5 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
6 :    
7 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
8 :    
9 :     * R/cluster.R: Provide convenience functions for using a MPI
10 :     cluster.
11 :    
12 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
13 :     available.
14 :    
15 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
16 :     available.
17 :    
18 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
19 :    
20 :     * R/textdoccol.R (lapply): Removed debug print out.
21 :    
22 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
23 :    
24 :     * R/reader.R (readRCV1): Improved meta data extraction from
25 :     Reuters Corpus Volume 1 documents.
26 :    
27 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
28 :    
29 :     * R/transform.R: Ensure that all mappings preserve multiline
30 :     structures.
31 :    
32 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
33 :    
34 :     * R/filter.R: Every filter has now an attribute indicating whether
35 :     it sould be applied to document level (doclevel).
36 :    
37 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
38 :     filter.
39 :    
40 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
41 :    
42 :     * R/transform.R (replacePatterns): Replaced removeWords by
43 :     replacePatterns. Suggested by Christian Buchta.
44 :    
45 :     * R/textdoccol.R (inspect): Improved formatting.
46 :    
47 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
48 :    
49 :     * inst/CITATION: Updated JSS article information.
50 :    
51 :     * R/textdoccol.R (setAs): Added coerce method from list to
52 :     corpus.
53 :    
54 :     * R/meta.R (meta): Improved meta data handling.
55 :    
56 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
57 :    
58 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
59 :     Christian Buchta.
60 :    
61 :     * inst/CITATION: Added template to include JSS article reference.
62 :    
63 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
64 :    
65 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
66 :    
67 : feinerer 832 * R/source.R: Added VectorSource.
68 :    
69 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
70 :    
71 :     * man/: Language codes should be in ISO 639-1 format.
72 :    
73 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
74 :    
75 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
76 :    
77 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
78 :     containing plain text documents to disk.
79 :    
80 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
81 :    
82 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
83 :     always set correctly.
84 :    
85 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
86 :     since in most cases this is the wanted behaviour.
87 :    
88 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
89 :    
90 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
91 :    
92 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
93 :    
94 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
95 :    
96 :     * R/meta.R (meta): New function for consistent access to meta data
97 :     of document collections, repositories, and texts.
98 :    
99 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
100 :    
101 :     * R/: Better support for encodings.
102 :    
103 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
104 :    
105 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
106 :     selection when no reader argument is given.
107 :    
108 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
109 :    
110 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
111 :     internally.
112 :    
113 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
114 :    
115 :     * R/reader.R (getReaders): Returns available reader functions.
116 :    
117 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
118 :     as default.
119 :    
120 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
121 :    
122 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
123 :     variable warnings.
124 :    
125 :     * man/: Documentation for showMeta, added an example for tmMap.
126 :    
127 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
128 :     some minor typos fixed.
129 :    
130 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
131 :    
132 :     * R/aobjects.R (showMeta): Added method for pretty printing a
133 :     text document's meta data.
134 :    
135 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
136 :    
137 :     * R/textdoccol.R (TextDocCol): Better handling of empty
138 :     arguments.
139 :    
140 :     * NAMESPACE: Exported readDOC.
141 :    
142 : feinerer 800 * man/completeStems.Rd: Added an example.
143 :    
144 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
145 : feinerer 796
146 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
147 :     call. Allows users to modify stopword .dat files interactively.
148 :    
149 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
150 :    
151 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
152 :     documents.
153 :    
154 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
155 :    
156 :     * man/: Updated documentation.
157 :    
158 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
159 :    
160 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
161 :     stems.
162 :    
163 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
164 :     constructor.
165 :    
166 :     * NAMESPACE: Exported termFreq.
167 :    
168 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
169 :    
170 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
171 :    
172 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
173 :    
174 :     * R/weight.R: Weighting functions for TermDocMatrix.
175 :    
176 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
177 :    
178 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
179 :     functions for accessing dimension, column, and row names.
180 :    
181 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
182 :    
183 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
184 :    
185 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
186 :    
187 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
188 :    
189 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
190 :    
191 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
192 :    
193 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
194 :     pdfinfo. The system call gives a warning anyway.
195 :    
196 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
197 :    
198 :     * R/textdoccol.R (asPlain): Conversion from
199 :     StructuredTextDocuments to PlainTextDocuments.
200 :    
201 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
202 :    
203 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
204 :     for accessing term-document matrices.
205 :    
206 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
207 :     are installed.
208 :    
209 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
210 :    
211 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
212 :     Christian Buchta.
213 :    
214 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
215 :    
216 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
217 :    
218 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
219 :    
220 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
221 :    
222 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
223 :    
224 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
225 :    
226 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
227 :    
228 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
229 :    
230 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
231 :    
232 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
233 :    
234 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
235 :    
236 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
237 :     package cba by new dist call from package proxy.
238 :    
239 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
240 :    
241 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
242 :    
243 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
244 :    
245 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
246 :     loading messages.
247 :    
248 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
249 :    
250 :     * R/dictionary.R: Added dictionary support.
251 :    
252 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
253 :    
254 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
255 :     documents. This simplifies some functions, e.g., asPlain.
256 :    
257 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
258 :    
259 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
260 :    
261 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
262 :    
263 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
264 :     words by a single word. Useful for synonyms.
265 :    
266 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
267 :    
268 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
269 :    
270 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
271 :    
272 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
273 :     vectors. Thanks to Ariel Maguyon for his error report.
274 :     (removeSparseTerms): New function to remove columns from a
275 :     term-document matrix exceeding a sparse factor.
276 :    
277 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
278 :    
279 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
280 :    
281 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
282 :    
283 :     * man/sFilter.Rd: Corrected documentation on statement format (use
284 :     '==' instead of '=').
285 :    
286 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
287 :    
288 :     * R/aobjects.R (StructuredTextDocument): Inherits from
289 :     TextDocument.
290 :    
291 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
292 :    
293 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
294 :     on sparse matrices as proposed by Martin Maechler.
295 :    
296 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
297 :    
298 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
299 :     \pkg{filehash} version makes them deprecated.
300 :    
301 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
302 :    
303 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
304 :     erasing stopwords.
305 :     (weightMatrix): Adapted to handle sparse matrices.
306 :     (TermDocMatrix): Sparse matrix is now efficiently built by
307 :     direct stepwise insertion of row values into it.
308 :    
309 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
310 :    
311 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
312 :     due to ongoing problems. For our purposes the latter is as useful
313 :     as the replaced package.
314 :    
315 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
316 :    
317 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
318 :    
319 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
320 :    
321 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
322 :    
323 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
324 :     languages with available stopwords.
325 :    
326 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
327 :    
328 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
329 :    
330 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
331 :    
332 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
333 :     have been integrated.
334 : feinerer 731
335 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
336 :     for various other languages.
337 :    
338 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
339 :    
340 : feinerer 730 * man/: Updated documentation.
341 :    
342 : feinerer 729 * Work/testDb.R: Script to test database stuff.
343 :    
344 :     * R/: Fixed various database related bugs. Seems to be rather
345 :     useable now, i.e., consider as alpha status for now.
346 :    
347 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
348 :    
349 :     * R/: Fixed some bugs related to database support.
350 :    
351 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
352 :    
353 :     * man/: Added a lot of examples to the manuals.
354 :    
355 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
356 :    
357 :     * man/: Updated parts of the documentation.
358 :    
359 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
360 :     documents to plain text documents.
361 :    
362 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
363 :    
364 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
365 :     intensively tested.
366 :    
367 : feinerer 723 * R/source.R: Now each source has a default reader.
368 :    
369 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
370 :     class anymore.
371 :    
372 :     * R/plaintextdoc.R: Custom show method for plain text documents.
373 :    
374 :     * R/aobjects.R: Added a class for structured text documents.
375 :    
376 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
377 :     \code{reader}.
378 :    
379 :     * R/textdoccol.R (summary): Indent tags.
380 :    
381 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
382 : feinerer 722 punctuation marks.
383 :    
384 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
385 :    
386 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
387 :     using prescindMeta().
388 :    
389 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
390 :    
391 :     * R/textdoccol.R: Improved database support.
392 :    
393 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
394 :    
395 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
396 :    
397 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
398 :     language code.
399 :    
400 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
401 :     into parserControl argument.
402 :    
403 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
404 :    
405 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
406 :    
407 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
408 :     created on the fly.
409 :    
410 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
411 :     a given language (English, German and French at the moment)
412 :    
413 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
414 :     otherwise falls back to Snowball package.
415 :    
416 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
417 :    
418 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
419 :     by "dists" from package "cba" can be used.
420 :    
421 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
422 :    
423 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
424 :     to Kurt's latex suggestion. Removed points and underscores in
425 :     variable names for consistent naming.
426 :    
427 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
428 :    
429 :     * man/TextRepository.Rd: Fixed bug in documentation.
430 :    
431 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
432 :    
433 :     * DESCRIPTION: Update to version 0.1-1.
434 :    
435 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
436 :    
437 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
438 :     wordStem.
439 :    
440 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
441 :    
442 :     * R/: Changes due to Kurt's review.
443 :    
444 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
445 :    
446 :     * R/: Implemented improvements based upon comments by David
447 :     Meyer.
448 :    
449 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
450 :    
451 :     * inst/doc/: Rewrote vignette.
452 :    
453 :     * man/: Improved documentation.
454 :    
455 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
456 :    
457 :     * man/: Updated documentation.
458 :    
459 :     * DESCRIPTION: Changed package name to "tm". Updated version to
460 :     0.1 for first CRAN release.
461 :    
462 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
463 :     list archive example.
464 :    
465 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
466 :     archive example.
467 :    
468 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
469 :     from (several mails per box) mbox format to (single mail per file)
470 :     eml format.
471 :    
472 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
473 :    
474 :     * data/crude.rda: Rebuilt.
475 :    
476 :     * data/acq.rda: Rebuilt.
477 :    
478 :     * R/reader.R: Factored out reader and parser methods from
479 :     textdoccol.R.
480 :    
481 :     * R/source.R: Factored out Source methods from aobjects.R and
482 :     textdoccol.R.
483 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
484 :     feeds.
485 :    
486 :     * R/textdoccol.R (DirSource): Added support for recursive
487 :     traversal of directories.
488 :    
489 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
490 :    
491 :     * R/textdoccol.R ([[): Loads the document corpus automatically
492 :     into memory upon access.
493 :     (tm_transform, tm_filter): Removed several checks whether the
494 :     document is already loaded ([[ ensures this now).
495 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
496 :     mailing list archive.
497 :    
498 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
499 :    
500 :     * R/aobjects.R (TextDocument): Is now a virtual class.
501 :     (Source): Is now a virtual class.
502 :    
503 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
504 :    
505 :     * R/textdoccol.R (c): Support for an arbitrary number of document
506 :     collections.
507 :    
508 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
509 :    
510 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
511 :     append_meta and remove_meta.
512 :    
513 :     * R/textdoccol.R: Removed modify_metadata method.
514 :    
515 :     * R/textrepo.R: Removed modify_metadata method.
516 :    
517 :     * R/textdoccol.R (remove_meta): Supports removal of document
518 :     collection metadata and document (= in data frame) metadata.
519 :    
520 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
521 :    
522 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
523 :    
524 :     * data/crude.rda: Rebuilt.
525 :    
526 :     * data/acq.rda: Rebuilt.
527 :    
528 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
529 :    
530 :     * R/textdoccol.R ([): Bug fix for subsetting a document
531 :     collection's data frame.
532 :    
533 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
534 :    
535 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
536 :     to s_filter.
537 :    
538 :     * R/textdoccol.R: Local text documents' metadata can now be copied
539 :     to a document collection's data frame with prescind_meta.
540 :    
541 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
542 :    
543 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
544 :    
545 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
546 :    
547 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
548 :    
549 :     * R/: Various fixes in handling metadata.
550 :    
551 :     * R/: Added update mechanism for text document collections.
552 :    
553 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
554 :    
555 :     * R/: Merging of document collections now creates a binary tree
556 :     for reconstructing merged document collections.
557 :    
558 :     * R/: Redesign of metadata for document collections.
559 :    
560 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
561 :    
562 :     * R/: Messages now use \code{ngettext}.
563 :    
564 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
565 :    
566 :     * R/: Added functions for modifying and removing metadata.
567 :    
568 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
569 :    
570 :     * man/: Updated some documentation.
571 :    
572 :     * R/: Corrected some connection issues.
573 :    
574 :     * inst/doc: Worked on the vignette.
575 :    
576 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
577 :    
578 : feinerer 66 * inst/: Added texts and started vignette.
579 :    
580 : feinerer 65 * R/: Final changes based upon David's comments.
581 :    
582 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
583 :    
584 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
585 :     directives!).
586 :    
587 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
588 :    
589 :     * R/: Modified the TextDocCol constructur and various parsers. It
590 :     is now modular and supports various file formats via plugins (see
591 :     the new "Source" class).
592 :    
593 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
594 :    
595 :     * man/: Revised documentation after previous code changes.
596 :    
597 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
598 :    
599 :     * R/: Remaining changes as discussed with David.
600 :    
601 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
602 :    
603 :     * R/: Some changes as suggested by David. The rest will follow
604 :     within the next days.
605 :    
606 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
607 :    
608 :     * man/: Finished documentation.
609 :    
610 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
611 :    
612 :     * man/: Wrote some documentation.
613 :    
614 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
615 :    
616 :     * R/: Further syntactic sugar in form of additional assignment and
617 :     accessor methods.
618 :    
619 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
620 :    
621 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
622 : feinerer 56 operators.
623 : feinerer 54
624 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
625 :    
626 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
627 :     and dissimilarities.
628 :    
629 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
630 :    
631 :     * R/: Added similarity functions.
632 :    
633 :     * data/: Added english stopwords.
634 :    
635 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
636 :    
637 : feinerer 51 * data/: Examples compiled for new features
638 :    
639 :     * R/: Changes due to new structure.
640 :    
641 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
642 :    
643 :     * R/termdocmatrix.R: Adapted for new naming scheme.
644 :    
645 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
646 :    
647 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
648 :     several transform and filter functions operating on text document
649 :     collections (alias text document databases).
650 :    
651 :     * R/aobjects.R: Adapted class structure with inheritance,
652 :     repositories and additional meta data. Loading files on demand is
653 :     now possible.
654 :    
655 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
656 :    
657 :     * R/: Some cosmetic cleanups.
658 :    
659 :     * inst/: Removed vignette on clustering. That and much more is now
660 :     described in the JSS paper on text mining. Based upon that
661 :     article an elaborated vignette will be incorporated in the future.
662 :    
663 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
664 :    
665 :     * R/: Updated generic S4 methods to comply with signature changes
666 :     in newer versions of R (> 2.3)
667 :    
668 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
669 :    
670 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
671 :    
672 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
673 :    
674 :     * R/textdoccol.R: Added RIS HTML input format.
675 :    
676 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
677 :    
678 :     * R/textdoccol.R: Removed bug that caused invalid text document
679 :     collections when handling many input files.
680 :    
681 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
682 :    
683 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
684 :     mechanism.
685 :    
686 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
687 :     ReutNews.rda
688 :    
689 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
690 :    
691 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
692 :    
693 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
694 :    
695 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
696 :     clustering facilities of this package.
697 :    
698 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
699 :    
700 :     * R/aobjects.R: Changed package document structure to avoid class
701 :     dependency problems.
702 :    
703 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
704 :    
705 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
706 : feinerer 29 data set.
707 :    
708 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
709 : feinerer 28 CMD check textmin" works without errors.
710 :    
711 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
712 :    
713 :     * src/: Various splits can now be easily created for the
714 :     Reuters21578 data set.
715 :    
716 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
717 :    
718 : feinerer 799 * Updated documentation
719 : feinerer 26
720 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
721 :    
722 : feinerer 799 * Wrote R documentation for some classes and methods.
723 : feinerer 25
724 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
725 :    
726 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
727 :     files. See the questionnaire data/Umfrage.csv for such an example.
728 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
729 : feinerer 22
730 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
731 : feinerer 21 matrix is now possible.
732 :    
733 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
734 :    
735 :     * R/textdoccol.R: One can build term-document matrices if
736 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
737 :     document collection with it.
738 :    
739 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
740 :    
741 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
742 :    
743 :     * R/textdoccol.R: We now can read in a whole XML file with several
744 :     news items.
745 :    
746 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
747 :    
748 :     * R/textdoccol.R: Set up an S4 class for a collection of text
749 :     documents. A first attempt to read in XML input (like the RCV1
750 :     set) was made.
751 :    
752 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
753 :     some accessor functions.
754 :    
755 :     * data/newsitem.xml: Added this XML file for testing purposes. It
756 :     contains a single news item from the Reuters Corpus Volume 1
757 :     (RCV1) XML set.
758 :    
759 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
760 :    
761 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
762 :     textmatrix as k-means clustering provided by R (kmeans) now works on
763 :     this textmatrix. The result is a k-means text clustering with a
764 :     similarity measure based upon word frequences.
765 :    
766 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
767 :    
768 :     * R/textmatrix.R: Adapted the preprocessing code from the R
769 :     package "lsa" written by Fridolin Wild to build a document text matrix.
770 :    
771 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
772 :    
773 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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