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Annotation of /pkg/ChangeLog

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Revision 1019 - (view) (download)

1 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
4 :     of RWeka:AlphabeticTokenizer() as default.
5 :    
6 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
7 :    
8 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
9 :     caused words at the beginning or the end of a line not to be removed. Do
10 :     not delete whitespace anymore.
11 :    
12 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
13 :    
14 :     * R/source.R (DirSource): Default to working directory if no path
15 :     is specified.
16 :    
17 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
18 :    
19 :     * R/source.R (DirSource): Stop on empty directories.
20 :    
21 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
22 :    
23 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
24 :     named documents.
25 :    
26 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
27 :    
28 :     * R/transform.R (removeWords): Improve regular expressions.
29 :    
30 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
31 :    
32 :     * R/meta.R (DublinCore): Allow lower case tags.
33 :    
34 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
35 :    
36 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
37 :     instead of x$children.
38 :    
39 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
40 :    
41 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
42 :    
43 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
44 :    
45 :     * R/: Use S3 instead of S4 class system.
46 :    
47 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
48 :    
49 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
50 :    
51 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
52 :    
53 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
54 :     postings are basically e-mails with some extra headers.
55 :    
56 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
57 :    
58 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
59 :     removeMultipart, and removeSignature to the tm.plugin.mail package
60 :     since they are mainly utility functions (for handling e-mails) and
61 :     not very framework specific.
62 : feinerer 972
63 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
64 :    
65 :     * man/: Fix documentation.
66 :    
67 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
68 :    
69 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
70 :     plain text document instead of an XML document for texts of the
71 :     Reuters-21578 dataset.
72 :    
73 :     * R/sparse.R: Removed since the slam package is now available on
74 :     CRAN.
75 :    
76 :     * DESCRIPTION (Depends): Add slam package.
77 :    
78 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
79 :    
80 :     * R/transform.R (stemDoc): Fix character(0) handling.
81 :    
82 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
83 :    
84 :     * R/doc.R (show): Pretty print.
85 :    
86 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
87 :    
88 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
89 :     gracefully.
90 :    
91 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
92 :    
93 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
94 :     and permanent storage semantics.
95 :    
96 :     * DESCRIPTION: New major release. A *lot* of improvements.
97 :    
98 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
99 :    
100 :     * NAMESPACE: Export some simple_triplet_matrix functions.
101 :    
102 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
103 :    
104 :     * R/weight.R: Adapt tf-idf to new matrix format.
105 :    
106 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
107 :    
108 :     * R/matrix.R: Create two distinct classes for term-document and
109 :     document-term matrices.
110 :    
111 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
112 :    
113 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
114 :     package start-up time significantly.
115 : feinerer 938
116 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
117 :    
118 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
119 :    
120 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
121 :    
122 :     * R/transform.R (tmReduce): Combine multiple maps into one
123 :     transformation.
124 :    
125 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
126 :    
127 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
128 :     dgCMatrix.
129 :    
130 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
131 :     or TermDocumentMatrix instead.
132 : feinerer 923
133 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
134 :    
135 :     * inst/doc/extensions.Rnw: Finished vignette.
136 :    
137 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
138 :    
139 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
140 :     DocumentTermMatrix representations.
141 :    
142 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
143 :    
144 :     * R/reader.R (readXML): New reader for arbitrary XML files.
145 :    
146 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
147 :    
148 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
149 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
150 :     (Source): New slot Vectorized.
151 : feinerer 910
152 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
153 :    
154 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
155 :     structures which can be customized via user-defined mappings.
156 : feinerer 908
157 : feinerer 905 * R/reader.R: Always use UTC time zone.
158 :    
159 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
160 :    
161 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
162 :    
163 :     * R/reader.R (readDOC): Options can be passed over to antiword.
164 :    
165 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
166 :     pdftotext.
167 :    
168 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
169 :    
170 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
171 :     which are internally passed over to list.files().
172 :    
173 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
174 :    
175 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
176 :    
177 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
178 :    
179 :     * DESCRIPTION: Speed up package loading (via moving packages not
180 :     strictly necessary for normal operation to Suggests instead of
181 :     Depends).
182 :    
183 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
184 :    
185 :     * R/reader.R (readNewsgroup): The date format is now configurable.
186 :    
187 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
188 :    
189 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
190 :    
191 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
192 :    
193 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
194 :    
195 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
196 :    
197 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
198 :    
199 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
200 :    
201 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
202 :    
203 :     * R/source.R (URISource): New source class for a single document.
204 :    
205 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
206 :    
207 :     * R/source.R: Refactoring.
208 :    
209 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
210 :    
211 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
212 :     Rmpi installations more gracefully.
213 :    
214 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
215 :    
216 :     * R/source.R (Source): Add Length slot.
217 :    
218 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
219 :    
220 :     * R/AAA.R: Unify duplicated .onLoad function.
221 :    
222 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
223 :    
224 :     * DESCRIPTION (Suggests): Added Rmpi.
225 :    
226 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
227 :    
228 :     * R/source.R (getElem): Fix 'no visible binding' warning.
229 :    
230 :     * man/WeightFunction.Rd: Fix signature.
231 :    
232 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
233 :    
234 :     * R/weight.R: Introduce name abbreviations for weighting functions.
235 :    
236 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
237 :    
238 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
239 :    
240 :     * R/cluster.R: Provide convenience functions for using a MPI
241 :     cluster.
242 :    
243 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
244 :     available.
245 :    
246 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
247 :     available.
248 :    
249 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
250 :    
251 :     * R/textdoccol.R (lapply): Removed debug print out.
252 :    
253 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
254 :    
255 :     * R/reader.R (readRCV1): Improved meta data extraction from
256 :     Reuters Corpus Volume 1 documents.
257 :    
258 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
259 :    
260 :     * R/transform.R: Ensure that all mappings preserve multiline
261 :     structures.
262 :    
263 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
264 :    
265 :     * R/filter.R: Every filter has now an attribute indicating whether
266 :     it sould be applied to document level (doclevel).
267 :    
268 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
269 :     filter.
270 :    
271 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
272 :    
273 :     * R/transform.R (replacePatterns): Replaced removeWords by
274 :     replacePatterns. Suggested by Christian Buchta.
275 :    
276 :     * R/textdoccol.R (inspect): Improved formatting.
277 :    
278 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
279 :    
280 :     * inst/CITATION: Updated JSS article information.
281 :    
282 :     * R/textdoccol.R (setAs): Added coerce method from list to
283 :     corpus.
284 :    
285 :     * R/meta.R (meta): Improved meta data handling.
286 :    
287 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
288 :    
289 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
290 :     Christian Buchta.
291 :    
292 :     * inst/CITATION: Added template to include JSS article reference.
293 :    
294 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
295 :    
296 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
297 :    
298 : feinerer 832 * R/source.R: Added VectorSource.
299 :    
300 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
301 :    
302 :     * man/: Language codes should be in ISO 639-1 format.
303 :    
304 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
305 :    
306 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
307 :    
308 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
309 :     containing plain text documents to disk.
310 :    
311 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
312 :    
313 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
314 :     always set correctly.
315 :    
316 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
317 :     since in most cases this is the wanted behaviour.
318 :    
319 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
320 :    
321 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
322 :    
323 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
324 :    
325 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
326 :    
327 :     * R/meta.R (meta): New function for consistent access to meta data
328 :     of document collections, repositories, and texts.
329 :    
330 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
331 :    
332 :     * R/: Better support for encodings.
333 :    
334 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
335 :    
336 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
337 :     selection when no reader argument is given.
338 :    
339 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
340 :    
341 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
342 :     internally.
343 :    
344 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
345 :    
346 :     * R/reader.R (getReaders): Returns available reader functions.
347 :    
348 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
349 :     as default.
350 :    
351 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
352 :    
353 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
354 :     variable warnings.
355 :    
356 :     * man/: Documentation for showMeta, added an example for tmMap.
357 :    
358 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
359 :     some minor typos fixed.
360 :    
361 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
362 :    
363 :     * R/aobjects.R (showMeta): Added method for pretty printing a
364 :     text document's meta data.
365 :    
366 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
367 :    
368 :     * R/textdoccol.R (TextDocCol): Better handling of empty
369 :     arguments.
370 :    
371 :     * NAMESPACE: Exported readDOC.
372 :    
373 : feinerer 800 * man/completeStems.Rd: Added an example.
374 :    
375 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
376 : feinerer 796
377 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
378 :     call. Allows users to modify stopword .dat files interactively.
379 :    
380 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
381 :    
382 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
383 :     documents.
384 :    
385 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
386 :    
387 :     * man/: Updated documentation.
388 :    
389 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
390 :    
391 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
392 :     stems.
393 :    
394 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
395 :     constructor.
396 :    
397 :     * NAMESPACE: Exported termFreq.
398 :    
399 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
400 :    
401 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
402 :    
403 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
404 :    
405 :     * R/weight.R: Weighting functions for TermDocMatrix.
406 :    
407 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
408 :    
409 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
410 :     functions for accessing dimension, column, and row names.
411 :    
412 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
413 :    
414 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
415 :    
416 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
417 :    
418 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
419 :    
420 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
421 :    
422 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
423 :    
424 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
425 :     pdfinfo. The system call gives a warning anyway.
426 :    
427 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
428 :    
429 :     * R/textdoccol.R (asPlain): Conversion from
430 :     StructuredTextDocuments to PlainTextDocuments.
431 :    
432 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
433 :    
434 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
435 :     for accessing term-document matrices.
436 :    
437 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
438 :     are installed.
439 :    
440 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
441 :    
442 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
443 :     Christian Buchta.
444 :    
445 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
446 :    
447 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
448 :    
449 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
450 :    
451 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
452 :    
453 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
454 :    
455 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
456 :    
457 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
458 :    
459 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
460 :    
461 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
462 :    
463 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
464 :    
465 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
466 :    
467 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
468 :     package cba by new dist call from package proxy.
469 :    
470 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
471 :    
472 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
473 :    
474 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
475 :    
476 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
477 :     loading messages.
478 :    
479 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
480 :    
481 :     * R/dictionary.R: Added dictionary support.
482 :    
483 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
484 :    
485 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
486 :     documents. This simplifies some functions, e.g., asPlain.
487 :    
488 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
489 :    
490 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
491 :    
492 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
493 :    
494 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
495 :     words by a single word. Useful for synonyms.
496 :    
497 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
498 :    
499 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
500 :    
501 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
502 :    
503 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
504 :     vectors. Thanks to Ariel Maguyon for his error report.
505 :     (removeSparseTerms): New function to remove columns from a
506 :     term-document matrix exceeding a sparse factor.
507 :    
508 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
509 :    
510 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
511 :    
512 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
513 :    
514 :     * man/sFilter.Rd: Corrected documentation on statement format (use
515 :     '==' instead of '=').
516 :    
517 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
518 :    
519 :     * R/aobjects.R (StructuredTextDocument): Inherits from
520 :     TextDocument.
521 :    
522 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
523 :    
524 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
525 :     on sparse matrices as proposed by Martin Maechler.
526 :    
527 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
528 :    
529 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
530 :     \pkg{filehash} version makes them deprecated.
531 :    
532 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
533 :    
534 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
535 :     erasing stopwords.
536 :     (weightMatrix): Adapted to handle sparse matrices.
537 :     (TermDocMatrix): Sparse matrix is now efficiently built by
538 :     direct stepwise insertion of row values into it.
539 :    
540 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
541 :    
542 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
543 :     due to ongoing problems. For our purposes the latter is as useful
544 :     as the replaced package.
545 :    
546 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
547 :    
548 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
549 :    
550 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
551 :    
552 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
553 :    
554 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
555 :     languages with available stopwords.
556 :    
557 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
558 :    
559 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
560 :    
561 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
562 :    
563 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
564 :     have been integrated.
565 : feinerer 731
566 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
567 :     for various other languages.
568 :    
569 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
570 :    
571 : feinerer 730 * man/: Updated documentation.
572 :    
573 : feinerer 729 * Work/testDb.R: Script to test database stuff.
574 :    
575 :     * R/: Fixed various database related bugs. Seems to be rather
576 :     useable now, i.e., consider as alpha status for now.
577 :    
578 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
579 :    
580 :     * R/: Fixed some bugs related to database support.
581 :    
582 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
583 :    
584 :     * man/: Added a lot of examples to the manuals.
585 :    
586 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
587 :    
588 :     * man/: Updated parts of the documentation.
589 :    
590 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
591 :     documents to plain text documents.
592 :    
593 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
594 :    
595 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
596 :     intensively tested.
597 :    
598 : feinerer 723 * R/source.R: Now each source has a default reader.
599 :    
600 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
601 :     class anymore.
602 :    
603 :     * R/plaintextdoc.R: Custom show method for plain text documents.
604 :    
605 :     * R/aobjects.R: Added a class for structured text documents.
606 :    
607 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
608 :     \code{reader}.
609 :    
610 :     * R/textdoccol.R (summary): Indent tags.
611 :    
612 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
613 : feinerer 722 punctuation marks.
614 :    
615 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
616 :    
617 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
618 :     using prescindMeta().
619 :    
620 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
621 :    
622 :     * R/textdoccol.R: Improved database support.
623 :    
624 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
625 :    
626 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
627 :    
628 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
629 :     language code.
630 :    
631 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
632 :     into parserControl argument.
633 :    
634 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
635 :    
636 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
637 :    
638 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
639 :     created on the fly.
640 :    
641 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
642 :     a given language (English, German and French at the moment)
643 :    
644 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
645 :     otherwise falls back to Snowball package.
646 :    
647 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
648 :    
649 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
650 :     by "dists" from package "cba" can be used.
651 :    
652 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
653 :    
654 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
655 :     to Kurt's latex suggestion. Removed points and underscores in
656 :     variable names for consistent naming.
657 :    
658 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
659 :    
660 :     * man/TextRepository.Rd: Fixed bug in documentation.
661 :    
662 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
663 :    
664 :     * DESCRIPTION: Update to version 0.1-1.
665 :    
666 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
667 :    
668 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
669 :     wordStem.
670 :    
671 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
672 :    
673 :     * R/: Changes due to Kurt's review.
674 :    
675 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
676 :    
677 :     * R/: Implemented improvements based upon comments by David
678 :     Meyer.
679 :    
680 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
681 :    
682 :     * inst/doc/: Rewrote vignette.
683 :    
684 :     * man/: Improved documentation.
685 :    
686 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
687 :    
688 :     * man/: Updated documentation.
689 :    
690 :     * DESCRIPTION: Changed package name to "tm". Updated version to
691 :     0.1 for first CRAN release.
692 :    
693 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
694 :     list archive example.
695 :    
696 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
697 :     archive example.
698 :    
699 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
700 :     from (several mails per box) mbox format to (single mail per file)
701 :     eml format.
702 :    
703 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
704 :    
705 :     * data/crude.rda: Rebuilt.
706 :    
707 :     * data/acq.rda: Rebuilt.
708 :    
709 :     * R/reader.R: Factored out reader and parser methods from
710 :     textdoccol.R.
711 :    
712 :     * R/source.R: Factored out Source methods from aobjects.R and
713 :     textdoccol.R.
714 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
715 :     feeds.
716 :    
717 :     * R/textdoccol.R (DirSource): Added support for recursive
718 :     traversal of directories.
719 :    
720 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
721 :    
722 :     * R/textdoccol.R ([[): Loads the document corpus automatically
723 :     into memory upon access.
724 :     (tm_transform, tm_filter): Removed several checks whether the
725 :     document is already loaded ([[ ensures this now).
726 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
727 :     mailing list archive.
728 :    
729 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
730 :    
731 :     * R/aobjects.R (TextDocument): Is now a virtual class.
732 :     (Source): Is now a virtual class.
733 :    
734 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
735 :    
736 :     * R/textdoccol.R (c): Support for an arbitrary number of document
737 :     collections.
738 :    
739 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
740 :    
741 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
742 :     append_meta and remove_meta.
743 :    
744 :     * R/textdoccol.R: Removed modify_metadata method.
745 :    
746 :     * R/textrepo.R: Removed modify_metadata method.
747 :    
748 :     * R/textdoccol.R (remove_meta): Supports removal of document
749 :     collection metadata and document (= in data frame) metadata.
750 :    
751 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
752 :    
753 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
754 :    
755 :     * data/crude.rda: Rebuilt.
756 :    
757 :     * data/acq.rda: Rebuilt.
758 :    
759 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
760 :    
761 :     * R/textdoccol.R ([): Bug fix for subsetting a document
762 :     collection's data frame.
763 :    
764 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
765 :    
766 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
767 :     to s_filter.
768 :    
769 :     * R/textdoccol.R: Local text documents' metadata can now be copied
770 :     to a document collection's data frame with prescind_meta.
771 :    
772 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
773 :    
774 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
775 :    
776 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
777 :    
778 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
779 :    
780 :     * R/: Various fixes in handling metadata.
781 :    
782 :     * R/: Added update mechanism for text document collections.
783 :    
784 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
785 :    
786 :     * R/: Merging of document collections now creates a binary tree
787 :     for reconstructing merged document collections.
788 :    
789 :     * R/: Redesign of metadata for document collections.
790 :    
791 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
792 :    
793 :     * R/: Messages now use \code{ngettext}.
794 :    
795 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
796 :    
797 :     * R/: Added functions for modifying and removing metadata.
798 :    
799 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
800 :    
801 :     * man/: Updated some documentation.
802 :    
803 :     * R/: Corrected some connection issues.
804 :    
805 :     * inst/doc: Worked on the vignette.
806 :    
807 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
808 :    
809 : feinerer 66 * inst/: Added texts and started vignette.
810 :    
811 : feinerer 65 * R/: Final changes based upon David's comments.
812 :    
813 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
814 :    
815 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
816 :     directives!).
817 :    
818 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
819 :    
820 :     * R/: Modified the TextDocCol constructur and various parsers. It
821 :     is now modular and supports various file formats via plugins (see
822 :     the new "Source" class).
823 :    
824 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
825 :    
826 :     * man/: Revised documentation after previous code changes.
827 :    
828 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
829 :    
830 :     * R/: Remaining changes as discussed with David.
831 :    
832 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
833 :    
834 :     * R/: Some changes as suggested by David. The rest will follow
835 :     within the next days.
836 :    
837 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
838 :    
839 :     * man/: Finished documentation.
840 :    
841 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
842 :    
843 :     * man/: Wrote some documentation.
844 :    
845 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
846 :    
847 :     * R/: Further syntactic sugar in form of additional assignment and
848 :     accessor methods.
849 :    
850 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
851 :    
852 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
853 : feinerer 56 operators.
854 : feinerer 54
855 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
856 :    
857 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
858 :     and dissimilarities.
859 :    
860 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
861 :    
862 :     * R/: Added similarity functions.
863 :    
864 :     * data/: Added english stopwords.
865 :    
866 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
867 :    
868 : feinerer 51 * data/: Examples compiled for new features
869 :    
870 :     * R/: Changes due to new structure.
871 :    
872 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
873 :    
874 :     * R/termdocmatrix.R: Adapted for new naming scheme.
875 :    
876 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
877 :    
878 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
879 :     several transform and filter functions operating on text document
880 :     collections (alias text document databases).
881 :    
882 :     * R/aobjects.R: Adapted class structure with inheritance,
883 :     repositories and additional meta data. Loading files on demand is
884 :     now possible.
885 :    
886 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
887 :    
888 :     * R/: Some cosmetic cleanups.
889 :    
890 :     * inst/: Removed vignette on clustering. That and much more is now
891 :     described in the JSS paper on text mining. Based upon that
892 :     article an elaborated vignette will be incorporated in the future.
893 :    
894 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
895 :    
896 :     * R/: Updated generic S4 methods to comply with signature changes
897 :     in newer versions of R (> 2.3)
898 :    
899 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
900 :    
901 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
902 :    
903 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
904 :    
905 :     * R/textdoccol.R: Added RIS HTML input format.
906 :    
907 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
908 :    
909 :     * R/textdoccol.R: Removed bug that caused invalid text document
910 :     collections when handling many input files.
911 :    
912 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
913 :    
914 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
915 :     mechanism.
916 :    
917 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
918 :     ReutNews.rda
919 :    
920 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
921 :    
922 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
923 :    
924 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
925 :    
926 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
927 :     clustering facilities of this package.
928 :    
929 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
930 :    
931 :     * R/aobjects.R: Changed package document structure to avoid class
932 :     dependency problems.
933 :    
934 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
935 :    
936 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
937 : feinerer 29 data set.
938 :    
939 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
940 : feinerer 28 CMD check textmin" works without errors.
941 :    
942 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
943 :    
944 :     * src/: Various splits can now be easily created for the
945 :     Reuters21578 data set.
946 :    
947 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
948 :    
949 : feinerer 799 * Updated documentation
950 : feinerer 26
951 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
952 :    
953 : feinerer 799 * Wrote R documentation for some classes and methods.
954 : feinerer 25
955 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
956 :    
957 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
958 :     files. See the questionnaire data/Umfrage.csv for such an example.
959 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
960 : feinerer 22
961 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
962 : feinerer 21 matrix is now possible.
963 :    
964 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
965 :    
966 :     * R/textdoccol.R: One can build term-document matrices if
967 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
968 :     document collection with it.
969 :    
970 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
971 :    
972 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
973 :    
974 :     * R/textdoccol.R: We now can read in a whole XML file with several
975 :     news items.
976 :    
977 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
978 :    
979 :     * R/textdoccol.R: Set up an S4 class for a collection of text
980 :     documents. A first attempt to read in XML input (like the RCV1
981 :     set) was made.
982 :    
983 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
984 :     some accessor functions.
985 :    
986 :     * data/newsitem.xml: Added this XML file for testing purposes. It
987 :     contains a single news item from the Reuters Corpus Volume 1
988 :     (RCV1) XML set.
989 :    
990 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
991 :    
992 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
993 :     textmatrix as k-means clustering provided by R (kmeans) now works on
994 :     this textmatrix. The result is a k-means text clustering with a
995 :     similarity measure based upon word frequences.
996 :    
997 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
998 :    
999 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1000 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1001 :    
1002 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1003 :    
1004 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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