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Annotation of /pkg/ChangeLog

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Revision 1017 - (view) (download)

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

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