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Revision 973 - (view) (download)

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

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