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Revision 972 - (view) (download)

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

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