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Revision 962 - (view) (download)

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

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