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Revision 960 - (view) (download)

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

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