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Annotation of /pkg/ChangeLog

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Revision 959 - (view) (download)

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

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