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Annotation of /pkg/ChangeLog

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Revision 957 - (view) (download)

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

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