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Annotation of /pkg/ChangeLog

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Revision 1011 - (view) (download)

1 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * R/meta.R (DublinCore): Allow lower case tags.
4 :    
5 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
6 :    
7 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
8 :     instead of x$children.
9 :    
10 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
11 :    
12 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
13 :    
14 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
15 :    
16 :     * R/: Use S3 instead of S4 class system.
17 :    
18 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
19 :    
20 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
21 :    
22 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
23 :    
24 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
25 :     postings are basically e-mails with some extra headers.
26 :    
27 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
28 :    
29 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
30 :     removeMultipart, and removeSignature to the tm.plugin.mail package
31 :     since they are mainly utility functions (for handling e-mails) and
32 :     not very framework specific.
33 : feinerer 972
34 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
35 :    
36 :     * man/: Fix documentation.
37 :    
38 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
39 :    
40 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
41 :     plain text document instead of an XML document for texts of the
42 :     Reuters-21578 dataset.
43 :    
44 :     * R/sparse.R: Removed since the slam package is now available on
45 :     CRAN.
46 :    
47 :     * DESCRIPTION (Depends): Add slam package.
48 :    
49 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
50 :    
51 :     * R/transform.R (stemDoc): Fix character(0) handling.
52 :    
53 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
54 :    
55 :     * R/doc.R (show): Pretty print.
56 :    
57 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
58 :    
59 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
60 :     gracefully.
61 :    
62 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
63 :    
64 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
65 :     and permanent storage semantics.
66 :    
67 :     * DESCRIPTION: New major release. A *lot* of improvements.
68 :    
69 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
70 :    
71 :     * NAMESPACE: Export some simple_triplet_matrix functions.
72 :    
73 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
74 :    
75 :     * R/weight.R: Adapt tf-idf to new matrix format.
76 :    
77 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
78 :    
79 :     * R/matrix.R: Create two distinct classes for term-document and
80 :     document-term matrices.
81 :    
82 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
83 :    
84 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
85 :     package start-up time significantly.
86 : feinerer 938
87 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
88 :    
89 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
90 :    
91 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
92 :    
93 :     * R/transform.R (tmReduce): Combine multiple maps into one
94 :     transformation.
95 :    
96 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
97 :    
98 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
99 :     dgCMatrix.
100 :    
101 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
102 :     or TermDocumentMatrix instead.
103 : feinerer 923
104 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
105 :    
106 :     * inst/doc/extensions.Rnw: Finished vignette.
107 :    
108 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
109 :    
110 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
111 :     DocumentTermMatrix representations.
112 :    
113 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
114 :    
115 :     * R/reader.R (readXML): New reader for arbitrary XML files.
116 :    
117 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
118 :    
119 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
120 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
121 :     (Source): New slot Vectorized.
122 : feinerer 910
123 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
124 :    
125 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
126 :     structures which can be customized via user-defined mappings.
127 : feinerer 908
128 : feinerer 905 * R/reader.R: Always use UTC time zone.
129 :    
130 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
131 :    
132 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
133 :    
134 :     * R/reader.R (readDOC): Options can be passed over to antiword.
135 :    
136 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
137 :     pdftotext.
138 :    
139 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
140 :    
141 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
142 :     which are internally passed over to list.files().
143 :    
144 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
145 :    
146 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
147 :    
148 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
149 :    
150 :     * DESCRIPTION: Speed up package loading (via moving packages not
151 :     strictly necessary for normal operation to Suggests instead of
152 :     Depends).
153 :    
154 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
155 :    
156 :     * R/reader.R (readNewsgroup): The date format is now configurable.
157 :    
158 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
159 :    
160 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
161 :    
162 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
163 :    
164 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
165 :    
166 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
167 :    
168 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
169 :    
170 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
171 :    
172 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
173 :    
174 :     * R/source.R (URISource): New source class for a single document.
175 :    
176 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
177 :    
178 :     * R/source.R: Refactoring.
179 :    
180 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
181 :    
182 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
183 :     Rmpi installations more gracefully.
184 :    
185 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
186 :    
187 :     * R/source.R (Source): Add Length slot.
188 :    
189 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
190 :    
191 :     * R/AAA.R: Unify duplicated .onLoad function.
192 :    
193 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
194 :    
195 :     * DESCRIPTION (Suggests): Added Rmpi.
196 :    
197 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
198 :    
199 :     * R/source.R (getElem): Fix 'no visible binding' warning.
200 :    
201 :     * man/WeightFunction.Rd: Fix signature.
202 :    
203 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
204 :    
205 :     * R/weight.R: Introduce name abbreviations for weighting functions.
206 :    
207 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
208 :    
209 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
210 :    
211 :     * R/cluster.R: Provide convenience functions for using a MPI
212 :     cluster.
213 :    
214 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
215 :     available.
216 :    
217 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
218 :     available.
219 :    
220 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
221 :    
222 :     * R/textdoccol.R (lapply): Removed debug print out.
223 :    
224 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
225 :    
226 :     * R/reader.R (readRCV1): Improved meta data extraction from
227 :     Reuters Corpus Volume 1 documents.
228 :    
229 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
230 :    
231 :     * R/transform.R: Ensure that all mappings preserve multiline
232 :     structures.
233 :    
234 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
235 :    
236 :     * R/filter.R: Every filter has now an attribute indicating whether
237 :     it sould be applied to document level (doclevel).
238 :    
239 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
240 :     filter.
241 :    
242 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
243 :    
244 :     * R/transform.R (replacePatterns): Replaced removeWords by
245 :     replacePatterns. Suggested by Christian Buchta.
246 :    
247 :     * R/textdoccol.R (inspect): Improved formatting.
248 :    
249 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
250 :    
251 :     * inst/CITATION: Updated JSS article information.
252 :    
253 :     * R/textdoccol.R (setAs): Added coerce method from list to
254 :     corpus.
255 :    
256 :     * R/meta.R (meta): Improved meta data handling.
257 :    
258 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
259 :    
260 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
261 :     Christian Buchta.
262 :    
263 :     * inst/CITATION: Added template to include JSS article reference.
264 :    
265 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
266 :    
267 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
268 :    
269 : feinerer 832 * R/source.R: Added VectorSource.
270 :    
271 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
272 :    
273 :     * man/: Language codes should be in ISO 639-1 format.
274 :    
275 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
276 :    
277 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
278 :    
279 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
280 :     containing plain text documents to disk.
281 :    
282 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
283 :    
284 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
285 :     always set correctly.
286 :    
287 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
288 :     since in most cases this is the wanted behaviour.
289 :    
290 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
291 :    
292 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
293 :    
294 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
295 :    
296 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
297 :    
298 :     * R/meta.R (meta): New function for consistent access to meta data
299 :     of document collections, repositories, and texts.
300 :    
301 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
302 :    
303 :     * R/: Better support for encodings.
304 :    
305 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
306 :    
307 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
308 :     selection when no reader argument is given.
309 :    
310 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
311 :    
312 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
313 :     internally.
314 :    
315 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
316 :    
317 :     * R/reader.R (getReaders): Returns available reader functions.
318 :    
319 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
320 :     as default.
321 :    
322 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
323 :    
324 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
325 :     variable warnings.
326 :    
327 :     * man/: Documentation for showMeta, added an example for tmMap.
328 :    
329 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
330 :     some minor typos fixed.
331 :    
332 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
333 :    
334 :     * R/aobjects.R (showMeta): Added method for pretty printing a
335 :     text document's meta data.
336 :    
337 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
338 :    
339 :     * R/textdoccol.R (TextDocCol): Better handling of empty
340 :     arguments.
341 :    
342 :     * NAMESPACE: Exported readDOC.
343 :    
344 : feinerer 800 * man/completeStems.Rd: Added an example.
345 :    
346 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
347 : feinerer 796
348 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
349 :     call. Allows users to modify stopword .dat files interactively.
350 :    
351 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
352 :    
353 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
354 :     documents.
355 :    
356 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
357 :    
358 :     * man/: Updated documentation.
359 :    
360 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
361 :    
362 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
363 :     stems.
364 :    
365 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
366 :     constructor.
367 :    
368 :     * NAMESPACE: Exported termFreq.
369 :    
370 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
371 :    
372 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
373 :    
374 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
375 :    
376 :     * R/weight.R: Weighting functions for TermDocMatrix.
377 :    
378 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
379 :    
380 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
381 :     functions for accessing dimension, column, and row names.
382 :    
383 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
384 :    
385 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
386 :    
387 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
388 :    
389 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
390 :    
391 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
392 :    
393 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
394 :    
395 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
396 :     pdfinfo. The system call gives a warning anyway.
397 :    
398 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
399 :    
400 :     * R/textdoccol.R (asPlain): Conversion from
401 :     StructuredTextDocuments to PlainTextDocuments.
402 :    
403 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
404 :    
405 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
406 :     for accessing term-document matrices.
407 :    
408 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
409 :     are installed.
410 :    
411 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
412 :    
413 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
414 :     Christian Buchta.
415 :    
416 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
417 :    
418 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
419 :    
420 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
421 :    
422 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
423 :    
424 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
425 :    
426 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
427 :    
428 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
429 :    
430 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
431 :    
432 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
433 :    
434 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
435 :    
436 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
437 :    
438 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
439 :     package cba by new dist call from package proxy.
440 :    
441 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
442 :    
443 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
444 :    
445 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
446 :    
447 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
448 :     loading messages.
449 :    
450 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
451 :    
452 :     * R/dictionary.R: Added dictionary support.
453 :    
454 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
455 :    
456 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
457 :     documents. This simplifies some functions, e.g., asPlain.
458 :    
459 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
460 :    
461 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
462 :    
463 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
464 :    
465 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
466 :     words by a single word. Useful for synonyms.
467 :    
468 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
469 :    
470 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
471 :    
472 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
473 :    
474 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
475 :     vectors. Thanks to Ariel Maguyon for his error report.
476 :     (removeSparseTerms): New function to remove columns from a
477 :     term-document matrix exceeding a sparse factor.
478 :    
479 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
480 :    
481 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
482 :    
483 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
484 :    
485 :     * man/sFilter.Rd: Corrected documentation on statement format (use
486 :     '==' instead of '=').
487 :    
488 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
489 :    
490 :     * R/aobjects.R (StructuredTextDocument): Inherits from
491 :     TextDocument.
492 :    
493 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
494 :    
495 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
496 :     on sparse matrices as proposed by Martin Maechler.
497 :    
498 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
499 :    
500 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
501 :     \pkg{filehash} version makes them deprecated.
502 :    
503 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
504 :    
505 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
506 :     erasing stopwords.
507 :     (weightMatrix): Adapted to handle sparse matrices.
508 :     (TermDocMatrix): Sparse matrix is now efficiently built by
509 :     direct stepwise insertion of row values into it.
510 :    
511 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
512 :    
513 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
514 :     due to ongoing problems. For our purposes the latter is as useful
515 :     as the replaced package.
516 :    
517 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
518 :    
519 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
520 :    
521 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
522 :    
523 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
524 :    
525 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
526 :     languages with available stopwords.
527 :    
528 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
529 :    
530 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
531 :    
532 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
533 :    
534 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
535 :     have been integrated.
536 : feinerer 731
537 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
538 :     for various other languages.
539 :    
540 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
541 :    
542 : feinerer 730 * man/: Updated documentation.
543 :    
544 : feinerer 729 * Work/testDb.R: Script to test database stuff.
545 :    
546 :     * R/: Fixed various database related bugs. Seems to be rather
547 :     useable now, i.e., consider as alpha status for now.
548 :    
549 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
550 :    
551 :     * R/: Fixed some bugs related to database support.
552 :    
553 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
554 :    
555 :     * man/: Added a lot of examples to the manuals.
556 :    
557 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
558 :    
559 :     * man/: Updated parts of the documentation.
560 :    
561 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
562 :     documents to plain text documents.
563 :    
564 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
565 :    
566 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
567 :     intensively tested.
568 :    
569 : feinerer 723 * R/source.R: Now each source has a default reader.
570 :    
571 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
572 :     class anymore.
573 :    
574 :     * R/plaintextdoc.R: Custom show method for plain text documents.
575 :    
576 :     * R/aobjects.R: Added a class for structured text documents.
577 :    
578 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
579 :     \code{reader}.
580 :    
581 :     * R/textdoccol.R (summary): Indent tags.
582 :    
583 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
584 : feinerer 722 punctuation marks.
585 :    
586 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
587 :    
588 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
589 :     using prescindMeta().
590 :    
591 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
592 :    
593 :     * R/textdoccol.R: Improved database support.
594 :    
595 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
596 :    
597 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
598 :    
599 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
600 :     language code.
601 :    
602 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
603 :     into parserControl argument.
604 :    
605 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
606 :    
607 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
608 :    
609 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
610 :     created on the fly.
611 :    
612 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
613 :     a given language (English, German and French at the moment)
614 :    
615 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
616 :     otherwise falls back to Snowball package.
617 :    
618 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
619 :    
620 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
621 :     by "dists" from package "cba" can be used.
622 :    
623 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
624 :    
625 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
626 :     to Kurt's latex suggestion. Removed points and underscores in
627 :     variable names for consistent naming.
628 :    
629 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
630 :    
631 :     * man/TextRepository.Rd: Fixed bug in documentation.
632 :    
633 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
634 :    
635 :     * DESCRIPTION: Update to version 0.1-1.
636 :    
637 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
638 :    
639 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
640 :     wordStem.
641 :    
642 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
643 :    
644 :     * R/: Changes due to Kurt's review.
645 :    
646 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
647 :    
648 :     * R/: Implemented improvements based upon comments by David
649 :     Meyer.
650 :    
651 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
652 :    
653 :     * inst/doc/: Rewrote vignette.
654 :    
655 :     * man/: Improved documentation.
656 :    
657 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
658 :    
659 :     * man/: Updated documentation.
660 :    
661 :     * DESCRIPTION: Changed package name to "tm". Updated version to
662 :     0.1 for first CRAN release.
663 :    
664 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
665 :     list archive example.
666 :    
667 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
668 :     archive example.
669 :    
670 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
671 :     from (several mails per box) mbox format to (single mail per file)
672 :     eml format.
673 :    
674 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
675 :    
676 :     * data/crude.rda: Rebuilt.
677 :    
678 :     * data/acq.rda: Rebuilt.
679 :    
680 :     * R/reader.R: Factored out reader and parser methods from
681 :     textdoccol.R.
682 :    
683 :     * R/source.R: Factored out Source methods from aobjects.R and
684 :     textdoccol.R.
685 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
686 :     feeds.
687 :    
688 :     * R/textdoccol.R (DirSource): Added support for recursive
689 :     traversal of directories.
690 :    
691 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
692 :    
693 :     * R/textdoccol.R ([[): Loads the document corpus automatically
694 :     into memory upon access.
695 :     (tm_transform, tm_filter): Removed several checks whether the
696 :     document is already loaded ([[ ensures this now).
697 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
698 :     mailing list archive.
699 :    
700 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
701 :    
702 :     * R/aobjects.R (TextDocument): Is now a virtual class.
703 :     (Source): Is now a virtual class.
704 :    
705 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
706 :    
707 :     * R/textdoccol.R (c): Support for an arbitrary number of document
708 :     collections.
709 :    
710 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
711 :    
712 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
713 :     append_meta and remove_meta.
714 :    
715 :     * R/textdoccol.R: Removed modify_metadata method.
716 :    
717 :     * R/textrepo.R: Removed modify_metadata method.
718 :    
719 :     * R/textdoccol.R (remove_meta): Supports removal of document
720 :     collection metadata and document (= in data frame) metadata.
721 :    
722 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
723 :    
724 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
725 :    
726 :     * data/crude.rda: Rebuilt.
727 :    
728 :     * data/acq.rda: Rebuilt.
729 :    
730 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
731 :    
732 :     * R/textdoccol.R ([): Bug fix for subsetting a document
733 :     collection's data frame.
734 :    
735 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
736 :    
737 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
738 :     to s_filter.
739 :    
740 :     * R/textdoccol.R: Local text documents' metadata can now be copied
741 :     to a document collection's data frame with prescind_meta.
742 :    
743 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
744 :    
745 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
746 :    
747 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
748 :    
749 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
750 :    
751 :     * R/: Various fixes in handling metadata.
752 :    
753 :     * R/: Added update mechanism for text document collections.
754 :    
755 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
756 :    
757 :     * R/: Merging of document collections now creates a binary tree
758 :     for reconstructing merged document collections.
759 :    
760 :     * R/: Redesign of metadata for document collections.
761 :    
762 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
763 :    
764 :     * R/: Messages now use \code{ngettext}.
765 :    
766 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
767 :    
768 :     * R/: Added functions for modifying and removing metadata.
769 :    
770 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
771 :    
772 :     * man/: Updated some documentation.
773 :    
774 :     * R/: Corrected some connection issues.
775 :    
776 :     * inst/doc: Worked on the vignette.
777 :    
778 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
779 :    
780 : feinerer 66 * inst/: Added texts and started vignette.
781 :    
782 : feinerer 65 * R/: Final changes based upon David's comments.
783 :    
784 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
785 :    
786 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
787 :     directives!).
788 :    
789 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
790 :    
791 :     * R/: Modified the TextDocCol constructur and various parsers. It
792 :     is now modular and supports various file formats via plugins (see
793 :     the new "Source" class).
794 :    
795 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
796 :    
797 :     * man/: Revised documentation after previous code changes.
798 :    
799 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
800 :    
801 :     * R/: Remaining changes as discussed with David.
802 :    
803 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
804 :    
805 :     * R/: Some changes as suggested by David. The rest will follow
806 :     within the next days.
807 :    
808 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
809 :    
810 :     * man/: Finished documentation.
811 :    
812 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
813 :    
814 :     * man/: Wrote some documentation.
815 :    
816 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
817 :    
818 :     * R/: Further syntactic sugar in form of additional assignment and
819 :     accessor methods.
820 :    
821 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
822 :    
823 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
824 : feinerer 56 operators.
825 : feinerer 54
826 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
827 :    
828 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
829 :     and dissimilarities.
830 :    
831 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
832 :    
833 :     * R/: Added similarity functions.
834 :    
835 :     * data/: Added english stopwords.
836 :    
837 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
838 :    
839 : feinerer 51 * data/: Examples compiled for new features
840 :    
841 :     * R/: Changes due to new structure.
842 :    
843 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
844 :    
845 :     * R/termdocmatrix.R: Adapted for new naming scheme.
846 :    
847 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
848 :    
849 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
850 :     several transform and filter functions operating on text document
851 :     collections (alias text document databases).
852 :    
853 :     * R/aobjects.R: Adapted class structure with inheritance,
854 :     repositories and additional meta data. Loading files on demand is
855 :     now possible.
856 :    
857 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
858 :    
859 :     * R/: Some cosmetic cleanups.
860 :    
861 :     * inst/: Removed vignette on clustering. That and much more is now
862 :     described in the JSS paper on text mining. Based upon that
863 :     article an elaborated vignette will be incorporated in the future.
864 :    
865 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
866 :    
867 :     * R/: Updated generic S4 methods to comply with signature changes
868 :     in newer versions of R (> 2.3)
869 :    
870 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
871 :    
872 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
873 :    
874 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
875 :    
876 :     * R/textdoccol.R: Added RIS HTML input format.
877 :    
878 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
879 :    
880 :     * R/textdoccol.R: Removed bug that caused invalid text document
881 :     collections when handling many input files.
882 :    
883 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
884 :    
885 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
886 :     mechanism.
887 :    
888 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
889 :     ReutNews.rda
890 :    
891 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
892 :    
893 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
894 :    
895 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
896 :    
897 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
898 :     clustering facilities of this package.
899 :    
900 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
901 :    
902 :     * R/aobjects.R: Changed package document structure to avoid class
903 :     dependency problems.
904 :    
905 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
906 :    
907 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
908 : feinerer 29 data set.
909 :    
910 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
911 : feinerer 28 CMD check textmin" works without errors.
912 :    
913 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
914 :    
915 :     * src/: Various splits can now be easily created for the
916 :     Reuters21578 data set.
917 :    
918 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
919 :    
920 : feinerer 799 * Updated documentation
921 : feinerer 26
922 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
923 :    
924 : feinerer 799 * Wrote R documentation for some classes and methods.
925 : feinerer 25
926 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
927 :    
928 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
929 :     files. See the questionnaire data/Umfrage.csv for such an example.
930 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
931 : feinerer 22
932 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
933 : feinerer 21 matrix is now possible.
934 :    
935 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
936 :    
937 :     * R/textdoccol.R: One can build term-document matrices if
938 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
939 :     document collection with it.
940 :    
941 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
942 :    
943 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
944 :    
945 :     * R/textdoccol.R: We now can read in a whole XML file with several
946 :     news items.
947 :    
948 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
949 :    
950 :     * R/textdoccol.R: Set up an S4 class for a collection of text
951 :     documents. A first attempt to read in XML input (like the RCV1
952 :     set) was made.
953 :    
954 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
955 :     some accessor functions.
956 :    
957 :     * data/newsitem.xml: Added this XML file for testing purposes. It
958 :     contains a single news item from the Reuters Corpus Volume 1
959 :     (RCV1) XML set.
960 :    
961 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
962 :    
963 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
964 :     textmatrix as k-means clustering provided by R (kmeans) now works on
965 :     this textmatrix. The result is a k-means text clustering with a
966 :     similarity measure based upon word frequences.
967 :    
968 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
969 :    
970 :     * R/textmatrix.R: Adapted the preprocessing code from the R
971 :     package "lsa" written by Fridolin Wild to build a document text matrix.
972 :    
973 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
974 :    
975 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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