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Revision 1153 - (view) (download)

1 : feinerer 1151 2011-11-17 Ingo Feinerer <feinerer@logic.at>
2 :    
3 : feinerer 1153 * inst/stopwords/SMART.dat: Add SMART information retrieval system
4 :     stopwords (which are also used by the MC toolkit).
5 :    
6 : feinerer 1151 * R/matrix (termFreq): Allow local option \code{bounds$local} to
7 :     restrict how often a term may appear in each document (generalizes
8 :     \code{minDocFreq}). Similarly the local option \code{wordLenghts}
9 :     for word length bounds (generalizes \code{minWordLength}).
10 :    
11 :     * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
12 :     \code{bounds$global} for restricting how often a term is allowed
13 :     to appear in different documents.
14 :    
15 :     * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
16 :     local options delegated internally to termFreq() and global
17 :     options which are processed by the term-document matrix
18 :     constructor itself.
19 :    
20 : feinerer 1150 2011-11-15 Ingo Feinerer <feinerer@logic.at>
21 :    
22 :     * man/getTokenizers.Rd: Document getTokenizers().
23 :    
24 :     * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
25 :    
26 : feinerer 1149 2011-11-04 Ingo Feinerer <feinerer@logic.at>
27 :    
28 :     * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
29 :    
30 : feinerer 1150 * man/combine.Rd: Document c.term_frequency().
31 : feinerer 1149
32 : feinerer 1147 2011-10-11 Ingo Feinerer <feinerer@logic.at>
33 :    
34 :     * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
35 :     can be accessed via '[' and not '[['.
36 :    
37 : feinerer 1139 2011-08-24 Ingo Feinerer <feinerer@logic.at>
38 :    
39 :     * R/stopwords.R (stopwords): Raise an error if no stopwords are
40 :     available for requested language. Suggested by Derek M Jones.
41 :    
42 : feinerer 1136 2011-05-27 Ingo Feinerer <feinerer@logic.at>
43 :    
44 :     * R/weight.R (weightSMART): Implement Cosine and pivoted unique
45 :     normalization.
46 :    
47 : feinerer 1121 2011-02-17 Ingo Feinerer <feinerer@logic.at>
48 :    
49 :     * R/transform.R (stemDocument.PlainTextDocument): Use language
50 :     argument.
51 :    
52 : feinerer 1117 2011-02-04 Ingo Feinerer <feinerer@logic.at>
53 :    
54 :     * R/source.R: Store strings and connections instead of unevaluated
55 :     calls.
56 :    
57 : feinerer 1114 2010-11-26 Ingo Feinerer <feinerer@logic.at>
58 :    
59 :     * R/corpus.R (Corpus): Allow init and exit hooks for readers.
60 :    
61 : feinerer 1108 2010-10-22 Ingo Feinerer <feinerer@logic.at>
62 :    
63 :     * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
64 :     (instead of a list element).
65 :    
66 : feinerer 1102 2010-10-16 Ingo Feinerer <feinerer@logic.at>
67 :    
68 :     * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
69 : feinerer 1108 documents by names (fallback to IDs if names are not set).
70 : feinerer 1102
71 : feinerer 1095 2010-08-25 Ingo Feinerer <feinerer@logic.at>
72 :    
73 :     * R/corpus.R (c.Corpus): When concatenating corpora, the argument
74 :     \code{recursive} now determines whether existing corpus meta data
75 :     is used.
76 :    
77 : feinerer 1084 2010-08-06 Ingo Feinerer <feinerer@logic.at>
78 :    
79 :     * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
80 :    
81 : feinerer 1080 2010-06-17 Ingo Feinerer <feinerer@logic.at>
82 :    
83 :     * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
84 :     remove terms not occurring in the corpus anymore.
85 :    
86 : feinerer 1075 2010-06-02 Ingo Feinerer <feinerer@logic.at>
87 :    
88 :     * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
89 :     and Heaps' law.
90 :    
91 : feinerer 1070 2010-05-18 Ingo Feinerer <feinerer@logic.at>
92 :    
93 :     * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
94 :     provided by a source.
95 :    
96 : feinerer 1063 2010-04-09 Ingo Feinerer <feinerer@logic.at>
97 :    
98 :     * R/source.R (.Source): Provide document names.
99 :    
100 : feinerer 1062 2010-04-07 Ingo Feinerer <feinerer@logic.at>
101 :    
102 :     * R/meta.R (`content_or_meta`): Utility function.
103 :    
104 : feinerer 1061 2010-03-19 Ingo Feinerer <feinerer@logic.at>
105 :    
106 :     * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
107 :     TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
108 :    
109 : feinerer 1048 2010-03-03 Ingo Feinerer <feinerer@logic.at>
110 :    
111 : feinerer 1051 * R/weight.R (weightTfIdf): Added normalization option.
112 :    
113 : feinerer 1048 * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
114 :     analysis.
115 :    
116 : feinerer 1046 2010-02-25 Ingo Feinerer <feinerer@logic.at>
117 :    
118 :     * R/score.R (tm_tag_score): Compute a score from the number of
119 :     tags matching in a document.
120 :    
121 : feinerer 1041 2010-02-18 Ingo Feinerer <feinerer@logic.at>
122 :    
123 :     * R/complete.R (stemCompletion): New completion heuristics.
124 :    
125 :     2010-02-17 Ingo Feinerer <feinerer@logic.at>
126 :    
127 :     * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
128 :    
129 : feinerer 1040 2010-02-06 Ingo Feinerer <feinerer@logic.at>
130 :    
131 :     * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
132 :     setOldClass(c(..., "list")) works.
133 :    
134 : feinerer 1039 2010-01-22 Ingo Feinerer <feinerer@logic.at>
135 :    
136 :     * R/transform.R (stemDocument.character): In case input is a
137 :     simple character just delegate to the default Snowball stemmer.
138 :    
139 : feinerer 1038 2010-01-15 Ingo Feinerer <feinerer@logic.at>
140 :    
141 :     * R/reader.R (readReut21578XML, readRCV1): Extract more meta
142 :     data.
143 :    
144 : feinerer 1034 2010-01-12 Ingo Feinerer <feinerer@logic.at>
145 :    
146 :     * R/doc.R (`Content<-`): Be careful with names attribute.
147 :    
148 : stefan7th 1032 2010-01-07 Stefan Theussl <stefan.theussl@wu.ac.at>
149 :    
150 :     * R/source.R (DirSource): Improved implementation especially when
151 : feinerer 1042 handling many (> 1M) files.
152 : stefan7th 1032
153 : feinerer 1029 2009-12-22 Ingo Feinerer <feinerer@logic.at>
154 :    
155 :     * R/source.R (getElem.URISource): Use encoding argument.
156 :    
157 : feinerer 1025 2009-12-11 Ingo Feinerer <feinerer@logic.at>
158 :    
159 :     * R/doc.R (setOldClass): Register S3 document classes to be
160 :     recognized by S4 methods.
161 :    
162 : feinerer 1023 2009-11-25 Ingo Feinerer <feinerer@logic.at>
163 :    
164 :     * R/matrix.R (termFreq): Add option to remove punctuation
165 :     characters.
166 :    
167 : feinerer 1022 2009-11-19 Ingo Feinerer <feinerer@logic.at>
168 :    
169 :     * R/matrix.R (c.TermDocumentMatrix): Added combine method for
170 :     merging multiple term-document matrices.
171 :    
172 : feinerer 1020 2009-11-17 Ingo Feinerer <feinerer@logic.at>
173 :    
174 : feinerer 1021 * R/corpus.R (setOldClass): Register S3 corpus classes to be
175 :     recognized by S4 methods.
176 :    
177 : feinerer 1020 * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
178 :     that CRAN Mac OS X builds do not fail any longer.
179 :    
180 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
181 :    
182 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
183 :     of RWeka:AlphabeticTokenizer() as default.
184 :    
185 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
186 :    
187 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
188 :     caused words at the beginning or the end of a line not to be removed. Do
189 :     not delete whitespace anymore.
190 :    
191 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
192 :    
193 :     * R/source.R (DirSource): Default to working directory if no path
194 :     is specified.
195 :    
196 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
197 :    
198 :     * R/source.R (DirSource): Stop on empty directories.
199 :    
200 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
201 :    
202 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
203 :     named documents.
204 :    
205 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
206 :    
207 :     * R/transform.R (removeWords): Improve regular expressions.
208 :    
209 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
210 :    
211 :     * R/meta.R (DublinCore): Allow lower case tags.
212 :    
213 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
214 :    
215 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
216 :     instead of x$children.
217 :    
218 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
219 :    
220 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
221 :    
222 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
223 :    
224 :     * R/: Use S3 instead of S4 class system.
225 :    
226 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
227 :    
228 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
229 :    
230 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
231 :    
232 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
233 :     postings are basically e-mails with some extra headers.
234 :    
235 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
236 :    
237 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
238 :     removeMultipart, and removeSignature to the tm.plugin.mail package
239 :     since they are mainly utility functions (for handling e-mails) and
240 :     not very framework specific.
241 : feinerer 972
242 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
243 :    
244 :     * man/: Fix documentation.
245 :    
246 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
247 :    
248 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
249 :     plain text document instead of an XML document for texts of the
250 :     Reuters-21578 dataset.
251 :    
252 :     * R/sparse.R: Removed since the slam package is now available on
253 :     CRAN.
254 :    
255 :     * DESCRIPTION (Depends): Add slam package.
256 :    
257 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
258 :    
259 :     * R/transform.R (stemDoc): Fix character(0) handling.
260 :    
261 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
262 :    
263 :     * R/doc.R (show): Pretty print.
264 :    
265 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
266 :    
267 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
268 :     gracefully.
269 :    
270 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
271 :    
272 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
273 :     and permanent storage semantics.
274 :    
275 :     * DESCRIPTION: New major release. A *lot* of improvements.
276 :    
277 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
278 :    
279 :     * NAMESPACE: Export some simple_triplet_matrix functions.
280 :    
281 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
282 :    
283 :     * R/weight.R: Adapt tf-idf to new matrix format.
284 :    
285 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
286 :    
287 :     * R/matrix.R: Create two distinct classes for term-document and
288 :     document-term matrices.
289 :    
290 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
291 :    
292 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
293 :     package start-up time significantly.
294 : feinerer 938
295 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
296 :    
297 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
298 :    
299 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
300 :    
301 :     * R/transform.R (tmReduce): Combine multiple maps into one
302 :     transformation.
303 :    
304 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
305 :    
306 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
307 :     dgCMatrix.
308 :    
309 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
310 :     or TermDocumentMatrix instead.
311 : feinerer 923
312 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
313 :    
314 :     * inst/doc/extensions.Rnw: Finished vignette.
315 :    
316 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
317 :    
318 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
319 :     DocumentTermMatrix representations.
320 :    
321 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
322 :    
323 :     * R/reader.R (readXML): New reader for arbitrary XML files.
324 :    
325 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
326 :    
327 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
328 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
329 :     (Source): New slot Vectorized.
330 : feinerer 910
331 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
332 :    
333 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
334 :     structures which can be customized via user-defined mappings.
335 : feinerer 908
336 : feinerer 905 * R/reader.R: Always use UTC time zone.
337 :    
338 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
339 :    
340 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
341 :    
342 :     * R/reader.R (readDOC): Options can be passed over to antiword.
343 :    
344 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
345 :     pdftotext.
346 :    
347 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
348 :    
349 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
350 :     which are internally passed over to list.files().
351 :    
352 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
353 :    
354 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
355 :    
356 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
357 :    
358 :     * DESCRIPTION: Speed up package loading (via moving packages not
359 :     strictly necessary for normal operation to Suggests instead of
360 :     Depends).
361 :    
362 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
363 :    
364 :     * R/reader.R (readNewsgroup): The date format is now configurable.
365 :    
366 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
367 :    
368 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
369 :    
370 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
371 :    
372 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
373 :    
374 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
375 :    
376 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
377 :    
378 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
379 :    
380 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
381 :    
382 :     * R/source.R (URISource): New source class for a single document.
383 :    
384 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
385 :    
386 :     * R/source.R: Refactoring.
387 :    
388 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
389 :    
390 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
391 :     Rmpi installations more gracefully.
392 :    
393 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
394 :    
395 :     * R/source.R (Source): Add Length slot.
396 :    
397 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
398 :    
399 :     * R/AAA.R: Unify duplicated .onLoad function.
400 :    
401 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
402 :    
403 :     * DESCRIPTION (Suggests): Added Rmpi.
404 :    
405 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
406 :    
407 :     * R/source.R (getElem): Fix 'no visible binding' warning.
408 :    
409 :     * man/WeightFunction.Rd: Fix signature.
410 :    
411 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
412 :    
413 :     * R/weight.R: Introduce name abbreviations for weighting functions.
414 :    
415 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
416 :    
417 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
418 :    
419 :     * R/cluster.R: Provide convenience functions for using a MPI
420 :     cluster.
421 :    
422 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
423 :     available.
424 :    
425 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
426 :     available.
427 :    
428 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
429 :    
430 :     * R/textdoccol.R (lapply): Removed debug print out.
431 :    
432 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
433 :    
434 :     * R/reader.R (readRCV1): Improved meta data extraction from
435 :     Reuters Corpus Volume 1 documents.
436 :    
437 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
438 :    
439 :     * R/transform.R: Ensure that all mappings preserve multiline
440 :     structures.
441 :    
442 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
443 :    
444 :     * R/filter.R: Every filter has now an attribute indicating whether
445 :     it sould be applied to document level (doclevel).
446 :    
447 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
448 :     filter.
449 :    
450 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
451 :    
452 :     * R/transform.R (replacePatterns): Replaced removeWords by
453 :     replacePatterns. Suggested by Christian Buchta.
454 :    
455 :     * R/textdoccol.R (inspect): Improved formatting.
456 :    
457 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
458 :    
459 :     * inst/CITATION: Updated JSS article information.
460 :    
461 :     * R/textdoccol.R (setAs): Added coerce method from list to
462 :     corpus.
463 :    
464 :     * R/meta.R (meta): Improved meta data handling.
465 :    
466 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
467 :    
468 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
469 :     Christian Buchta.
470 :    
471 :     * inst/CITATION: Added template to include JSS article reference.
472 :    
473 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
474 :    
475 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
476 :    
477 : feinerer 832 * R/source.R: Added VectorSource.
478 :    
479 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
480 :    
481 :     * man/: Language codes should be in ISO 639-1 format.
482 :    
483 : feinerer 826 * R/textdoccol.R (asPlain): Preserve local meta data.
484 :    
485 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
486 :    
487 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
488 :     containing plain text documents to disk.
489 :    
490 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
491 :    
492 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
493 :     always set correctly.
494 :    
495 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
496 :     since in most cases this is the wanted behaviour.
497 :    
498 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
499 :    
500 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
501 :    
502 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
503 :    
504 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
505 :    
506 :     * R/meta.R (meta): New function for consistent access to meta data
507 :     of document collections, repositories, and texts.
508 :    
509 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
510 :    
511 :     * R/: Better support for encodings.
512 :    
513 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
514 :    
515 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
516 :     selection when no reader argument is given.
517 :    
518 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
519 :    
520 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
521 :     internally.
522 :    
523 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
524 :    
525 :     * R/reader.R (getReaders): Returns available reader functions.
526 :    
527 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
528 :     as default.
529 :    
530 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
531 :    
532 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
533 :     variable warnings.
534 :    
535 :     * man/: Documentation for showMeta, added an example for tmMap.
536 :    
537 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
538 :     some minor typos fixed.
539 :    
540 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
541 :    
542 :     * R/aobjects.R (showMeta): Added method for pretty printing a
543 :     text document's meta data.
544 :    
545 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
546 :    
547 :     * R/textdoccol.R (TextDocCol): Better handling of empty
548 :     arguments.
549 :    
550 :     * NAMESPACE: Exported readDOC.
551 :    
552 : feinerer 800 * man/completeStems.Rd: Added an example.
553 :    
554 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
555 : feinerer 796
556 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
557 :     call. Allows users to modify stopword .dat files interactively.
558 :    
559 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
560 :    
561 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
562 :     documents.
563 :    
564 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
565 :    
566 :     * man/: Updated documentation.
567 :    
568 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
569 :    
570 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
571 :     stems.
572 :    
573 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
574 :     constructor.
575 :    
576 :     * NAMESPACE: Exported termFreq.
577 :    
578 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
579 :    
580 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
581 :    
582 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
583 :    
584 :     * R/weight.R: Weighting functions for TermDocMatrix.
585 :    
586 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
587 :    
588 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
589 :     functions for accessing dimension, column, and row names.
590 :    
591 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
592 :    
593 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
594 :    
595 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
596 :    
597 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
598 :    
599 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
600 :    
601 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
602 :    
603 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
604 :     pdfinfo. The system call gives a warning anyway.
605 :    
606 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
607 :    
608 :     * R/textdoccol.R (asPlain): Conversion from
609 :     StructuredTextDocuments to PlainTextDocuments.
610 :    
611 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
612 :    
613 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
614 :     for accessing term-document matrices.
615 :    
616 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
617 :     are installed.
618 :    
619 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
620 :    
621 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
622 :     Christian Buchta.
623 :    
624 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
625 :    
626 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
627 :    
628 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
629 :    
630 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
631 :    
632 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
633 :    
634 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
635 :    
636 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
637 :    
638 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
639 :    
640 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
641 :    
642 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
643 :    
644 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
645 :    
646 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
647 :     package cba by new dist call from package proxy.
648 :    
649 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
650 :    
651 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
652 :    
653 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
654 :    
655 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
656 :     loading messages.
657 :    
658 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
659 :    
660 :     * R/dictionary.R: Added dictionary support.
661 :    
662 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
663 :    
664 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
665 :     documents. This simplifies some functions, e.g., asPlain.
666 :    
667 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
668 :    
669 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
670 :    
671 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
672 :    
673 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
674 :     words by a single word. Useful for synonyms.
675 :    
676 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
677 :    
678 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
679 :    
680 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
681 :    
682 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
683 :     vectors. Thanks to Ariel Maguyon for his error report.
684 :     (removeSparseTerms): New function to remove columns from a
685 :     term-document matrix exceeding a sparse factor.
686 :    
687 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
688 :    
689 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
690 :    
691 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
692 :    
693 :     * man/sFilter.Rd: Corrected documentation on statement format (use
694 :     '==' instead of '=').
695 :    
696 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
697 :    
698 :     * R/aobjects.R (StructuredTextDocument): Inherits from
699 :     TextDocument.
700 :    
701 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
702 :    
703 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
704 :     on sparse matrices as proposed by Martin Maechler.
705 :    
706 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
707 :    
708 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
709 :     \pkg{filehash} version makes them deprecated.
710 :    
711 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
712 :    
713 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
714 :     erasing stopwords.
715 :     (weightMatrix): Adapted to handle sparse matrices.
716 :     (TermDocMatrix): Sparse matrix is now efficiently built by
717 :     direct stepwise insertion of row values into it.
718 :    
719 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
720 :    
721 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
722 :     due to ongoing problems. For our purposes the latter is as useful
723 :     as the replaced package.
724 :    
725 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
726 :    
727 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
728 :    
729 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
730 :    
731 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
732 :    
733 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
734 :     languages with available stopwords.
735 :    
736 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
737 :    
738 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
739 :    
740 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
741 :    
742 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
743 :     have been integrated.
744 : feinerer 731
745 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
746 :     for various other languages.
747 :    
748 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
749 :    
750 : feinerer 730 * man/: Updated documentation.
751 :    
752 : feinerer 729 * Work/testDb.R: Script to test database stuff.
753 :    
754 :     * R/: Fixed various database related bugs. Seems to be rather
755 :     useable now, i.e., consider as alpha status for now.
756 :    
757 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
758 :    
759 :     * R/: Fixed some bugs related to database support.
760 :    
761 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
762 :    
763 :     * man/: Added a lot of examples to the manuals.
764 :    
765 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
766 :    
767 :     * man/: Updated parts of the documentation.
768 :    
769 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
770 :     documents to plain text documents.
771 :    
772 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
773 :    
774 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
775 :     intensively tested.
776 :    
777 : feinerer 723 * R/source.R: Now each source has a default reader.
778 :    
779 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
780 :     class anymore.
781 :    
782 :     * R/plaintextdoc.R: Custom show method for plain text documents.
783 :    
784 :     * R/aobjects.R: Added a class for structured text documents.
785 :    
786 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
787 :     \code{reader}.
788 :    
789 :     * R/textdoccol.R (summary): Indent tags.
790 :    
791 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
792 : feinerer 722 punctuation marks.
793 :    
794 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
795 :    
796 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
797 :     using prescindMeta().
798 :    
799 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
800 :    
801 :     * R/textdoccol.R: Improved database support.
802 :    
803 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
804 :    
805 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
806 :    
807 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
808 :     language code.
809 :    
810 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
811 :     into parserControl argument.
812 :    
813 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
814 :    
815 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
816 :    
817 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
818 :     created on the fly.
819 :    
820 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
821 :     a given language (English, German and French at the moment)
822 :    
823 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
824 :     otherwise falls back to Snowball package.
825 :    
826 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
827 :    
828 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
829 :     by "dists" from package "cba" can be used.
830 :    
831 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
832 :    
833 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
834 :     to Kurt's latex suggestion. Removed points and underscores in
835 :     variable names for consistent naming.
836 :    
837 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
838 :    
839 :     * man/TextRepository.Rd: Fixed bug in documentation.
840 :    
841 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
842 :    
843 :     * DESCRIPTION: Update to version 0.1-1.
844 :    
845 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
846 :    
847 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
848 :     wordStem.
849 :    
850 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
851 :    
852 :     * R/: Changes due to Kurt's review.
853 :    
854 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
855 :    
856 :     * R/: Implemented improvements based upon comments by David
857 :     Meyer.
858 :    
859 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
860 :    
861 :     * inst/doc/: Rewrote vignette.
862 :    
863 :     * man/: Improved documentation.
864 :    
865 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
866 :    
867 :     * man/: Updated documentation.
868 :    
869 :     * DESCRIPTION: Changed package name to "tm". Updated version to
870 :     0.1 for first CRAN release.
871 :    
872 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
873 :     list archive example.
874 :    
875 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
876 :     archive example.
877 :    
878 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
879 :     from (several mails per box) mbox format to (single mail per file)
880 :     eml format.
881 :    
882 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
883 :    
884 :     * data/crude.rda: Rebuilt.
885 :    
886 :     * data/acq.rda: Rebuilt.
887 :    
888 :     * R/reader.R: Factored out reader and parser methods from
889 :     textdoccol.R.
890 :    
891 :     * R/source.R: Factored out Source methods from aobjects.R and
892 :     textdoccol.R.
893 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
894 :     feeds.
895 :    
896 :     * R/textdoccol.R (DirSource): Added support for recursive
897 :     traversal of directories.
898 :    
899 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
900 :    
901 :     * R/textdoccol.R ([[): Loads the document corpus automatically
902 :     into memory upon access.
903 :     (tm_transform, tm_filter): Removed several checks whether the
904 :     document is already loaded ([[ ensures this now).
905 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
906 :     mailing list archive.
907 :    
908 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
909 :    
910 :     * R/aobjects.R (TextDocument): Is now a virtual class.
911 :     (Source): Is now a virtual class.
912 :    
913 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
914 :    
915 :     * R/textdoccol.R (c): Support for an arbitrary number of document
916 :     collections.
917 :    
918 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
919 :    
920 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
921 :     append_meta and remove_meta.
922 :    
923 :     * R/textdoccol.R: Removed modify_metadata method.
924 :    
925 :     * R/textrepo.R: Removed modify_metadata method.
926 :    
927 :     * R/textdoccol.R (remove_meta): Supports removal of document
928 :     collection metadata and document (= in data frame) metadata.
929 :    
930 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
931 :    
932 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
933 :    
934 :     * data/crude.rda: Rebuilt.
935 :    
936 :     * data/acq.rda: Rebuilt.
937 :    
938 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
939 :    
940 :     * R/textdoccol.R ([): Bug fix for subsetting a document
941 :     collection's data frame.
942 :    
943 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
944 :    
945 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
946 :     to s_filter.
947 :    
948 :     * R/textdoccol.R: Local text documents' metadata can now be copied
949 :     to a document collection's data frame with prescind_meta.
950 :    
951 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
952 :    
953 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
954 :    
955 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
956 :    
957 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
958 :    
959 :     * R/: Various fixes in handling metadata.
960 :    
961 :     * R/: Added update mechanism for text document collections.
962 :    
963 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
964 :    
965 :     * R/: Merging of document collections now creates a binary tree
966 :     for reconstructing merged document collections.
967 :    
968 :     * R/: Redesign of metadata for document collections.
969 :    
970 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
971 :    
972 :     * R/: Messages now use \code{ngettext}.
973 :    
974 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
975 :    
976 :     * R/: Added functions for modifying and removing metadata.
977 :    
978 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
979 :    
980 :     * man/: Updated some documentation.
981 :    
982 :     * R/: Corrected some connection issues.
983 :    
984 :     * inst/doc: Worked on the vignette.
985 :    
986 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
987 :    
988 : feinerer 66 * inst/: Added texts and started vignette.
989 :    
990 : feinerer 65 * R/: Final changes based upon David's comments.
991 :    
992 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
993 :    
994 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
995 :     directives!).
996 :    
997 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
998 :    
999 :     * R/: Modified the TextDocCol constructur and various parsers. It
1000 :     is now modular and supports various file formats via plugins (see
1001 :     the new "Source" class).
1002 :    
1003 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1004 :    
1005 :     * man/: Revised documentation after previous code changes.
1006 :    
1007 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
1008 :    
1009 :     * R/: Remaining changes as discussed with David.
1010 :    
1011 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1012 :    
1013 :     * R/: Some changes as suggested by David. The rest will follow
1014 :     within the next days.
1015 :    
1016 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1017 :    
1018 :     * man/: Finished documentation.
1019 :    
1020 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
1021 :    
1022 :     * man/: Wrote some documentation.
1023 :    
1024 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1025 :    
1026 :     * R/: Further syntactic sugar in form of additional assignment and
1027 :     accessor methods.
1028 :    
1029 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1030 :    
1031 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
1032 : feinerer 56 operators.
1033 : feinerer 54
1034 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1035 :    
1036 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
1037 :     and dissimilarities.
1038 :    
1039 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1040 :    
1041 :     * R/: Added similarity functions.
1042 :    
1043 :     * data/: Added english stopwords.
1044 :    
1045 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1046 :    
1047 : feinerer 51 * data/: Examples compiled for new features
1048 :    
1049 :     * R/: Changes due to new structure.
1050 :    
1051 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
1052 :    
1053 :     * R/termdocmatrix.R: Adapted for new naming scheme.
1054 :    
1055 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1056 :    
1057 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
1058 :     several transform and filter functions operating on text document
1059 :     collections (alias text document databases).
1060 :    
1061 :     * R/aobjects.R: Adapted class structure with inheritance,
1062 :     repositories and additional meta data. Loading files on demand is
1063 :     now possible.
1064 :    
1065 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1066 :    
1067 :     * R/: Some cosmetic cleanups.
1068 :    
1069 :     * inst/: Removed vignette on clustering. That and much more is now
1070 :     described in the JSS paper on text mining. Based upon that
1071 :     article an elaborated vignette will be incorporated in the future.
1072 :    
1073 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1074 :    
1075 :     * R/: Updated generic S4 methods to comply with signature changes
1076 :     in newer versions of R (> 2.3)
1077 :    
1078 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1079 :    
1080 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
1081 :    
1082 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
1083 :    
1084 :     * R/textdoccol.R: Added RIS HTML input format.
1085 :    
1086 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1087 :    
1088 :     * R/textdoccol.R: Removed bug that caused invalid text document
1089 :     collections when handling many input files.
1090 :    
1091 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
1092 :    
1093 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
1094 :     mechanism.
1095 :    
1096 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
1097 :     ReutNews.rda
1098 :    
1099 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
1100 :    
1101 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
1102 :    
1103 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1104 :    
1105 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
1106 :     clustering facilities of this package.
1107 :    
1108 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
1109 :    
1110 :     * R/aobjects.R: Changed package document structure to avoid class
1111 :     dependency problems.
1112 :    
1113 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1114 :    
1115 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
1116 : feinerer 29 data set.
1117 :    
1118 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
1119 : feinerer 28 CMD check textmin" works without errors.
1120 :    
1121 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
1122 :    
1123 :     * src/: Various splits can now be easily created for the
1124 :     Reuters21578 data set.
1125 :    
1126 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1127 :    
1128 : feinerer 799 * Updated documentation
1129 : feinerer 26
1130 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
1131 :    
1132 : feinerer 799 * Wrote R documentation for some classes and methods.
1133 : feinerer 25
1134 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1135 :    
1136 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
1137 :     files. See the questionnaire data/Umfrage.csv for such an example.
1138 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
1139 : feinerer 22
1140 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
1141 : feinerer 21 matrix is now possible.
1142 :    
1143 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1144 :    
1145 :     * R/textdoccol.R: One can build term-document matrices if
1146 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
1147 :     document collection with it.
1148 :    
1149 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
1150 :    
1151 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1152 :    
1153 :     * R/textdoccol.R: We now can read in a whole XML file with several
1154 :     news items.
1155 :    
1156 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1157 :    
1158 :     * R/textdoccol.R: Set up an S4 class for a collection of text
1159 :     documents. A first attempt to read in XML input (like the RCV1
1160 :     set) was made.
1161 :    
1162 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
1163 :     some accessor functions.
1164 :    
1165 :     * data/newsitem.xml: Added this XML file for testing purposes. It
1166 :     contains a single news item from the Reuters Corpus Volume 1
1167 :     (RCV1) XML set.
1168 :    
1169 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1170 :    
1171 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
1172 :     textmatrix as k-means clustering provided by R (kmeans) now works on
1173 :     this textmatrix. The result is a k-means text clustering with a
1174 :     similarity measure based upon word frequences.
1175 :    
1176 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1177 :    
1178 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1179 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1180 :    
1181 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1182 :    
1183 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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