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trunk/tm/ChangeLog revision 855, Sun May 25 15:35:00 2008 UTC pkg/ChangeLog revision 1188, Fri Jul 27 08:47:50 2012 UTC
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1    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/transform.R (removeWords): Allow longer stopword lists.
4    
5    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/reader.R (readXML): Readers can now set the document language
8            themselves.
9    
10    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
13            proposed by Milan Bouchet-Valat.
14    
15    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/matrix.R (termFreq): Fix processing of user provided
18            stopwords. Reported by Bettina GrĂ¼n.
19    
20    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
21    
22            * R/matrix.R (termFreq): Fix invalid handling of
23            control$wordLengths[1]. Reported by Steven C. Bagley.
24    
25    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
26    
27            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
28    
29    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
32    
33    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
34    
35            * R/transform.R (removePunctuation): Add option to preserve
36            intra-word dashes.
37    
38    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
39    
40            * R/matrix.R (termFreq): Allow reordering of control option
41            processing.
42    
43    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
44    
45            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
46            pdfinfo tool.
47    
48            * inst/stopwords/SMART.dat: Add SMART information retrieval system
49            stopwords (which are also used by the MC toolkit).
50    
51            * R/matrix (termFreq): Allow local option \code{bounds$local} to
52            restrict how often a term may appear in each document (generalizes
53            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
54            for word length bounds (generalizes \code{minWordLength}).
55    
56            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
57            \code{bounds$global} for restricting how often a term is allowed
58            to appear in different documents.
59    
60            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
61            local options delegated internally to termFreq() and global
62            options which are processed by the term-document matrix
63            constructor itself.
64    
65    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
66    
67            * man/getTokenizers.Rd: Document getTokenizers().
68    
69            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
70    
71    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
72    
73            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
74    
75            * man/combine.Rd: Document c.term_frequency().
76    
77    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
78    
79            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
80            can be accessed via '[' and not '[['.
81    
82    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
83    
84            * R/stopwords.R (stopwords): Raise an error if no stopwords are
85            available for requested language. Suggested by Derek M Jones.
86    
87    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
90            normalization.
91    
92    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/transform.R (stemDocument.PlainTextDocument): Use language
95            argument.
96    
97    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/source.R: Store strings and connections instead of unevaluated
100            calls.
101    
102    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
105    
106    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
109            (instead of a list element).
110    
111    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
112    
113            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
114            documents by names (fallback to IDs if names are not set).
115    
116    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
117    
118            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
119            \code{recursive} now determines whether existing corpus meta data
120            is used.
121    
122    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
125    
126    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
129            remove terms not occurring in the corpus anymore.
130    
131    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
134            and Heaps' law.
135    
136    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
139            provided by a source.
140    
141    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/source.R (.Source): Provide document names.
144    
145    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
146    
147            * R/meta.R (`content_or_meta`): Utility function.
148    
149    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
150    
151            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
152            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
153    
154    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
155    
156            * R/weight.R (weightTfIdf): Added normalization option.
157    
158            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
159            analysis.
160    
161    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/score.R (tm_tag_score): Compute a score from the number of
164            tags matching in a document.
165    
166    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/complete.R (stemCompletion): New completion heuristics.
169    
170    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
171    
172            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
173    
174    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
175    
176            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
177            setOldClass(c(..., "list")) works.
178    
179    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
180    
181            * R/transform.R (stemDocument.character): In case input is a
182            simple character just delegate to the default Snowball stemmer.
183    
184    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
187            data.
188    
189    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
190    
191            * R/doc.R (`Content<-`): Be careful with names attribute.
192    
193    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
194    
195            * R/source.R (DirSource): Improved implementation especially when
196            handling many (> 1M) files.
197    
198    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
199    
200            * R/source.R (getElem.URISource): Use encoding argument.
201    
202    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
203    
204            * R/doc.R (setOldClass): Register S3 document classes to be
205            recognized by S4 methods.
206    
207    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/matrix.R (termFreq): Add option to remove punctuation
210            characters.
211    
212    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
213    
214            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
215            merging multiple term-document matrices.
216    
217    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
218    
219            * R/corpus.R (setOldClass): Register S3 corpus classes to be
220            recognized by S4 methods.
221    
222            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
223            that CRAN Mac OS X builds do not fail any longer.
224    
225    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
226    
227            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
228            of RWeka:AlphabeticTokenizer() as default.
229    
230    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
231    
232            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
233            caused words at the beginning or the end of a line not to be removed. Do
234            not delete whitespace anymore.
235    
236    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
237    
238            * R/source.R (DirSource): Default to working directory if no path
239            is specified.
240    
241    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
242    
243            * R/source.R (DirSource): Stop on empty directories.
244    
245    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
246    
247            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
248            named documents.
249    
250    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
251    
252            * R/transform.R (removeWords): Improve regular expressions.
253    
254    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
255    
256            * R/meta.R (DublinCore): Allow lower case tags.
257    
258    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
259    
260            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
261            instead of x$children.
262    
263    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
264    
265            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
266    
267    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
268    
269            * R/: Use S3 instead of S4 class system.
270    
271    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
272    
273            * R/reader.R (readMail): Moved to tm.plugin.mail package.
274    
275    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
276    
277            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
278            postings are basically e-mails with some extra headers.
279    
280    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
281    
282            * R/transform.R: Move convertMboxEml, removeCitation,
283            removeMultipart, and removeSignature to the tm.plugin.mail package
284            since they are mainly utility functions (for handling e-mails) and
285            not very framework specific.
286    
287    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
288    
289            * man/: Fix documentation.
290    
291    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
292    
293            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
294            plain text document instead of an XML document for texts of the
295            Reuters-21578 dataset.
296    
297            * R/sparse.R: Removed since the slam package is now available on
298            CRAN.
299    
300            * DESCRIPTION (Depends): Add slam package.
301    
302    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
303    
304            * R/transform.R (stemDoc): Fix character(0) handling.
305    
306    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
307    
308            * R/doc.R (show): Pretty print.
309    
310    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
311    
312            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
313            gracefully.
314    
315    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
316    
317            * R/corpus.R: Make corpus virtual. Implement corpus with standard
318            and permanent storage semantics.
319    
320            * DESCRIPTION: New major release. A *lot* of improvements.
321    
322    2009-05-04   Ingo Feinerer <feinerer@logic.at>
323    
324            * NAMESPACE: Export some simple_triplet_matrix functions.
325    
326    2009-04-28   Ingo Feinerer <feinerer@logic.at>
327    
328            * R/weight.R: Adapt tf-idf to new matrix format.
329    
330    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
331    
332            * R/matrix.R: Create two distinct classes for term-document and
333            document-term matrices.
334    
335    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/termdocmatrix.R: No longer use Matrix package. This reduces
338            package start-up time significantly.
339    
340    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
341    
342            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
343    
344    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
345    
346            * R/transform.R (tmReduce): Combine multiple maps into one
347            transformation.
348    
349    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
350    
351            * R/weight.R: Remove weightLogical since it does not return a
352            dgCMatrix.
353    
354            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
355            or TermDocumentMatrix instead.
356    
357    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
358    
359            * inst/doc/extensions.Rnw: Finished vignette.
360    
361    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
362    
363            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
364            DocumentTermMatrix representations.
365    
366    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
367    
368            * R/reader.R (readXML): New reader for arbitrary XML files.
369    
370    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
371    
372            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
373            (XMLSource): New XMLSource class for arbitrary XML files.
374            (Source): New slot Vectorized.
375    
376    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
377    
378            * R/reader.R (readTabular): Experimental reader for tabular data
379            structures which can be customized via user-defined mappings.
380    
381            * R/reader.R: Always use UTC time zone.
382    
383            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
384    
385    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
386    
387            * R/reader.R (readDOC): Options can be passed over to antiword.
388    
389            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
390            pdftotext.
391    
392    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
393    
394            * R/source.R (DirSource): Add pattern and ignore.case arguments
395            which are internally passed over to list.files().
396    
397    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
398    
399            * inst/doc/tm.Rnw: Suppress pointless loading message.
400    
401    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
402    
403            * DESCRIPTION: Speed up package loading (via moving packages not
404            strictly necessary for normal operation to Suggests instead of
405            Depends).
406    
407    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
408    
409            * R/reader.R (readNewsgroup): The date format is now configurable.
410    
411    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
412    
413            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
414    
415    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
416    
417            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
418    
419    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
420    
421            * R/source.R (DataframeSource): New source class for data frames.
422    
423            * R/source.R: Fixed non-standard call evaluation.
424    
425    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
426    
427            * R/source.R (URISource): New source class for a single document.
428    
429    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
430    
431            * R/source.R: Refactoring.
432    
433    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
434    
435            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
436            Rmpi installations more gracefully.
437    
438    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
439    
440            * R/source.R (Source): Add Length slot.
441    
442    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
443    
444            * R/AAA.R: Unify duplicated .onLoad function.
445    
446    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
447    
448            * DESCRIPTION (Suggests): Added Rmpi.
449    
450    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
451    
452            * R/source.R (getElem): Fix 'no visible binding' warning.
453    
454            * man/WeightFunction.Rd: Fix signature.
455    
456    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
457    
458            * R/weight.R: Introduce name abbreviations for weighting functions.
459    
460    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
461    
462            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
463    
464            * R/cluster.R: Provide convenience functions for using a MPI
465            cluster.
466    
467            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
468            available.
469    
470            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
471            available.
472    
473    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
474    
475            * R/textdoccol.R (lapply): Removed debug print out.
476    
477    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
478    
479            * R/reader.R (readRCV1): Improved meta data extraction from
480            Reuters Corpus Volume 1 documents.
481    
482  2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
483    
484          * R/transform.R: Ensure that all mappings preserve multiline          * R/transform.R: Ensure that all mappings preserve multiline

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