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revision 1007, Tue Sep 15 18:02:44 2009 UTC revision 1292, Tue Jan 28 16:31:18 2014 UTC
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1    2014-01-28  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/utils.R (map_IETF_Snowball): Process three letter codes.
4    
5    2014-01-07  Ingo Feinerer <feinerer@logic.at>
6    
7            * DESCRIPTION (Version): Prepare for CRAN New Year release.
8    
9    2014-01-05  Ingo Feinerer <feinerer@logic.at>
10    
11            * R/matrix.R (findAssocs): Allow multiple and non-existing terms.
12            Suggested by Christian Buchta.
13    
14            * R/source.R (is.Source): New check for valid source.
15    
16    2013-12-28  Ingo Feinerer <feinerer@logic.at>
17    
18            * R/matrix.R (findAssocs): Make corlimit inclusive.
19    
20    2013-09-27  Ingo Feinerer <feinerer@logic.at>
21    
22            * R/source.R: Allow multiple URIs for URISource.
23    
24    2013-09-19  Ingo Feinerer <feinerer@logic.at>
25    
26            * R/source.R (Source): New Source constructor.
27    
28    2013-08-26  Ingo Feinerer <feinerer@logic.at>
29    
30            * R/source.R (DirSource): Report non-existent or non-readable files.
31            Suggested by Ajinkya Kale and Milan Bouchet-Valat.
32    
33    2013-08-19  Ingo Feinerer <feinerer@logic.at>
34    
35            * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
36            anymore.
37    
38            * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
39            anymore.
40    
41    2013-08-09  Ingo Feinerer <feinerer@logic.at>
42    
43            * DESCRIPTION (License): Changed to GPL-3.
44    
45    2013-07-25  Ingo Feinerer <feinerer@logic.at>
46    
47            * R/complete.R (stemCompletion): Report NA instead of error when no
48            completion can be found by the prevalent heuristic. Suggested by Hugh
49            Devlin.
50    
51    2013-07-10  Ingo Feinerer <feinerer@logic.at>
52    
53            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
54            command line tool) instead of tools:::pdf_info().
55    
56    2013-04-11  Ingo Feinerer <feinerer@logic.at>
57    
58            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
59            to determine character types.
60    
61    2012-12-14  Ingo Feinerer <feinerer@logic.at>
62    
63            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
64            when generating a simple_triplet_matrix. Reported by Arho Suominen.
65    
66    2012-12-10  Ingo Feinerer <feinerer@logic.at>
67    
68            * man/tm_reduce.Rd: Document right to left folding order. Adapt
69            example as well. Suggested by Mark Rosenstein.
70    
71    2012-12-04  Ingo Feinerer <feinerer@logic.at>
72    
73            * R/filter.R (sFilter): Avoid attach() and simplify.
74    
75    2012-11-02  Ingo Feinerer <feinerer@logic.at>
76    
77            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
78            removal of attributes.
79    
80    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
83            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
84            Frölich.
85    
86    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/transform.R (removeWords): Allow longer stopword lists.
89    
90    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
91    
92            * R/reader.R (readXML): Readers can now set the document language
93            themselves.
94    
95    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
98            proposed by Milan Bouchet-Valat.
99    
100    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
101    
102            * R/matrix.R (termFreq): Fix processing of user provided
103            stopwords. Reported by Bettina Grün.
104    
105    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
106    
107            * R/matrix.R (termFreq): Fix invalid handling of
108            control$wordLengths[1]. Reported by Steven C. Bagley.
109    
110    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
111    
112            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
113    
114    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
115    
116            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
117    
118    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
119    
120            * R/transform.R (removePunctuation): Add option to preserve
121            intra-word dashes.
122    
123    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
124    
125            * R/matrix.R (termFreq): Allow reordering of control option
126            processing.
127    
128    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
129    
130            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
131            pdfinfo tool.
132    
133            * inst/stopwords/SMART.dat: Add SMART information retrieval system
134            stopwords (which are also used by the MC toolkit).
135    
136            * R/matrix (termFreq): Allow local option \code{bounds$local} to
137            restrict how often a term may appear in each document (generalizes
138            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
139            for word length bounds (generalizes \code{minWordLength}).
140    
141            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
142            \code{bounds$global} for restricting how often a term is allowed
143            to appear in different documents.
144    
145            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
146            local options delegated internally to termFreq() and global
147            options which are processed by the term-document matrix
148            constructor itself.
149    
150    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
151    
152            * man/getTokenizers.Rd: Document getTokenizers().
153    
154            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
155    
156    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
157    
158            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
159    
160            * man/combine.Rd: Document c.term_frequency().
161    
162    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
163    
164            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
165            can be accessed via '[' and not '[['.
166    
167    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
168    
169            * R/stopwords.R (stopwords): Raise an error if no stopwords are
170            available for requested language. Suggested by Derek M Jones.
171    
172    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
175            normalization.
176    
177    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/transform.R (stemDocument.PlainTextDocument): Use language
180            argument.
181    
182    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
183    
184            * R/source.R: Store strings and connections instead of unevaluated
185            calls.
186    
187    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
190    
191    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
192    
193            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
194            (instead of a list element).
195    
196    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
197    
198            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
199            documents by names (fallback to IDs if names are not set).
200    
201    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
202    
203            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
204            \code{recursive} now determines whether existing corpus meta data
205            is used.
206    
207    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
210    
211    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
212    
213            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
214            remove terms not occurring in the corpus anymore.
215    
216    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
217    
218            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
219            and Heaps' law.
220    
221    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
222    
223            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
224            provided by a source.
225    
226    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
227    
228            * R/source.R (.Source): Provide document names.
229    
230    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
231    
232            * R/meta.R (`content_or_meta`): Utility function.
233    
234    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
237            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
238    
239    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
240    
241            * R/weight.R (weightTfIdf): Added normalization option.
242    
243            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
244            analysis.
245    
246    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/score.R (tm_tag_score): Compute a score from the number of
249            tags matching in a document.
250    
251    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/complete.R (stemCompletion): New completion heuristics.
254    
255    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
258    
259    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
260    
261            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
262            setOldClass(c(..., "list")) works.
263    
264    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
265    
266            * R/transform.R (stemDocument.character): In case input is a
267            simple character just delegate to the default Snowball stemmer.
268    
269    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
270    
271            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
272            data.
273    
274    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
275    
276            * R/doc.R (`Content<-`): Be careful with names attribute.
277    
278    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
279    
280            * R/source.R (DirSource): Improved implementation especially when
281            handling many (> 1M) files.
282    
283    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
284    
285            * R/source.R (getElem.URISource): Use encoding argument.
286    
287    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
288    
289            * R/doc.R (setOldClass): Register S3 document classes to be
290            recognized by S4 methods.
291    
292    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
293    
294            * R/matrix.R (termFreq): Add option to remove punctuation
295            characters.
296    
297    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
298    
299            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
300            merging multiple term-document matrices.
301    
302    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
303    
304            * R/corpus.R (setOldClass): Register S3 corpus classes to be
305            recognized by S4 methods.
306    
307            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
308            that CRAN Mac OS X builds do not fail any longer.
309    
310    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
311    
312            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
313            of RWeka:AlphabeticTokenizer() as default.
314    
315    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
316    
317            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
318            caused words at the beginning or the end of a line not to be removed. Do
319            not delete whitespace anymore.
320    
321    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
322    
323            * R/source.R (DirSource): Default to working directory if no path
324            is specified.
325    
326    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/source.R (DirSource): Stop on empty directories.
329    
330    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
331    
332            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
333            named documents.
334    
335    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/transform.R (removeWords): Improve regular expressions.
338    
339    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
340    
341            * R/meta.R (DublinCore): Allow lower case tags.
342    
343    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
344    
345            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
346            instead of x$children.
347    
348  2009-09-15  Ingo Feinerer  <feinerer@logic.at>  2009-09-15  Ingo Feinerer  <feinerer@logic.at>
349    
350          * R/preprocess.R (preprocessReut21578XML): Fix generated file names.          * R/preprocess.R (preprocessReut21578XML): Fix generated file names.

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