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revision 982, Tue Aug 11 07:48:04 2009 UTC revision 1239, Fri Aug 9 10:11:21 2013 UTC
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1    2013-08-09  Ingo Feinerer <feinerer@logic.at>
2    
3            * DESCRIPTION (License): Changed to GPL-3.
4    
5    2013-07-25  Ingo Feinerer <feinerer@logic.at>
6    
7            * R/complete.R (stemCompletion): Report NA instead of error when no
8            completion can be found by the prevalent heuristic. Suggested by Hugh
9            Devlin.
10    
11    2013-07-10  Ingo Feinerer <feinerer@logic.at>
12    
13            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
14            command line tool) instead of tools:::pdf_info().
15    
16    2013-04-11  Ingo Feinerer <feinerer@logic.at>
17    
18            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
19            to determine character types.
20    
21    2012-12-14  Ingo Feinerer <feinerer@logic.at>
22    
23            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
24            when generating a simple_triplet_matrix. Reported by Arho Suominen.
25    
26    2012-12-10  Ingo Feinerer <feinerer@logic.at>
27    
28            * man/tm_reduce.Rd: Document right to left folding order. Adapt
29            example as well. Suggested by Mark Rosenstein.
30    
31    2012-12-04  Ingo Feinerer <feinerer@logic.at>
32    
33            * R/filter.R (sFilter): Avoid attach() and simplify.
34    
35    2012-11-02  Ingo Feinerer <feinerer@logic.at>
36    
37            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
38            removal of attributes.
39    
40    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
43            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
44            Frölich.
45    
46    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/transform.R (removeWords): Allow longer stopword lists.
49    
50    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/reader.R (readXML): Readers can now set the document language
53            themselves.
54    
55    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
58            proposed by Milan Bouchet-Valat.
59    
60    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/matrix.R (termFreq): Fix processing of user provided
63            stopwords. Reported by Bettina Grün.
64    
65    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/matrix.R (termFreq): Fix invalid handling of
68            control$wordLengths[1]. Reported by Steven C. Bagley.
69    
70    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
71    
72            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
73    
74    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
77    
78    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/transform.R (removePunctuation): Add option to preserve
81            intra-word dashes.
82    
83    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/matrix.R (termFreq): Allow reordering of control option
86            processing.
87    
88    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
91            pdfinfo tool.
92    
93            * inst/stopwords/SMART.dat: Add SMART information retrieval system
94            stopwords (which are also used by the MC toolkit).
95    
96            * R/matrix (termFreq): Allow local option \code{bounds$local} to
97            restrict how often a term may appear in each document (generalizes
98            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
99            for word length bounds (generalizes \code{minWordLength}).
100    
101            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
102            \code{bounds$global} for restricting how often a term is allowed
103            to appear in different documents.
104    
105            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
106            local options delegated internally to termFreq() and global
107            options which are processed by the term-document matrix
108            constructor itself.
109    
110    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
111    
112            * man/getTokenizers.Rd: Document getTokenizers().
113    
114            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
115    
116    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
117    
118            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
119    
120            * man/combine.Rd: Document c.term_frequency().
121    
122    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
125            can be accessed via '[' and not '[['.
126    
127    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/stopwords.R (stopwords): Raise an error if no stopwords are
130            available for requested language. Suggested by Derek M Jones.
131    
132    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
135            normalization.
136    
137    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/transform.R (stemDocument.PlainTextDocument): Use language
140            argument.
141    
142    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/source.R: Store strings and connections instead of unevaluated
145            calls.
146    
147    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
150    
151    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
154            (instead of a list element).
155    
156    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
159            documents by names (fallback to IDs if names are not set).
160    
161    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
164            \code{recursive} now determines whether existing corpus meta data
165            is used.
166    
167    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
168    
169            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
170    
171    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
172    
173            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
174            remove terms not occurring in the corpus anymore.
175    
176    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
177    
178            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
179            and Heaps' law.
180    
181    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
184            provided by a source.
185    
186    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
187    
188            * R/source.R (.Source): Provide document names.
189    
190    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/meta.R (`content_or_meta`): Utility function.
193    
194    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
197            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
198    
199    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/weight.R (weightTfIdf): Added normalization option.
202    
203            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
204            analysis.
205    
206    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
207    
208            * R/score.R (tm_tag_score): Compute a score from the number of
209            tags matching in a document.
210    
211    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
212    
213            * R/complete.R (stemCompletion): New completion heuristics.
214    
215    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
216    
217            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
218    
219    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
220    
221            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
222            setOldClass(c(..., "list")) works.
223    
224    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
225    
226            * R/transform.R (stemDocument.character): In case input is a
227            simple character just delegate to the default Snowball stemmer.
228    
229    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
230    
231            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
232            data.
233    
234    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/doc.R (`Content<-`): Be careful with names attribute.
237    
238    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
239    
240            * R/source.R (DirSource): Improved implementation especially when
241            handling many (> 1M) files.
242    
243    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
244    
245            * R/source.R (getElem.URISource): Use encoding argument.
246    
247    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
248    
249            * R/doc.R (setOldClass): Register S3 document classes to be
250            recognized by S4 methods.
251    
252    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
253    
254            * R/matrix.R (termFreq): Add option to remove punctuation
255            characters.
256    
257    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
258    
259            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
260            merging multiple term-document matrices.
261    
262    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
263    
264            * R/corpus.R (setOldClass): Register S3 corpus classes to be
265            recognized by S4 methods.
266    
267            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
268            that CRAN Mac OS X builds do not fail any longer.
269    
270    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
273            of RWeka:AlphabeticTokenizer() as default.
274    
275    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
276    
277            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
278            caused words at the beginning or the end of a line not to be removed. Do
279            not delete whitespace anymore.
280    
281    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
282    
283            * R/source.R (DirSource): Default to working directory if no path
284            is specified.
285    
286    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
287    
288            * R/source.R (DirSource): Stop on empty directories.
289    
290    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
291    
292            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
293            named documents.
294    
295    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
296    
297            * R/transform.R (removeWords): Improve regular expressions.
298    
299    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
300    
301            * R/meta.R (DublinCore): Allow lower case tags.
302    
303    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
304    
305            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
306            instead of x$children.
307    
308    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
309    
310            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
311    
312    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/: Use S3 instead of S4 class system.
315    
316  2009-08-11  Ingo Feinerer  <feinerer@logic.at>  2009-08-11  Ingo Feinerer  <feinerer@logic.at>
317    
318          * R/reader.R (readMail): Moved to tm.plugin.mail package.          * R/reader.R (readMail): Moved to tm.plugin.mail package.

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