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revision 1038, Fri Jan 15 12:12:41 2010 UTC revision 1199, Mon Dec 10 14:37:54 2012 UTC
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1    2012-12-10  Ingo Feinerer <feinerer@logic.at>
2    
3            * man/tm_reduce.Rd: Document right to left folding order. Adapt
4            example as well. Suggested by Mark Rosenstein.
5    
6    2012-12-04  Ingo Feinerer <feinerer@logic.at>
7    
8            * R/filter.R (sFilter): Avoid attach() and simplify.
9    
10    2012-11-02  Ingo Feinerer <feinerer@logic.at>
11    
12            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
13            removal of attributes.
14    
15    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
18            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
19            Frölich.
20    
21    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/transform.R (removeWords): Allow longer stopword lists.
24    
25    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/reader.R (readXML): Readers can now set the document language
28            themselves.
29    
30    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
33            proposed by Milan Bouchet-Valat.
34    
35    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/matrix.R (termFreq): Fix processing of user provided
38            stopwords. Reported by Bettina Grün.
39    
40    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/matrix.R (termFreq): Fix invalid handling of
43            control$wordLengths[1]. Reported by Steven C. Bagley.
44    
45    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
46    
47            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
48    
49    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
52    
53    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/transform.R (removePunctuation): Add option to preserve
56            intra-word dashes.
57    
58    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/matrix.R (termFreq): Allow reordering of control option
61            processing.
62    
63    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
66            pdfinfo tool.
67    
68            * inst/stopwords/SMART.dat: Add SMART information retrieval system
69            stopwords (which are also used by the MC toolkit).
70    
71            * R/matrix (termFreq): Allow local option \code{bounds$local} to
72            restrict how often a term may appear in each document (generalizes
73            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
74            for word length bounds (generalizes \code{minWordLength}).
75    
76            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
77            \code{bounds$global} for restricting how often a term is allowed
78            to appear in different documents.
79    
80            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
81            local options delegated internally to termFreq() and global
82            options which are processed by the term-document matrix
83            constructor itself.
84    
85    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
86    
87            * man/getTokenizers.Rd: Document getTokenizers().
88    
89            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
90    
91    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
92    
93            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
94    
95            * man/combine.Rd: Document c.term_frequency().
96    
97    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
100            can be accessed via '[' and not '[['.
101    
102    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/stopwords.R (stopwords): Raise an error if no stopwords are
105            available for requested language. Suggested by Derek M Jones.
106    
107    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
110            normalization.
111    
112    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/transform.R (stemDocument.PlainTextDocument): Use language
115            argument.
116    
117    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/source.R: Store strings and connections instead of unevaluated
120            calls.
121    
122    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
125    
126    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
129            (instead of a list element).
130    
131    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
134            documents by names (fallback to IDs if names are not set).
135    
136    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
139            \code{recursive} now determines whether existing corpus meta data
140            is used.
141    
142    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
145    
146    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
147    
148            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
149            remove terms not occurring in the corpus anymore.
150    
151    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
154            and Heaps' law.
155    
156    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
159            provided by a source.
160    
161    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/source.R (.Source): Provide document names.
164    
165    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/meta.R (`content_or_meta`): Utility function.
168    
169    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
172            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
173    
174    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
175    
176            * R/weight.R (weightTfIdf): Added normalization option.
177    
178            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
179            analysis.
180    
181    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/score.R (tm_tag_score): Compute a score from the number of
184            tags matching in a document.
185    
186    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
187    
188            * R/complete.R (stemCompletion): New completion heuristics.
189    
190    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
193    
194    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
195    
196            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
197            setOldClass(c(..., "list")) works.
198    
199    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/transform.R (stemDocument.character): In case input is a
202            simple character just delegate to the default Snowball stemmer.
203    
204  2010-01-15  Ingo Feinerer  <feinerer@logic.at>  2010-01-15  Ingo Feinerer  <feinerer@logic.at>
205    
206          * R/reader.R (readReut21578XML, readRCV1): Extract more meta          * R/reader.R (readReut21578XML, readRCV1): Extract more meta

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