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revision 1038, Fri Jan 15 12:12:41 2010 UTC revision 1194, Fri Nov 2 15:15:03 2012 UTC
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1    2012-11-02  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
4            removal of attributes.
5    
6    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
9            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
10            Frölich.
11    
12    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
13    
14            * R/transform.R (removeWords): Allow longer stopword lists.
15    
16    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/reader.R (readXML): Readers can now set the document language
19            themselves.
20    
21    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
24            proposed by Milan Bouchet-Valat.
25    
26    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/matrix.R (termFreq): Fix processing of user provided
29            stopwords. Reported by Bettina Grün.
30    
31    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
32    
33            * R/matrix.R (termFreq): Fix invalid handling of
34            control$wordLengths[1]. Reported by Steven C. Bagley.
35    
36    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
37    
38            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
39    
40    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
43    
44    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/transform.R (removePunctuation): Add option to preserve
47            intra-word dashes.
48    
49    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/matrix.R (termFreq): Allow reordering of control option
52            processing.
53    
54    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
57            pdfinfo tool.
58    
59            * inst/stopwords/SMART.dat: Add SMART information retrieval system
60            stopwords (which are also used by the MC toolkit).
61    
62            * R/matrix (termFreq): Allow local option \code{bounds$local} to
63            restrict how often a term may appear in each document (generalizes
64            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
65            for word length bounds (generalizes \code{minWordLength}).
66    
67            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
68            \code{bounds$global} for restricting how often a term is allowed
69            to appear in different documents.
70    
71            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
72            local options delegated internally to termFreq() and global
73            options which are processed by the term-document matrix
74            constructor itself.
75    
76    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
77    
78            * man/getTokenizers.Rd: Document getTokenizers().
79    
80            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
81    
82    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
83    
84            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
85    
86            * man/combine.Rd: Document c.term_frequency().
87    
88    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
91            can be accessed via '[' and not '[['.
92    
93    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
94    
95            * R/stopwords.R (stopwords): Raise an error if no stopwords are
96            available for requested language. Suggested by Derek M Jones.
97    
98    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
101            normalization.
102    
103    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
104    
105            * R/transform.R (stemDocument.PlainTextDocument): Use language
106            argument.
107    
108    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/source.R: Store strings and connections instead of unevaluated
111            calls.
112    
113    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
114    
115            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
116    
117    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
120            (instead of a list element).
121    
122    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
125            documents by names (fallback to IDs if names are not set).
126    
127    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
130            \code{recursive} now determines whether existing corpus meta data
131            is used.
132    
133    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
136    
137    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
140            remove terms not occurring in the corpus anymore.
141    
142    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
145            and Heaps' law.
146    
147    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
150            provided by a source.
151    
152    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/source.R (.Source): Provide document names.
155    
156    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/meta.R (`content_or_meta`): Utility function.
159    
160    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
163            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
164    
165    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/weight.R (weightTfIdf): Added normalization option.
168    
169            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
170            analysis.
171    
172    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/score.R (tm_tag_score): Compute a score from the number of
175            tags matching in a document.
176    
177    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/complete.R (stemCompletion): New completion heuristics.
180    
181    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
184    
185    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
186    
187            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
188            setOldClass(c(..., "list")) works.
189    
190    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/transform.R (stemDocument.character): In case input is a
193            simple character just delegate to the default Snowball stemmer.
194    
195  2010-01-15  Ingo Feinerer  <feinerer@logic.at>  2010-01-15  Ingo Feinerer  <feinerer@logic.at>
196    
197          * R/reader.R (readReut21578XML, readRCV1): Extract more meta          * R/reader.R (readReut21578XML, readRCV1): Extract more meta

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