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revision 1038, Fri Jan 15 12:12:41 2010 UTC revision 1168, Wed Jan 11 10:35:44 2012 UTC
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1    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/matrix.R (termFreq): Fix processing of user provided
4            stopwords. Reported by Bettina GrĂ¼n.
5    
6    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/matrix.R (termFreq): Fix invalid handling of
9            control$wordLengths[1]. Reported by Steven C. Bagley.
10    
11    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
12    
13            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
14    
15    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
18    
19    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/transform.R (removePunctuation): Add option to preserve
22            intra-word dashes.
23    
24    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/matrix.R (termFreq): Allow reordering of control option
27            processing.
28    
29    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
32            pdfinfo tool.
33    
34            * inst/stopwords/SMART.dat: Add SMART information retrieval system
35            stopwords (which are also used by the MC toolkit).
36    
37            * R/matrix (termFreq): Allow local option \code{bounds$local} to
38            restrict how often a term may appear in each document (generalizes
39            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
40            for word length bounds (generalizes \code{minWordLength}).
41    
42            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
43            \code{bounds$global} for restricting how often a term is allowed
44            to appear in different documents.
45    
46            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
47            local options delegated internally to termFreq() and global
48            options which are processed by the term-document matrix
49            constructor itself.
50    
51    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
52    
53            * man/getTokenizers.Rd: Document getTokenizers().
54    
55            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
56    
57    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
58    
59            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
60    
61            * man/combine.Rd: Document c.term_frequency().
62    
63    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
66            can be accessed via '[' and not '[['.
67    
68    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/stopwords.R (stopwords): Raise an error if no stopwords are
71            available for requested language. Suggested by Derek M Jones.
72    
73    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
76            normalization.
77    
78    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/transform.R (stemDocument.PlainTextDocument): Use language
81            argument.
82    
83    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/source.R: Store strings and connections instead of unevaluated
86            calls.
87    
88    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
91    
92    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
95            (instead of a list element).
96    
97    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
100            documents by names (fallback to IDs if names are not set).
101    
102    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
105            \code{recursive} now determines whether existing corpus meta data
106            is used.
107    
108    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
111    
112    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
115            remove terms not occurring in the corpus anymore.
116    
117    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
120            and Heaps' law.
121    
122    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
125            provided by a source.
126    
127    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/source.R (.Source): Provide document names.
130    
131    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/meta.R (`content_or_meta`): Utility function.
134    
135    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
138            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
139    
140    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/weight.R (weightTfIdf): Added normalization option.
143    
144            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
145            analysis.
146    
147    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/score.R (tm_tag_score): Compute a score from the number of
150            tags matching in a document.
151    
152    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/complete.R (stemCompletion): New completion heuristics.
155    
156    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
159    
160    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
161    
162            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
163            setOldClass(c(..., "list")) works.
164    
165    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/transform.R (stemDocument.character): In case input is a
168            simple character just delegate to the default Snowball stemmer.
169    
170  2010-01-15  Ingo Feinerer  <feinerer@logic.at>  2010-01-15  Ingo Feinerer  <feinerer@logic.at>
171    
172          * R/reader.R (readReut21578XML, readRCV1): Extract more meta          * R/reader.R (readReut21578XML, readRCV1): Extract more meta

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