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revision 1038, Fri Jan 15 12:12:41 2010 UTC revision 1196, Tue Dec 4 12:49:27 2012 UTC
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1    2012-12-04  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/filter.R (sFilter): Avoid attach() and simplify.
4    
5    2012-11-02  Ingo Feinerer <feinerer@logic.at>
6    
7            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
8            removal of attributes.
9    
10    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
13            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
14            Frölich.
15    
16    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/transform.R (removeWords): Allow longer stopword lists.
19    
20    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
21    
22            * R/reader.R (readXML): Readers can now set the document language
23            themselves.
24    
25    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
28            proposed by Milan Bouchet-Valat.
29    
30    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/matrix.R (termFreq): Fix processing of user provided
33            stopwords. Reported by Bettina Grün.
34    
35    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/matrix.R (termFreq): Fix invalid handling of
38            control$wordLengths[1]. Reported by Steven C. Bagley.
39    
40    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
41    
42            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
43    
44    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
47    
48    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/transform.R (removePunctuation): Add option to preserve
51            intra-word dashes.
52    
53    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/matrix.R (termFreq): Allow reordering of control option
56            processing.
57    
58    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
61            pdfinfo tool.
62    
63            * inst/stopwords/SMART.dat: Add SMART information retrieval system
64            stopwords (which are also used by the MC toolkit).
65    
66            * R/matrix (termFreq): Allow local option \code{bounds$local} to
67            restrict how often a term may appear in each document (generalizes
68            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
69            for word length bounds (generalizes \code{minWordLength}).
70    
71            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
72            \code{bounds$global} for restricting how often a term is allowed
73            to appear in different documents.
74    
75            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
76            local options delegated internally to termFreq() and global
77            options which are processed by the term-document matrix
78            constructor itself.
79    
80    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
81    
82            * man/getTokenizers.Rd: Document getTokenizers().
83    
84            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
85    
86    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
87    
88            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
89    
90            * man/combine.Rd: Document c.term_frequency().
91    
92    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
95            can be accessed via '[' and not '[['.
96    
97    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/stopwords.R (stopwords): Raise an error if no stopwords are
100            available for requested language. Suggested by Derek M Jones.
101    
102    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
105            normalization.
106    
107    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/transform.R (stemDocument.PlainTextDocument): Use language
110            argument.
111    
112    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/source.R: Store strings and connections instead of unevaluated
115            calls.
116    
117    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
120    
121    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
122    
123            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
124            (instead of a list element).
125    
126    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
129            documents by names (fallback to IDs if names are not set).
130    
131    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
134            \code{recursive} now determines whether existing corpus meta data
135            is used.
136    
137    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
140    
141    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
144            remove terms not occurring in the corpus anymore.
145    
146    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
147    
148            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
149            and Heaps' law.
150    
151    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
154            provided by a source.
155    
156    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/source.R (.Source): Provide document names.
159    
160    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/meta.R (`content_or_meta`): Utility function.
163    
164    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
167            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
168    
169    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/weight.R (weightTfIdf): Added normalization option.
172    
173            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
174            analysis.
175    
176    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
177    
178            * R/score.R (tm_tag_score): Compute a score from the number of
179            tags matching in a document.
180    
181    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/complete.R (stemCompletion): New completion heuristics.
184    
185    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
186    
187            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
188    
189    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
190    
191            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
192            setOldClass(c(..., "list")) works.
193    
194    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/transform.R (stemDocument.character): In case input is a
197            simple character just delegate to the default Snowball stemmer.
198    
199  2010-01-15  Ingo Feinerer  <feinerer@logic.at>  2010-01-15  Ingo Feinerer  <feinerer@logic.at>
200    
201          * R/reader.R (readReut21578XML, readRCV1): Extract more meta          * R/reader.R (readReut21578XML, readRCV1): Extract more meta

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