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revision 1108, Fri Oct 22 18:32:47 2010 UTC revision 1193, Thu Oct 4 07:44:21 2012 UTC
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1    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
4            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
5            Frölich.
6    
7    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
8    
9            * R/transform.R (removeWords): Allow longer stopword lists.
10    
11    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/reader.R (readXML): Readers can now set the document language
14            themselves.
15    
16    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
19            proposed by Milan Bouchet-Valat.
20    
21    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/matrix.R (termFreq): Fix processing of user provided
24            stopwords. Reported by Bettina Grün.
25    
26    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/matrix.R (termFreq): Fix invalid handling of
29            control$wordLengths[1]. Reported by Steven C. Bagley.
30    
31    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
32    
33            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
34    
35    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
38    
39    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/transform.R (removePunctuation): Add option to preserve
42            intra-word dashes.
43    
44    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/matrix.R (termFreq): Allow reordering of control option
47            processing.
48    
49    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
52            pdfinfo tool.
53    
54            * inst/stopwords/SMART.dat: Add SMART information retrieval system
55            stopwords (which are also used by the MC toolkit).
56    
57            * R/matrix (termFreq): Allow local option \code{bounds$local} to
58            restrict how often a term may appear in each document (generalizes
59            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
60            for word length bounds (generalizes \code{minWordLength}).
61    
62            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
63            \code{bounds$global} for restricting how often a term is allowed
64            to appear in different documents.
65    
66            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
67            local options delegated internally to termFreq() and global
68            options which are processed by the term-document matrix
69            constructor itself.
70    
71    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
72    
73            * man/getTokenizers.Rd: Document getTokenizers().
74    
75            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
76    
77    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
78    
79            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
80    
81            * man/combine.Rd: Document c.term_frequency().
82    
83    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
86            can be accessed via '[' and not '[['.
87    
88    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/stopwords.R (stopwords): Raise an error if no stopwords are
91            available for requested language. Suggested by Derek M Jones.
92    
93    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
94    
95            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
96            normalization.
97    
98    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/transform.R (stemDocument.PlainTextDocument): Use language
101            argument.
102    
103    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
104    
105            * R/source.R: Store strings and connections instead of unevaluated
106            calls.
107    
108    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
111    
112  2010-10-22  Ingo Feinerer  <feinerer@logic.at>  2010-10-22  Ingo Feinerer  <feinerer@logic.at>
113    
114          * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute          * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute

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