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revision 1108, Fri Oct 22 18:32:47 2010 UTC revision 1191, Wed Oct 3 17:31:39 2012 UTC
# Line 1  Line 1 
1    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
2            * R.weight.R (weightTfIdf, weightSMART): Gracefully handle empty
3            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
4            Frölich.
5    
6    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/transform.R (removeWords): Allow longer stopword lists.
9    
10    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/reader.R (readXML): Readers can now set the document language
13            themselves.
14    
15    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
18            proposed by Milan Bouchet-Valat.
19    
20    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
21    
22            * R/matrix.R (termFreq): Fix processing of user provided
23            stopwords. Reported by Bettina Grün.
24    
25    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/matrix.R (termFreq): Fix invalid handling of
28            control$wordLengths[1]. Reported by Steven C. Bagley.
29    
30    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
31    
32            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
33    
34    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
35    
36            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
37    
38    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
39    
40            * R/transform.R (removePunctuation): Add option to preserve
41            intra-word dashes.
42    
43    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
44    
45            * R/matrix.R (termFreq): Allow reordering of control option
46            processing.
47    
48    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
51            pdfinfo tool.
52    
53            * inst/stopwords/SMART.dat: Add SMART information retrieval system
54            stopwords (which are also used by the MC toolkit).
55    
56            * R/matrix (termFreq): Allow local option \code{bounds$local} to
57            restrict how often a term may appear in each document (generalizes
58            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
59            for word length bounds (generalizes \code{minWordLength}).
60    
61            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
62            \code{bounds$global} for restricting how often a term is allowed
63            to appear in different documents.
64    
65            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
66            local options delegated internally to termFreq() and global
67            options which are processed by the term-document matrix
68            constructor itself.
69    
70    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
71    
72            * man/getTokenizers.Rd: Document getTokenizers().
73    
74            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
75    
76    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
77    
78            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
79    
80            * man/combine.Rd: Document c.term_frequency().
81    
82    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
83    
84            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
85            can be accessed via '[' and not '[['.
86    
87    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/stopwords.R (stopwords): Raise an error if no stopwords are
90            available for requested language. Suggested by Derek M Jones.
91    
92    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
95            normalization.
96    
97    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/transform.R (stemDocument.PlainTextDocument): Use language
100            argument.
101    
102    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/source.R: Store strings and connections instead of unevaluated
105            calls.
106    
107    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
110    
111  2010-10-22  Ingo Feinerer  <feinerer@logic.at>  2010-10-22  Ingo Feinerer  <feinerer@logic.at>
112    
113          * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute          * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute

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