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revision 1108, Fri Oct 22 18:32:47 2010 UTC revision 1161, Wed Dec 7 06:10:32 2011 UTC
# Line 1  Line 1 
1    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/transform.R (removePunctuation): Add option to preserve
4            intra-word dashes.
5    
6    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/matrix.R (termFreq): Allow reordering of control option
9            processing.
10    
11    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
14            pdfinfo tool.
15    
16            * inst/stopwords/SMART.dat: Add SMART information retrieval system
17            stopwords (which are also used by the MC toolkit).
18    
19            * R/matrix (termFreq): Allow local option \code{bounds$local} to
20            restrict how often a term may appear in each document (generalizes
21            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
22            for word length bounds (generalizes \code{minWordLength}).
23    
24            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
25            \code{bounds$global} for restricting how often a term is allowed
26            to appear in different documents.
27    
28            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
29            local options delegated internally to termFreq() and global
30            options which are processed by the term-document matrix
31            constructor itself.
32    
33    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
34    
35            * man/getTokenizers.Rd: Document getTokenizers().
36    
37            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
38    
39    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
40    
41            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
42    
43            * man/combine.Rd: Document c.term_frequency().
44    
45    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
48            can be accessed via '[' and not '[['.
49    
50    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/stopwords.R (stopwords): Raise an error if no stopwords are
53            available for requested language. Suggested by Derek M Jones.
54    
55    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
58            normalization.
59    
60    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/transform.R (stemDocument.PlainTextDocument): Use language
63            argument.
64    
65    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/source.R: Store strings and connections instead of unevaluated
68            calls.
69    
70    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
71    
72            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
73    
74  2010-10-22  Ingo Feinerer  <feinerer@logic.at>  2010-10-22  Ingo Feinerer  <feinerer@logic.at>
75    
76          * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute          * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute

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