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revision 1108, Fri Oct 22 18:32:47 2010 UTC revision 1155, Thu Nov 17 16:53:26 2011 UTC
# Line 1  Line 1 
1    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
4            pdfinfo tool.
5    
6            * inst/stopwords/SMART.dat: Add SMART information retrieval system
7            stopwords (which are also used by the MC toolkit).
8    
9            * R/matrix (termFreq): Allow local option \code{bounds$local} to
10            restrict how often a term may appear in each document (generalizes
11            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
12            for word length bounds (generalizes \code{minWordLength}).
13    
14            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
15            \code{bounds$global} for restricting how often a term is allowed
16            to appear in different documents.
17    
18            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
19            local options delegated internally to termFreq() and global
20            options which are processed by the term-document matrix
21            constructor itself.
22    
23    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
24    
25            * man/getTokenizers.Rd: Document getTokenizers().
26    
27            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
28    
29    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
30    
31            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
32    
33            * man/combine.Rd: Document c.term_frequency().
34    
35    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
38            can be accessed via '[' and not '[['.
39    
40    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/stopwords.R (stopwords): Raise an error if no stopwords are
43            available for requested language. Suggested by Derek M Jones.
44    
45    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
48            normalization.
49    
50    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/transform.R (stemDocument.PlainTextDocument): Use language
53            argument.
54    
55    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/source.R: Store strings and connections instead of unevaluated
58            calls.
59    
60    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
63    
64  2010-10-22  Ingo Feinerer  <feinerer@logic.at>  2010-10-22  Ingo Feinerer  <feinerer@logic.at>
65    
66          * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute          * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute

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