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Diff of /pkg/ChangeLog

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revision 738, Fri Apr 20 13:55:34 2007 UTC revision 755, Sun Jun 3 17:20:40 2007 UTC
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1    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R (replaceWords): Added method to replace a set of
4            words by a single word. Useful for synonyms.
5    
6    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
9    
10    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
13            vectors. Thanks to Ariel Maguyon for his error report.
14            (removeSparseTerms): New function to remove columns from a
15            term-document matrix exceeding a sparse factor.
16    
17    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
20    
21    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * man/sFilter.Rd: Corrected documentation on statement format (use
24            '==' instead of '=').
25    
26    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/aobjects.R (StructuredTextDocument): Inherits from
29            TextDocument.
30    
31    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
34            on sparse matrices as proposed by Martin Maechler.
35    
36    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
39            \pkg{filehash} version makes them deprecated.
40    
41    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/termdocmatrix.R (textvector): Stemming is now performed before
44            erasing stopwords.
45            (weightMatrix): Adapted to handle sparse matrices.
46            (TermDocMatrix): Sparse matrix is now efficiently built by
47            direct stepwise insertion of row values into it.
48    
49    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
52            due to ongoing problems. For our purposes the latter is as useful
53            as the replaced package.
54    
55  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
56    
57          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.

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