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Diff of /trunk/tm/ChangeLog

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revision 732, Wed Apr 11 18:11:54 2007 UTC revision 756, Wed Jun 6 17:12:11 2007 UTC
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1    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * inst/doc/tm.Rnw: Fixed some typos in vignette.
4    
5    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/textdoccol.R (replaceWords): Added method to replace a set of
8            words by a single word. Useful for synonyms.
9    
10    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
13    
14    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
17            vectors. Thanks to Ariel Maguyon for his error report.
18            (removeSparseTerms): New function to remove columns from a
19            term-document matrix exceeding a sparse factor.
20    
21    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
24    
25    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * man/sFilter.Rd: Corrected documentation on statement format (use
28            '==' instead of '=').
29    
30    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * R/aobjects.R (StructuredTextDocument): Inherits from
33            TextDocument.
34    
35    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
38            on sparse matrices as proposed by Martin Maechler.
39    
40    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
43            \pkg{filehash} version makes them deprecated.
44    
45    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/termdocmatrix.R (textvector): Stemming is now performed before
48            erasing stopwords.
49            (weightMatrix): Adapted to handle sparse matrices.
50            (TermDocMatrix): Sparse matrix is now efficiently built by
51            direct stepwise insertion of row values into it.
52    
53    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
56            due to ongoing problems. For our purposes the latter is as useful
57            as the replaced package.
58    
59    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
60    
61            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
62    
63            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
64    
65    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
68            languages with available stopwords.
69    
70    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * inst/doc/tm.Rnw: Minor corrections in the vignette.
73    
74  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76          * DESCRIPTION: Update to version 0.2, since a lot of new features          * DESCRIPTION: Update to version 0.2, since a lot of new features

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