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revision 738, Fri Apr 20 13:55:34 2007 UTC revision 758, Wed Jun 13 02:25:36 2007 UTC
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1    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/dictionary.R: Added dictionary support.
4    
5    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
8            documents. This simplifies some functions, e.g., asPlain.
9    
10    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * inst/doc/tm.Rnw: Fixed some typos in vignette.
13    
14    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * R/textdoccol.R (replaceWords): Added method to replace a set of
17            words by a single word. Useful for synonyms.
18    
19    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
22    
23    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
26            vectors. Thanks to Ariel Maguyon for his error report.
27            (removeSparseTerms): New function to remove columns from a
28            term-document matrix exceeding a sparse factor.
29    
30    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
33    
34    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * man/sFilter.Rd: Corrected documentation on statement format (use
37            '==' instead of '=').
38    
39    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/aobjects.R (StructuredTextDocument): Inherits from
42            TextDocument.
43    
44    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
47            on sparse matrices as proposed by Martin Maechler.
48    
49    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
52            \pkg{filehash} version makes them deprecated.
53    
54    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * R/termdocmatrix.R (textvector): Stemming is now performed before
57            erasing stopwords.
58            (weightMatrix): Adapted to handle sparse matrices.
59            (TermDocMatrix): Sparse matrix is now efficiently built by
60            direct stepwise insertion of row values into it.
61    
62    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
65            due to ongoing problems. For our purposes the latter is as useful
66            as the replaced package.
67    
68  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.

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