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revision 737, Sun Apr 15 18:35:52 2007 UTC revision 760, Thu Jun 21 22:40:15 2007 UTC
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1    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R: require() uses the quietly option to suppress
4            loading messages.
5    
6    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/dictionary.R: Added dictionary support.
9    
10    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
13            documents. This simplifies some functions, e.g., asPlain.
14    
15    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * inst/doc/tm.Rnw: Fixed some typos in vignette.
18    
19    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * R/textdoccol.R (replaceWords): Added method to replace a set of
22            words by a single word. Useful for synonyms.
23    
24    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
27    
28    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
31            vectors. Thanks to Ariel Maguyon for his error report.
32            (removeSparseTerms): New function to remove columns from a
33            term-document matrix exceeding a sparse factor.
34    
35    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
38    
39    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * man/sFilter.Rd: Corrected documentation on statement format (use
42            '==' instead of '=').
43    
44    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/aobjects.R (StructuredTextDocument): Inherits from
47            TextDocument.
48    
49    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
52            on sparse matrices as proposed by Martin Maechler.
53    
54    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
57            \pkg{filehash} version makes them deprecated.
58    
59    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
60    
61            * R/termdocmatrix.R (textvector): Stemming is now performed before
62            erasing stopwords.
63            (weightMatrix): Adapted to handle sparse matrices.
64            (TermDocMatrix): Sparse matrix is now efficiently built by
65            direct stepwise insertion of row values into it.
66    
67    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
70            due to ongoing problems. For our purposes the latter is as useful
71            as the replaced package.
72    
73    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
76    
77            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
78    
79  2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81          * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for          * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for

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