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revision 723, Sun Apr 1 16:12:26 2007 UTC revision 748, Fri May 4 18:52:42 2007 UTC
# Line 1  Line 1 
1    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
4            on sparse matrices as proposed by Martin Maechler.
5    
6    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
9            \pkg{filehash} version makes them deprecated.
10    
11    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/termdocmatrix.R (textvector): Stemming is now performed before
14            erasing stopwords.
15            (weightMatrix): Adapted to handle sparse matrices.
16            (TermDocMatrix): Sparse matrix is now efficiently built by
17            direct stepwise insertion of row values into it.
18    
19    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
22            due to ongoing problems. For our purposes the latter is as useful
23            as the replaced package.
24    
25    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
28    
29            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
30    
31    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
34            languages with available stopwords.
35    
36    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * inst/doc/tm.Rnw: Minor corrections in the vignette.
39    
40    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * DESCRIPTION: Update to version 0.2, since a lot of new features
43            have been integrated.
44    
45            * inst/stopwords: Updated existing stopwords and added stopwords
46            for various other languages.
47    
48    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * man/: Updated documentation.
51    
52            * Work/testDb.R: Script to test database stuff.
53    
54            * R/: Fixed various database related bugs. Seems to be rather
55            useable now, i.e., consider as alpha status for now.
56    
57    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/: Fixed some bugs related to database support.
60    
61    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * man/: Added a lot of examples to the manuals.
64    
65    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * man/: Updated parts of the documentation.
68    
69            * R/textdoccol.R (asPlain): Added conversion from newsgroup
70            documents to plain text documents.
71    
72  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/textdoccol.R: Finished experimental database support. Not yet
75            intensively tested.
76    
77          * R/source.R: Now each source has a default reader.          * R/source.R: Now each source has a default reader.
78    
79          * R/reader.R: \code{FunctionGenerator} is now an attribute, not a          * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
# Line 14  Line 88 
88    
89          * R/textdoccol.R (summary): Indent tags.          * R/textdoccol.R (summary): Indent tags.
90    
91          * R/textdocco.R (removePunctuation): Transform method to remove          * R/textdoccol.R (removePunctuation): Transform method to remove
92          punctuation marks.          punctuation marks.
93    
94  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>

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