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Diff of /trunk/tm/ChangeLog

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revision 723, Sun Apr 1 16:12:26 2007 UTC revision 754, Tue May 22 18:11:22 2007 UTC
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1    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
4    
5    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
8            vectors. Thanks to Ariel Maguyon for his error report.
9            (removeSparseTerms): New function to remove columns from a
10            term-document matrix exceeding a sparse factor.
11    
12    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
15    
16    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * man/sFilter.Rd: Corrected documentation on statement format (use
19            '==' instead of '=').
20    
21    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * R/aobjects.R (StructuredTextDocument): Inherits from
24            TextDocument.
25    
26    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
29            on sparse matrices as proposed by Martin Maechler.
30    
31    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
34            \pkg{filehash} version makes them deprecated.
35    
36    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/termdocmatrix.R (textvector): Stemming is now performed before
39            erasing stopwords.
40            (weightMatrix): Adapted to handle sparse matrices.
41            (TermDocMatrix): Sparse matrix is now efficiently built by
42            direct stepwise insertion of row values into it.
43    
44    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
47            due to ongoing problems. For our purposes the latter is as useful
48            as the replaced package.
49    
50    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
51    
52            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
53    
54            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
55    
56    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
59            languages with available stopwords.
60    
61    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * inst/doc/tm.Rnw: Minor corrections in the vignette.
64    
65    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * DESCRIPTION: Update to version 0.2, since a lot of new features
68            have been integrated.
69    
70            * inst/stopwords: Updated existing stopwords and added stopwords
71            for various other languages.
72    
73    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * man/: Updated documentation.
76    
77            * Work/testDb.R: Script to test database stuff.
78    
79            * R/: Fixed various database related bugs. Seems to be rather
80            useable now, i.e., consider as alpha status for now.
81    
82    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/: Fixed some bugs related to database support.
85    
86    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * man/: Added a lot of examples to the manuals.
89    
90    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * man/: Updated parts of the documentation.
93    
94            * R/textdoccol.R (asPlain): Added conversion from newsgroup
95            documents to plain text documents.
96    
97  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
98    
99            * R/textdoccol.R: Finished experimental database support. Not yet
100            intensively tested.
101    
102          * R/source.R: Now each source has a default reader.          * R/source.R: Now each source has a default reader.
103    
104          * 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 113 
113    
114          * R/textdoccol.R (summary): Indent tags.          * R/textdoccol.R (summary): Indent tags.
115    
116          * R/textdocco.R (removePunctuation): Transform method to remove          * R/textdoccol.R (removePunctuation): Transform method to remove
117          punctuation marks.          punctuation marks.
118    
119  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>

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