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revision 723, Sun Apr 1 16:12:26 2007 UTC revision 760, Thu Jun 21 22:40:15 2007 UTC
# Line 1  Line 1 
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>
80    
81            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
82            languages with available stopwords.
83    
84    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * inst/doc/tm.Rnw: Minor corrections in the vignette.
87    
88    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * DESCRIPTION: Update to version 0.2, since a lot of new features
91            have been integrated.
92    
93            * inst/stopwords: Updated existing stopwords and added stopwords
94            for various other languages.
95    
96    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * man/: Updated documentation.
99    
100            * Work/testDb.R: Script to test database stuff.
101    
102            * R/: Fixed various database related bugs. Seems to be rather
103            useable now, i.e., consider as alpha status for now.
104    
105    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/: Fixed some bugs related to database support.
108    
109    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * man/: Added a lot of examples to the manuals.
112    
113    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * man/: Updated parts of the documentation.
116    
117            * R/textdoccol.R (asPlain): Added conversion from newsgroup
118            documents to plain text documents.
119    
120  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/textdoccol.R: Finished experimental database support. Not yet
123            intensively tested.
124    
125          * R/source.R: Now each source has a default reader.          * R/source.R: Now each source has a default reader.
126    
127          * 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 136 
136    
137          * R/textdoccol.R (summary): Indent tags.          * R/textdoccol.R (summary): Indent tags.
138    
139          * R/textdocco.R (removePunctuation): Transform method to remove          * R/textdoccol.R (removePunctuation): Transform method to remove
140          punctuation marks.          punctuation marks.
141    
142  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>

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