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Diff of /trunk/tm/ChangeLog

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revision 722, Sun Apr 1 15:53:58 2007 UTC revision 755, Sun Jun 3 17:20:40 2007 UTC
# Line 1  Line 1 
1    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R (replaceWords): Added method to replace a set of
4            words by a single word. Useful for synonyms.
5    
6    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
9    
10    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
13            vectors. Thanks to Ariel Maguyon for his error report.
14            (removeSparseTerms): New function to remove columns from a
15            term-document matrix exceeding a sparse factor.
16    
17    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
20    
21    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * man/sFilter.Rd: Corrected documentation on statement format (use
24            '==' instead of '=').
25    
26    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/aobjects.R (StructuredTextDocument): Inherits from
29            TextDocument.
30    
31    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
34            on sparse matrices as proposed by Martin Maechler.
35    
36    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
39            \pkg{filehash} version makes them deprecated.
40    
41    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/termdocmatrix.R (textvector): Stemming is now performed before
44            erasing stopwords.
45            (weightMatrix): Adapted to handle sparse matrices.
46            (TermDocMatrix): Sparse matrix is now efficiently built by
47            direct stepwise insertion of row values into it.
48    
49    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
52            due to ongoing problems. For our purposes the latter is as useful
53            as the replaced package.
54    
55    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
56    
57            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
58    
59            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
60    
61    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
64            languages with available stopwords.
65    
66    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * inst/doc/tm.Rnw: Minor corrections in the vignette.
69    
70    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * DESCRIPTION: Update to version 0.2, since a lot of new features
73            have been integrated.
74    
75            * inst/stopwords: Updated existing stopwords and added stopwords
76            for various other languages.
77    
78    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * man/: Updated documentation.
81    
82            * Work/testDb.R: Script to test database stuff.
83    
84            * R/: Fixed various database related bugs. Seems to be rather
85            useable now, i.e., consider as alpha status for now.
86    
87    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
88    
89            * R/: Fixed some bugs related to database support.
90    
91    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * man/: Added a lot of examples to the manuals.
94    
95    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * man/: Updated parts of the documentation.
98    
99            * R/textdoccol.R (asPlain): Added conversion from newsgroup
100            documents to plain text documents.
101    
102  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
103    
104            * R/textdoccol.R: Finished experimental database support. Not yet
105            intensively tested.
106    
107            * R/source.R: Now each source has a default reader.
108    
109          * R/reader.R: \code{FunctionGenerator} is now an attribute, not a          * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
110          class anymore.          class anymore.
111    
# Line 12  Line 118 
118    
119          * R/textdoccol.R (summary): Indent tags.          * R/textdoccol.R (summary): Indent tags.
120    
121          * R/textdocco.R (removePunctuation): Transform method to remove          * R/textdoccol.R (removePunctuation): Transform method to remove
122          punctuation marks.          punctuation marks.
123    
124  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>

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