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Diff of /trunk/tm/ChangeLog

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revision 713, Wed Mar 14 13:44:11 2007 UTC revision 750, Fri May 11 16:46:15 2007 UTC
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1    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * man/sFilter.Rd: Corrected documentation on statement format (use
4            '==' instead of '=').
5    
6    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/aobjects.R (StructuredTextDocument): Inherits from
9            TextDocument.
10    
11    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
14            on sparse matrices as proposed by Martin Maechler.
15    
16    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
19            \pkg{filehash} version makes them deprecated.
20    
21    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * R/termdocmatrix.R (textvector): Stemming is now performed before
24            erasing stopwords.
25            (weightMatrix): Adapted to handle sparse matrices.
26            (TermDocMatrix): Sparse matrix is now efficiently built by
27            direct stepwise insertion of row values into it.
28    
29    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
32            due to ongoing problems. For our purposes the latter is as useful
33            as the replaced package.
34    
35    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
38    
39            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
40    
41    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
44            languages with available stopwords.
45    
46    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
47    
48            * inst/doc/tm.Rnw: Minor corrections in the vignette.
49    
50    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
51    
52            * DESCRIPTION: Update to version 0.2, since a lot of new features
53            have been integrated.
54    
55            * inst/stopwords: Updated existing stopwords and added stopwords
56            for various other languages.
57    
58    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * man/: Updated documentation.
61    
62            * Work/testDb.R: Script to test database stuff.
63    
64            * R/: Fixed various database related bugs. Seems to be rather
65            useable now, i.e., consider as alpha status for now.
66    
67    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/: Fixed some bugs related to database support.
70    
71    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * man/: Added a lot of examples to the manuals.
74    
75    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * man/: Updated parts of the documentation.
78    
79            * R/textdoccol.R (asPlain): Added conversion from newsgroup
80            documents to plain text documents.
81    
82    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/textdoccol.R: Finished experimental database support. Not yet
85            intensively tested.
86    
87            * R/source.R: Now each source has a default reader.
88    
89            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
90            class anymore.
91    
92            * R/plaintextdoc.R: Custom show method for plain text documents.
93    
94            * R/aobjects.R: Added a class for structured text documents.
95    
96            * R/reader.R: Replaced remaining \code{parser} occurrences with
97            \code{reader}.
98    
99            * R/textdoccol.R (summary): Indent tags.
100    
101            * R/textdoccol.R (removePunctuation): Transform method to remove
102            punctuation marks.
103    
104    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
107            using prescindMeta().
108    
109    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/textdoccol.R: Improved database support.
112    
113    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
116    
117            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
118            language code.
119    
120            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
121            into parserControl argument.
122    
123            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
124    
125  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * Work/tmDataSetup.R: The datasets acq and crude can now be
128            created on the fly.
129    
130          * R/stopwords.R: Introduced a function returning the stopwords for          * R/stopwords.R: Introduced a function returning the stopwords for
131          a given language (English, German and French at the moment)          a given language (English, German and French at the moment)
132    

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