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revision 715, Wed Mar 14 15:16:27 2007 UTC revision 758, Wed Jun 13 02:25:36 2007 UTC
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1    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/dictionary.R: Added dictionary support.
4    
5    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
8            documents. This simplifies some functions, e.g., asPlain.
9    
10    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * inst/doc/tm.Rnw: Fixed some typos in vignette.
13    
14    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * R/textdoccol.R (replaceWords): Added method to replace a set of
17            words by a single word. Useful for synonyms.
18    
19    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
22    
23    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
26            vectors. Thanks to Ariel Maguyon for his error report.
27            (removeSparseTerms): New function to remove columns from a
28            term-document matrix exceeding a sparse factor.
29    
30    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
33    
34    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * man/sFilter.Rd: Corrected documentation on statement format (use
37            '==' instead of '=').
38    
39    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/aobjects.R (StructuredTextDocument): Inherits from
42            TextDocument.
43    
44    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
47            on sparse matrices as proposed by Martin Maechler.
48    
49    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
52            \pkg{filehash} version makes them deprecated.
53    
54    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * R/termdocmatrix.R (textvector): Stemming is now performed before
57            erasing stopwords.
58            (weightMatrix): Adapted to handle sparse matrices.
59            (TermDocMatrix): Sparse matrix is now efficiently built by
60            direct stepwise insertion of row values into it.
61    
62    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
65            due to ongoing problems. For our purposes the latter is as useful
66            as the replaced package.
67    
68    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
71    
72            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
73    
74    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
77            languages with available stopwords.
78    
79    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * inst/doc/tm.Rnw: Minor corrections in the vignette.
82    
83    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * DESCRIPTION: Update to version 0.2, since a lot of new features
86            have been integrated.
87    
88            * inst/stopwords: Updated existing stopwords and added stopwords
89            for various other languages.
90    
91    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * man/: Updated documentation.
94    
95            * Work/testDb.R: Script to test database stuff.
96    
97            * R/: Fixed various database related bugs. Seems to be rather
98            useable now, i.e., consider as alpha status for now.
99    
100    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/: Fixed some bugs related to database support.
103    
104    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * man/: Added a lot of examples to the manuals.
107    
108    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * man/: Updated parts of the documentation.
111    
112            * R/textdoccol.R (asPlain): Added conversion from newsgroup
113            documents to plain text documents.
114    
115    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/textdoccol.R: Finished experimental database support. Not yet
118            intensively tested.
119    
120            * R/source.R: Now each source has a default reader.
121    
122            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
123            class anymore.
124    
125            * R/plaintextdoc.R: Custom show method for plain text documents.
126    
127            * R/aobjects.R: Added a class for structured text documents.
128    
129            * R/reader.R: Replaced remaining \code{parser} occurrences with
130            \code{reader}.
131    
132            * R/textdoccol.R (summary): Indent tags.
133    
134            * R/textdoccol.R (removePunctuation): Transform method to remove
135            punctuation marks.
136    
137    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
140            using prescindMeta().
141    
142    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
143    
144            * R/textdoccol.R: Improved database support.
145    
146    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
147    
148            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
149    
150            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
151            language code.
152    
153            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
154            into parserControl argument.
155    
156            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
157    
158  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
159    
160          * Work/tmDataSetup.R: The datasets acq and crude can now be          * Work/tmDataSetup.R: The datasets acq and crude can now be

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