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revision 708, Mon Jan 22 10:34:12 2007 UTC revision 756, Wed Jun 6 17:12:11 2007 UTC
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1    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * inst/doc/tm.Rnw: Fixed some typos in vignette.
4    
5    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/textdoccol.R (replaceWords): Added method to replace a set of
8            words by a single word. Useful for synonyms.
9    
10    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
13    
14    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
17            vectors. Thanks to Ariel Maguyon for his error report.
18            (removeSparseTerms): New function to remove columns from a
19            term-document matrix exceeding a sparse factor.
20    
21    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
24    
25    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * man/sFilter.Rd: Corrected documentation on statement format (use
28            '==' instead of '=').
29    
30    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * R/aobjects.R (StructuredTextDocument): Inherits from
33            TextDocument.
34    
35    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
38            on sparse matrices as proposed by Martin Maechler.
39    
40    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
43            \pkg{filehash} version makes them deprecated.
44    
45    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/termdocmatrix.R (textvector): Stemming is now performed before
48            erasing stopwords.
49            (weightMatrix): Adapted to handle sparse matrices.
50            (TermDocMatrix): Sparse matrix is now efficiently built by
51            direct stepwise insertion of row values into it.
52    
53    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
56            due to ongoing problems. For our purposes the latter is as useful
57            as the replaced package.
58    
59    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
60    
61            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
62    
63            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
64    
65    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
68            languages with available stopwords.
69    
70    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * inst/doc/tm.Rnw: Minor corrections in the vignette.
73    
74    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * DESCRIPTION: Update to version 0.2, since a lot of new features
77            have been integrated.
78    
79            * inst/stopwords: Updated existing stopwords and added stopwords
80            for various other languages.
81    
82    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * man/: Updated documentation.
85    
86            * Work/testDb.R: Script to test database stuff.
87    
88            * R/: Fixed various database related bugs. Seems to be rather
89            useable now, i.e., consider as alpha status for now.
90    
91    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * R/: Fixed some bugs related to database support.
94    
95    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * man/: Added a lot of examples to the manuals.
98    
99    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * man/: Updated parts of the documentation.
102    
103            * R/textdoccol.R (asPlain): Added conversion from newsgroup
104            documents to plain text documents.
105    
106    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * R/textdoccol.R: Finished experimental database support. Not yet
109            intensively tested.
110    
111            * R/source.R: Now each source has a default reader.
112    
113            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
114            class anymore.
115    
116            * R/plaintextdoc.R: Custom show method for plain text documents.
117    
118            * R/aobjects.R: Added a class for structured text documents.
119    
120            * R/reader.R: Replaced remaining \code{parser} occurrences with
121            \code{reader}.
122    
123            * R/textdoccol.R (summary): Indent tags.
124    
125            * R/textdoccol.R (removePunctuation): Transform method to remove
126            punctuation marks.
127    
128    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
131            using prescindMeta().
132    
133    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/textdoccol.R: Improved database support.
136    
137    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
140    
141            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
142            language code.
143    
144            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
145            into parserControl argument.
146    
147            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
148    
149    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
150    
151            * Work/tmDataSetup.R: The datasets acq and crude can now be
152            created on the fly.
153    
154            * R/stopwords.R: Introduced a function returning the stopwords for
155            a given language (English, German and French at the moment)
156    
157            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
158            otherwise falls back to Snowball package.
159    
160    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * man/dissimilarity-methods.Rd: Make clear that any method offered
163            by "dists" from package "cba" can be used.
164    
165  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
168            to Kurt's latex suggestion. Removed points and underscores in
169            variable names for consistent naming.
170    
171          * DESCRIPTION: Update to version 0.1-2.          * DESCRIPTION: Update to version 0.1-2.
172    
173          * man/TextRepository.Rd: Fixed bug in documentation.          * man/TextRepository.Rd: Fixed bug in documentation.

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