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revision 708, Mon Jan 22 10:34:12 2007 UTC revision 757, Thu Jun 7 17:41:56 2007 UTC
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1    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
4            documents. This simplifies some functions, e.g., asPlain.
5    
6    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * inst/doc/tm.Rnw: Fixed some typos in vignette.
9    
10    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/textdoccol.R (replaceWords): Added method to replace a set of
13            words by a single word. Useful for synonyms.
14    
15    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
18    
19    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
22            vectors. Thanks to Ariel Maguyon for his error report.
23            (removeSparseTerms): New function to remove columns from a
24            term-document matrix exceeding a sparse factor.
25    
26    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
29    
30    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * man/sFilter.Rd: Corrected documentation on statement format (use
33            '==' instead of '=').
34    
35    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/aobjects.R (StructuredTextDocument): Inherits from
38            TextDocument.
39    
40    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
43            on sparse matrices as proposed by Martin Maechler.
44    
45    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
48            \pkg{filehash} version makes them deprecated.
49    
50    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
51    
52            * R/termdocmatrix.R (textvector): Stemming is now performed before
53            erasing stopwords.
54            (weightMatrix): Adapted to handle sparse matrices.
55            (TermDocMatrix): Sparse matrix is now efficiently built by
56            direct stepwise insertion of row values into it.
57    
58    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
61            due to ongoing problems. For our purposes the latter is as useful
62            as the replaced package.
63    
64    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
67    
68            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
69    
70    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
73            languages with available stopwords.
74    
75    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * inst/doc/tm.Rnw: Minor corrections in the vignette.
78    
79    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * DESCRIPTION: Update to version 0.2, since a lot of new features
82            have been integrated.
83    
84            * inst/stopwords: Updated existing stopwords and added stopwords
85            for various other languages.
86    
87    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
88    
89            * man/: Updated documentation.
90    
91            * Work/testDb.R: Script to test database stuff.
92    
93            * R/: Fixed various database related bugs. Seems to be rather
94            useable now, i.e., consider as alpha status for now.
95    
96    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/: Fixed some bugs related to database support.
99    
100    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * man/: Added a lot of examples to the manuals.
103    
104    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * man/: Updated parts of the documentation.
107    
108            * R/textdoccol.R (asPlain): Added conversion from newsgroup
109            documents to plain text documents.
110    
111    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
112    
113            * R/textdoccol.R: Finished experimental database support. Not yet
114            intensively tested.
115    
116            * R/source.R: Now each source has a default reader.
117    
118            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
119            class anymore.
120    
121            * R/plaintextdoc.R: Custom show method for plain text documents.
122    
123            * R/aobjects.R: Added a class for structured text documents.
124    
125            * R/reader.R: Replaced remaining \code{parser} occurrences with
126            \code{reader}.
127    
128            * R/textdoccol.R (summary): Indent tags.
129    
130            * R/textdoccol.R (removePunctuation): Transform method to remove
131            punctuation marks.
132    
133    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
136            using prescindMeta().
137    
138    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * R/textdoccol.R: Improved database support.
141    
142    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
143    
144            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
145    
146            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
147            language code.
148    
149            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
150            into parserControl argument.
151    
152            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
153    
154    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * Work/tmDataSetup.R: The datasets acq and crude can now be
157            created on the fly.
158    
159            * R/stopwords.R: Introduced a function returning the stopwords for
160            a given language (English, German and French at the moment)
161    
162            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
163            otherwise falls back to Snowball package.
164    
165    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * man/dissimilarity-methods.Rd: Make clear that any method offered
168            by "dists" from package "cba" can be used.
169    
170  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
173            to Kurt's latex suggestion. Removed points and underscores in
174            variable names for consistent naming.
175    
176          * DESCRIPTION: Update to version 0.1-2.          * DESCRIPTION: Update to version 0.1-2.
177    
178          * man/TextRepository.Rd: Fixed bug in documentation.          * man/TextRepository.Rd: Fixed bug in documentation.

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