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revision 708, Mon Jan 22 10:34:12 2007 UTC revision 765, Fri Jul 13 15:53:45 2007 UTC
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1    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
4    
5            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
6    
7            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
8    
9            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
10    
11    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/distmeasure.R (dissimilarity): Replaced dists call from
14            package cba by new dist call from package proxy.
15    
16    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
19    
20    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/termdocmatrix.R: require() uses the quietly option to suppress
23            loading messages.
24    
25    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * R/dictionary.R: Added dictionary support.
28    
29    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
32            documents. This simplifies some functions, e.g., asPlain.
33    
34    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * inst/doc/tm.Rnw: Fixed some typos in vignette.
37    
38    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * R/textdoccol.R (replaceWords): Added method to replace a set of
41            words by a single word. Useful for synonyms.
42    
43    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
46    
47    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
50            vectors. Thanks to Ariel Maguyon for his error report.
51            (removeSparseTerms): New function to remove columns from a
52            term-document matrix exceeding a sparse factor.
53    
54    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
57    
58    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * man/sFilter.Rd: Corrected documentation on statement format (use
61            '==' instead of '=').
62    
63    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * R/aobjects.R (StructuredTextDocument): Inherits from
66            TextDocument.
67    
68    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
71            on sparse matrices as proposed by Martin Maechler.
72    
73    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
76            \pkg{filehash} version makes them deprecated.
77    
78    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * R/termdocmatrix.R (textvector): Stemming is now performed before
81            erasing stopwords.
82            (weightMatrix): Adapted to handle sparse matrices.
83            (TermDocMatrix): Sparse matrix is now efficiently built by
84            direct stepwise insertion of row values into it.
85    
86    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
89            due to ongoing problems. For our purposes the latter is as useful
90            as the replaced package.
91    
92    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
95    
96            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
97    
98    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
101            languages with available stopwords.
102    
103    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * inst/doc/tm.Rnw: Minor corrections in the vignette.
106    
107    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
108    
109            * DESCRIPTION: Update to version 0.2, since a lot of new features
110            have been integrated.
111    
112            * inst/stopwords: Updated existing stopwords and added stopwords
113            for various other languages.
114    
115    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * man/: Updated documentation.
118    
119            * Work/testDb.R: Script to test database stuff.
120    
121            * R/: Fixed various database related bugs. Seems to be rather
122            useable now, i.e., consider as alpha status for now.
123    
124    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/: Fixed some bugs related to database support.
127    
128    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * man/: Added a lot of examples to the manuals.
131    
132    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
133    
134            * man/: Updated parts of the documentation.
135    
136            * R/textdoccol.R (asPlain): Added conversion from newsgroup
137            documents to plain text documents.
138    
139    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/textdoccol.R: Finished experimental database support. Not yet
142            intensively tested.
143    
144            * R/source.R: Now each source has a default reader.
145    
146            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
147            class anymore.
148    
149            * R/plaintextdoc.R: Custom show method for plain text documents.
150    
151            * R/aobjects.R: Added a class for structured text documents.
152    
153            * R/reader.R: Replaced remaining \code{parser} occurrences with
154            \code{reader}.
155    
156            * R/textdoccol.R (summary): Indent tags.
157    
158            * R/textdoccol.R (removePunctuation): Transform method to remove
159            punctuation marks.
160    
161    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
164            using prescindMeta().
165    
166    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * R/textdoccol.R: Improved database support.
169    
170    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
173    
174            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
175            language code.
176    
177            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
178            into parserControl argument.
179    
180            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
181    
182    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * Work/tmDataSetup.R: The datasets acq and crude can now be
185            created on the fly.
186    
187            * R/stopwords.R: Introduced a function returning the stopwords for
188            a given language (English, German and French at the moment)
189    
190            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
191            otherwise falls back to Snowball package.
192    
193    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * man/dissimilarity-methods.Rd: Make clear that any method offered
196            by "dists" from package "cba" can be used.
197    
198  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
201            to Kurt's latex suggestion. Removed points and underscores in
202            variable names for consistent naming.
203    
204          * DESCRIPTION: Update to version 0.1-2.          * DESCRIPTION: Update to version 0.1-2.
205    
206          * man/TextRepository.Rd: Fixed bug in documentation.          * man/TextRepository.Rd: Fixed bug in documentation.

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