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revision 911, Sun Mar 22 17:55:16 2009 UTC revision 1020, Tue Nov 17 09:16:13 2009 UTC
# Line 1  Line 1 
1    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
2    
3            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
4            that CRAN Mac OS X builds do not fail any longer.
5    
6    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
9            of RWeka:AlphabeticTokenizer() as default.
10    
11    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
14            caused words at the beginning or the end of a line not to be removed. Do
15            not delete whitespace anymore.
16    
17    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
18    
19            * R/source.R (DirSource): Default to working directory if no path
20            is specified.
21    
22    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
23    
24            * R/source.R (DirSource): Stop on empty directories.
25    
26    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
29            named documents.
30    
31    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
32    
33            * R/transform.R (removeWords): Improve regular expressions.
34    
35    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/meta.R (DublinCore): Allow lower case tags.
38    
39    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
42            instead of x$children.
43    
44    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
47    
48    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/: Use S3 instead of S4 class system.
51    
52    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/reader.R (readMail): Moved to tm.plugin.mail package.
55    
56    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
59            postings are basically e-mails with some extra headers.
60    
61    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/transform.R: Move convertMboxEml, removeCitation,
64            removeMultipart, and removeSignature to the tm.plugin.mail package
65            since they are mainly utility functions (for handling e-mails) and
66            not very framework specific.
67    
68    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
69    
70            * man/: Fix documentation.
71    
72    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
73    
74            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
75            plain text document instead of an XML document for texts of the
76            Reuters-21578 dataset.
77    
78            * R/sparse.R: Removed since the slam package is now available on
79            CRAN.
80    
81            * DESCRIPTION (Depends): Add slam package.
82    
83    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/transform.R (stemDoc): Fix character(0) handling.
86    
87    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/doc.R (show): Pretty print.
90    
91    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
94            gracefully.
95    
96    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/corpus.R: Make corpus virtual. Implement corpus with standard
99            and permanent storage semantics.
100    
101            * DESCRIPTION: New major release. A *lot* of improvements.
102    
103    2009-05-04   Ingo Feinerer <feinerer@logic.at>
104    
105            * NAMESPACE: Export some simple_triplet_matrix functions.
106    
107    2009-04-28   Ingo Feinerer <feinerer@logic.at>
108    
109            * R/weight.R: Adapt tf-idf to new matrix format.
110    
111    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
112    
113            * R/matrix.R: Create two distinct classes for term-document and
114            document-term matrices.
115    
116    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
117    
118            * R/termdocmatrix.R: No longer use Matrix package. This reduces
119            package start-up time significantly.
120    
121    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
122    
123            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
124    
125    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
126    
127            * R/transform.R (tmReduce): Combine multiple maps into one
128            transformation.
129    
130    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
131    
132            * R/weight.R: Remove weightLogical since it does not return a
133            dgCMatrix.
134    
135            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
136            or TermDocumentMatrix instead.
137    
138    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
139    
140            * inst/doc/extensions.Rnw: Finished vignette.
141    
142    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
145            DocumentTermMatrix representations.
146    
147    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/reader.R (readXML): New reader for arbitrary XML files.
150    
151  2009-03-22  Ingo Feinerer  <feinerer@logic.at>  2009-03-22  Ingo Feinerer  <feinerer@logic.at>
152    
153          * R/source.R (CSVSource): Defunct (use DataframeSource instead).          * R/source.R (CSVSource): Defunct (use DataframeSource instead).
# Line 6  Line 156 
156    
157  2009-03-21  Ingo Feinerer  <feinerer@logic.at>  2009-03-21  Ingo Feinerer  <feinerer@logic.at>
158    
159          * R/reader.R (readCustom): Experimental reader which can be          * R/reader.R (readTabular): Experimental reader for tabular data
160          customized via user-defined mappings.          structures which can be customized via user-defined mappings.
161    
162          * R/reader.R: Always use UTC time zone.          * R/reader.R: Always use UTC time zone.
163    

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