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revision 911, Sun Mar 22 17:55:16 2009 UTC revision 1018, Sun Nov 15 15:53:49 2009 UTC
# Line 1  Line 1 
1    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
4            caused words at the beginning or the end of a line not to be removed. Do
5            not delete whitespace anymore.
6    
7    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
8    
9            * R/source.R (DirSource): Default to working directory if no path
10            is specified.
11    
12    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
13    
14            * R/source.R (DirSource): Stop on empty directories.
15    
16    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
19            named documents.
20    
21    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/transform.R (removeWords): Improve regular expressions.
24    
25    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/meta.R (DublinCore): Allow lower case tags.
28    
29    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
32            instead of x$children.
33    
34    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
35    
36            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
37    
38    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
39    
40            * R/: Use S3 instead of S4 class system.
41    
42    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/reader.R (readMail): Moved to tm.plugin.mail package.
45    
46    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
49            postings are basically e-mails with some extra headers.
50    
51    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
52    
53            * R/transform.R: Move convertMboxEml, removeCitation,
54            removeMultipart, and removeSignature to the tm.plugin.mail package
55            since they are mainly utility functions (for handling e-mails) and
56            not very framework specific.
57    
58    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
59    
60            * man/: Fix documentation.
61    
62    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
63    
64            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
65            plain text document instead of an XML document for texts of the
66            Reuters-21578 dataset.
67    
68            * R/sparse.R: Removed since the slam package is now available on
69            CRAN.
70    
71            * DESCRIPTION (Depends): Add slam package.
72    
73    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/transform.R (stemDoc): Fix character(0) handling.
76    
77    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
78    
79            * R/doc.R (show): Pretty print.
80    
81    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
82    
83            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
84            gracefully.
85    
86    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/corpus.R: Make corpus virtual. Implement corpus with standard
89            and permanent storage semantics.
90    
91            * DESCRIPTION: New major release. A *lot* of improvements.
92    
93    2009-05-04   Ingo Feinerer <feinerer@logic.at>
94    
95            * NAMESPACE: Export some simple_triplet_matrix functions.
96    
97    2009-04-28   Ingo Feinerer <feinerer@logic.at>
98    
99            * R/weight.R: Adapt tf-idf to new matrix format.
100    
101    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
102    
103            * R/matrix.R: Create two distinct classes for term-document and
104            document-term matrices.
105    
106    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/termdocmatrix.R: No longer use Matrix package. This reduces
109            package start-up time significantly.
110    
111    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
112    
113            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
114    
115    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/transform.R (tmReduce): Combine multiple maps into one
118            transformation.
119    
120    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/weight.R: Remove weightLogical since it does not return a
123            dgCMatrix.
124    
125            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
126            or TermDocumentMatrix instead.
127    
128    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
129    
130            * inst/doc/extensions.Rnw: Finished vignette.
131    
132    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
135            DocumentTermMatrix representations.
136    
137    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/reader.R (readXML): New reader for arbitrary XML files.
140    
141  2009-03-22  Ingo Feinerer  <feinerer@logic.at>  2009-03-22  Ingo Feinerer  <feinerer@logic.at>
142    
143          * R/source.R (CSVSource): Defunct (use DataframeSource instead).          * R/source.R (CSVSource): Defunct (use DataframeSource instead).
# Line 6  Line 146 
146    
147  2009-03-21  Ingo Feinerer  <feinerer@logic.at>  2009-03-21  Ingo Feinerer  <feinerer@logic.at>
148    
149          * R/reader.R (readCustom): Experimental reader which can be          * R/reader.R (readTabular): Experimental reader for tabular data
150          customized via user-defined mappings.          structures which can be customized via user-defined mappings.
151    
152          * R/reader.R: Always use UTC time zone.          * R/reader.R: Always use UTC time zone.
153    

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