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revision 911, Sun Mar 22 17:55:16 2009 UTC revision 1023, Wed Nov 25 06:08:20 2009 UTC
# Line 1  Line 1 
1    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/matrix.R (termFreq): Add option to remove punctuation
4            characters.
5    
6    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
9            merging multiple term-document matrices.
10    
11    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/corpus.R (setOldClass): Register S3 corpus classes to be
14            recognized by S4 methods.
15    
16            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
17            that CRAN Mac OS X builds do not fail any longer.
18    
19    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
22            of RWeka:AlphabeticTokenizer() as default.
23    
24    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
27            caused words at the beginning or the end of a line not to be removed. Do
28            not delete whitespace anymore.
29    
30    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/source.R (DirSource): Default to working directory if no path
33            is specified.
34    
35    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/source.R (DirSource): Stop on empty directories.
38    
39    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
42            named documents.
43    
44    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/transform.R (removeWords): Improve regular expressions.
47    
48    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/meta.R (DublinCore): Allow lower case tags.
51    
52    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
55            instead of x$children.
56    
57    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
58    
59            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
60    
61    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/: Use S3 instead of S4 class system.
64    
65    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/reader.R (readMail): Moved to tm.plugin.mail package.
68    
69    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
72            postings are basically e-mails with some extra headers.
73    
74    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/transform.R: Move convertMboxEml, removeCitation,
77            removeMultipart, and removeSignature to the tm.plugin.mail package
78            since they are mainly utility functions (for handling e-mails) and
79            not very framework specific.
80    
81    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
82    
83            * man/: Fix documentation.
84    
85    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
88            plain text document instead of an XML document for texts of the
89            Reuters-21578 dataset.
90    
91            * R/sparse.R: Removed since the slam package is now available on
92            CRAN.
93    
94            * DESCRIPTION (Depends): Add slam package.
95    
96    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/transform.R (stemDoc): Fix character(0) handling.
99    
100    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
101    
102            * R/doc.R (show): Pretty print.
103    
104    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
105    
106            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
107            gracefully.
108    
109    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
110    
111            * R/corpus.R: Make corpus virtual. Implement corpus with standard
112            and permanent storage semantics.
113    
114            * DESCRIPTION: New major release. A *lot* of improvements.
115    
116    2009-05-04   Ingo Feinerer <feinerer@logic.at>
117    
118            * NAMESPACE: Export some simple_triplet_matrix functions.
119    
120    2009-04-28   Ingo Feinerer <feinerer@logic.at>
121    
122            * R/weight.R: Adapt tf-idf to new matrix format.
123    
124    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/matrix.R: Create two distinct classes for term-document and
127            document-term matrices.
128    
129    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/termdocmatrix.R: No longer use Matrix package. This reduces
132            package start-up time significantly.
133    
134    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
135    
136            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
137    
138    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
139    
140            * R/transform.R (tmReduce): Combine multiple maps into one
141            transformation.
142    
143    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
144    
145            * R/weight.R: Remove weightLogical since it does not return a
146            dgCMatrix.
147    
148            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
149            or TermDocumentMatrix instead.
150    
151    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
152    
153            * inst/doc/extensions.Rnw: Finished vignette.
154    
155    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
158            DocumentTermMatrix representations.
159    
160    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/reader.R (readXML): New reader for arbitrary XML files.
163    
164  2009-03-22  Ingo Feinerer  <feinerer@logic.at>  2009-03-22  Ingo Feinerer  <feinerer@logic.at>
165    
166          * R/source.R (CSVSource): Defunct (use DataframeSource instead).          * R/source.R (CSVSource): Defunct (use DataframeSource instead).
# Line 6  Line 169 
169    
170  2009-03-21  Ingo Feinerer  <feinerer@logic.at>  2009-03-21  Ingo Feinerer  <feinerer@logic.at>
171    
172          * R/reader.R (readCustom): Experimental reader which can be          * R/reader.R (readTabular): Experimental reader for tabular data
173          customized via user-defined mappings.          structures which can be customized via user-defined mappings.
174    
175          * R/reader.R: Always use UTC time zone.          * R/reader.R: Always use UTC time zone.
176    

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