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revision 923, Fri Apr 3 08:07:20 2009 UTC revision 1038, Fri Jan 15 12:12:41 2010 UTC
# Line 1  Line 1 
1    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
4            data.
5    
6    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/doc.R (`Content<-`): Be careful with names attribute.
9    
10    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
11    
12            * R/source.R (DirSource): Improved implementation especially when
13            handling many (>1M) files.
14    
15    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/source.R (getElem.URISource): Use encoding argument.
18    
19    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/doc.R (setOldClass): Register S3 document classes to be
22            recognized by S4 methods.
23    
24    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/matrix.R (termFreq): Add option to remove punctuation
27            characters.
28    
29    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
32            merging multiple term-document matrices.
33    
34    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
35    
36            * R/corpus.R (setOldClass): Register S3 corpus classes to be
37            recognized by S4 methods.
38    
39            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
40            that CRAN Mac OS X builds do not fail any longer.
41    
42    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
45            of RWeka:AlphabeticTokenizer() as default.
46    
47    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
48    
49            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
50            caused words at the beginning or the end of a line not to be removed. Do
51            not delete whitespace anymore.
52    
53    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/source.R (DirSource): Default to working directory if no path
56            is specified.
57    
58    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/source.R (DirSource): Stop on empty directories.
61    
62    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
63    
64            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
65            named documents.
66    
67    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/transform.R (removeWords): Improve regular expressions.
70    
71    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/meta.R (DublinCore): Allow lower case tags.
74    
75    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
76    
77            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
78            instead of x$children.
79    
80    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
83    
84    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
85    
86            * R/: Use S3 instead of S4 class system.
87    
88    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/reader.R (readMail): Moved to tm.plugin.mail package.
91    
92    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
95            postings are basically e-mails with some extra headers.
96    
97    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/transform.R: Move convertMboxEml, removeCitation,
100            removeMultipart, and removeSignature to the tm.plugin.mail package
101            since they are mainly utility functions (for handling e-mails) and
102            not very framework specific.
103    
104    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
105    
106            * man/: Fix documentation.
107    
108    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
111            plain text document instead of an XML document for texts of the
112            Reuters-21578 dataset.
113    
114            * R/sparse.R: Removed since the slam package is now available on
115            CRAN.
116    
117            * DESCRIPTION (Depends): Add slam package.
118    
119    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
120    
121            * R/transform.R (stemDoc): Fix character(0) handling.
122    
123    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
124    
125            * R/doc.R (show): Pretty print.
126    
127    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
130            gracefully.
131    
132    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/corpus.R: Make corpus virtual. Implement corpus with standard
135            and permanent storage semantics.
136    
137            * DESCRIPTION: New major release. A *lot* of improvements.
138    
139    2009-05-04   Ingo Feinerer <feinerer@logic.at>
140    
141            * NAMESPACE: Export some simple_triplet_matrix functions.
142    
143    2009-04-28   Ingo Feinerer <feinerer@logic.at>
144    
145            * R/weight.R: Adapt tf-idf to new matrix format.
146    
147    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/matrix.R: Create two distinct classes for term-document and
150            document-term matrices.
151    
152    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/termdocmatrix.R: No longer use Matrix package. This reduces
155            package start-up time significantly.
156    
157    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
158    
159            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
160    
161    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/transform.R (tmReduce): Combine multiple maps into one
164            transformation.
165    
166  2009-04-03  Ingo Feinerer  <feinerer@logic.at>  2009-04-03  Ingo Feinerer  <feinerer@logic.at>
167    
168          * R/termdocmatrix.R: Further work on new TermDocumentMatrix.          * R/weight.R: Remove weightLogical since it does not return a
169            dgCMatrix.
170    
171            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
172            or TermDocumentMatrix instead.
173    
174  2009-03-28  Ingo Feinerer  <feinerer@logic.at>  2009-03-28  Ingo Feinerer  <feinerer@logic.at>
175    
# Line 23  Line 192 
192    
193  2009-03-21  Ingo Feinerer  <feinerer@logic.at>  2009-03-21  Ingo Feinerer  <feinerer@logic.at>
194    
195          * R/reader.R (readCustom): Experimental reader which can be          * R/reader.R (readTabular): Experimental reader for tabular data
196          customized via user-defined mappings.          structures which can be customized via user-defined mappings.
197    
198          * R/reader.R: Always use UTC time zone.          * R/reader.R: Always use UTC time zone.
199    

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