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revision 911, Sun Mar 22 17:55:16 2009 UTC revision 1034, Tue Jan 12 16:47:41 2010 UTC
# Line 1  Line 1 
1    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/doc.R (`Content<-`): Be careful with names attribute.
4    
5    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
6    
7            * R/source.R (DirSource): Improved implementation especially when
8            handling many (>1M) files.
9    
10    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/source.R (getElem.URISource): Use encoding argument.
13    
14    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
15    
16            * R/doc.R (setOldClass): Register S3 document classes to be
17            recognized by S4 methods.
18    
19    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/matrix.R (termFreq): Add option to remove punctuation
22            characters.
23    
24    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
27            merging multiple term-document matrices.
28    
29    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/corpus.R (setOldClass): Register S3 corpus classes to be
32            recognized by S4 methods.
33    
34            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
35            that CRAN Mac OS X builds do not fail any longer.
36    
37    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
38    
39            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
40            of RWeka:AlphabeticTokenizer() as default.
41    
42    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
45            caused words at the beginning or the end of a line not to be removed. Do
46            not delete whitespace anymore.
47    
48    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/source.R (DirSource): Default to working directory if no path
51            is specified.
52    
53    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/source.R (DirSource): Stop on empty directories.
56    
57    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
58    
59            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
60            named documents.
61    
62    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
63    
64            * R/transform.R (removeWords): Improve regular expressions.
65    
66    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
67    
68            * R/meta.R (DublinCore): Allow lower case tags.
69    
70    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
71    
72            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
73            instead of x$children.
74    
75    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
76    
77            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
78    
79    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
80    
81            * R/: Use S3 instead of S4 class system.
82    
83    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/reader.R (readMail): Moved to tm.plugin.mail package.
86    
87    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
90            postings are basically e-mails with some extra headers.
91    
92    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/transform.R: Move convertMboxEml, removeCitation,
95            removeMultipart, and removeSignature to the tm.plugin.mail package
96            since they are mainly utility functions (for handling e-mails) and
97            not very framework specific.
98    
99    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
100    
101            * man/: Fix documentation.
102    
103    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
104    
105            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
106            plain text document instead of an XML document for texts of the
107            Reuters-21578 dataset.
108    
109            * R/sparse.R: Removed since the slam package is now available on
110            CRAN.
111    
112            * DESCRIPTION (Depends): Add slam package.
113    
114    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
115    
116            * R/transform.R (stemDoc): Fix character(0) handling.
117    
118    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
119    
120            * R/doc.R (show): Pretty print.
121    
122    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
125            gracefully.
126    
127    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/corpus.R: Make corpus virtual. Implement corpus with standard
130            and permanent storage semantics.
131    
132            * DESCRIPTION: New major release. A *lot* of improvements.
133    
134    2009-05-04   Ingo Feinerer <feinerer@logic.at>
135    
136            * NAMESPACE: Export some simple_triplet_matrix functions.
137    
138    2009-04-28   Ingo Feinerer <feinerer@logic.at>
139    
140            * R/weight.R: Adapt tf-idf to new matrix format.
141    
142    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/matrix.R: Create two distinct classes for term-document and
145            document-term matrices.
146    
147    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/termdocmatrix.R: No longer use Matrix package. This reduces
150            package start-up time significantly.
151    
152    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
153    
154            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
155    
156    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/transform.R (tmReduce): Combine multiple maps into one
159            transformation.
160    
161    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/weight.R: Remove weightLogical since it does not return a
164            dgCMatrix.
165    
166            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
167            or TermDocumentMatrix instead.
168    
169    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
170    
171            * inst/doc/extensions.Rnw: Finished vignette.
172    
173    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
174    
175            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
176            DocumentTermMatrix representations.
177    
178    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
179    
180            * R/reader.R (readXML): New reader for arbitrary XML files.
181    
182  2009-03-22  Ingo Feinerer  <feinerer@logic.at>  2009-03-22  Ingo Feinerer  <feinerer@logic.at>
183    
184          * R/source.R (CSVSource): Defunct (use DataframeSource instead).          * R/source.R (CSVSource): Defunct (use DataframeSource instead).
# Line 6  Line 187 
187    
188  2009-03-21  Ingo Feinerer  <feinerer@logic.at>  2009-03-21  Ingo Feinerer  <feinerer@logic.at>
189    
190          * R/reader.R (readCustom): Experimental reader which can be          * R/reader.R (readTabular): Experimental reader for tabular data
191          customized via user-defined mappings.          structures which can be customized via user-defined mappings.
192    
193          * R/reader.R: Always use UTC time zone.          * R/reader.R: Always use UTC time zone.
194    

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