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revision 911, Sun Mar 22 17:55:16 2009 UTC revision 1046, Fri Feb 26 12:45:38 2010 UTC
# Line 1  Line 1 
1    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/score.R (tm_tag_score): Compute a score from the number of
4            tags matching in a document.
5    
6    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/complete.R (stemCompletion): New completion heuristics.
9    
10    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
13    
14    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
15    
16            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
17            setOldClass(c(..., "list")) works.
18    
19    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/transform.R (stemDocument.character): In case input is a
22            simple character just delegate to the default Snowball stemmer.
23    
24    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
27            data.
28    
29    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/doc.R (`Content<-`): Be careful with names attribute.
32    
33    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
34    
35            * R/source.R (DirSource): Improved implementation especially when
36            handling many (> 1M) files.
37    
38    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
39    
40            * R/source.R (getElem.URISource): Use encoding argument.
41    
42    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/doc.R (setOldClass): Register S3 document classes to be
45            recognized by S4 methods.
46    
47    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
48    
49            * R/matrix.R (termFreq): Add option to remove punctuation
50            characters.
51    
52    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
55            merging multiple term-document matrices.
56    
57    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
58    
59            * R/corpus.R (setOldClass): Register S3 corpus classes to be
60            recognized by S4 methods.
61    
62            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
63            that CRAN Mac OS X builds do not fail any longer.
64    
65    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
68            of RWeka:AlphabeticTokenizer() as default.
69    
70    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
71    
72            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
73            caused words at the beginning or the end of a line not to be removed. Do
74            not delete whitespace anymore.
75    
76    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
77    
78            * R/source.R (DirSource): Default to working directory if no path
79            is specified.
80    
81    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
82    
83            * R/source.R (DirSource): Stop on empty directories.
84    
85    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
88            named documents.
89    
90    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
91    
92            * R/transform.R (removeWords): Improve regular expressions.
93    
94    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
95    
96            * R/meta.R (DublinCore): Allow lower case tags.
97    
98    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
101            instead of x$children.
102    
103    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
104    
105            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
106    
107    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/: Use S3 instead of S4 class system.
110    
111    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
112    
113            * R/reader.R (readMail): Moved to tm.plugin.mail package.
114    
115    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
118            postings are basically e-mails with some extra headers.
119    
120    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/transform.R: Move convertMboxEml, removeCitation,
123            removeMultipart, and removeSignature to the tm.plugin.mail package
124            since they are mainly utility functions (for handling e-mails) and
125            not very framework specific.
126    
127    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
128    
129            * man/: Fix documentation.
130    
131    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
134            plain text document instead of an XML document for texts of the
135            Reuters-21578 dataset.
136    
137            * R/sparse.R: Removed since the slam package is now available on
138            CRAN.
139    
140            * DESCRIPTION (Depends): Add slam package.
141    
142    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/transform.R (stemDoc): Fix character(0) handling.
145    
146    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
147    
148            * R/doc.R (show): Pretty print.
149    
150    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
153            gracefully.
154    
155    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/corpus.R: Make corpus virtual. Implement corpus with standard
158            and permanent storage semantics.
159    
160            * DESCRIPTION: New major release. A *lot* of improvements.
161    
162    2009-05-04   Ingo Feinerer <feinerer@logic.at>
163    
164            * NAMESPACE: Export some simple_triplet_matrix functions.
165    
166    2009-04-28   Ingo Feinerer <feinerer@logic.at>
167    
168            * R/weight.R: Adapt tf-idf to new matrix format.
169    
170    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
171    
172            * R/matrix.R: Create two distinct classes for term-document and
173            document-term matrices.
174    
175    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/termdocmatrix.R: No longer use Matrix package. This reduces
178            package start-up time significantly.
179    
180    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
181    
182            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
183    
184    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/transform.R (tmReduce): Combine multiple maps into one
187            transformation.
188    
189    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
190    
191            * R/weight.R: Remove weightLogical since it does not return a
192            dgCMatrix.
193    
194            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
195            or TermDocumentMatrix instead.
196    
197    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
198    
199            * inst/doc/extensions.Rnw: Finished vignette.
200    
201    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
202    
203            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
204            DocumentTermMatrix representations.
205    
206    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
207    
208            * R/reader.R (readXML): New reader for arbitrary XML files.
209    
210  2009-03-22  Ingo Feinerer  <feinerer@logic.at>  2009-03-22  Ingo Feinerer  <feinerer@logic.at>
211    
212          * R/source.R (CSVSource): Defunct (use DataframeSource instead).          * R/source.R (CSVSource): Defunct (use DataframeSource instead).
# Line 6  Line 215 
215    
216  2009-03-21  Ingo Feinerer  <feinerer@logic.at>  2009-03-21  Ingo Feinerer  <feinerer@logic.at>
217    
218          * R/reader.R (readCustom): Experimental reader which can be          * R/reader.R (readTabular): Experimental reader for tabular data
219          customized via user-defined mappings.          structures which can be customized via user-defined mappings.
220    
221          * R/reader.R: Always use UTC time zone.          * R/reader.R: Always use UTC time zone.
222    

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