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revision 1007, Tue Sep 15 18:02:44 2009 UTC revision 1084, Fri Aug 6 21:47:23 2010 UTC
# Line 1  Line 1 
1    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
4    
5    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
8            remove terms not occurring in the corpus anymore.
9    
10    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
13            and Heaps' law.
14    
15    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
18            provided by a source.
19    
20    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
21    
22            * R/source.R (.Source): Provide document names.
23    
24    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/meta.R (`content_or_meta`): Utility function.
27    
28    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
31            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
32    
33    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
34    
35            * R/weight.R (weightTfIdf): Added normalization option.
36    
37            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
38            analysis.
39    
40    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/score.R (tm_tag_score): Compute a score from the number of
43            tags matching in a document.
44    
45    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/complete.R (stemCompletion): New completion heuristics.
48    
49    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
52    
53    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
54    
55            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
56            setOldClass(c(..., "list")) works.
57    
58    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/transform.R (stemDocument.character): In case input is a
61            simple character just delegate to the default Snowball stemmer.
62    
63    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
66            data.
67    
68    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/doc.R (`Content<-`): Be careful with names attribute.
71    
72    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
73    
74            * R/source.R (DirSource): Improved implementation especially when
75            handling many (> 1M) files.
76    
77    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
78    
79            * R/source.R (getElem.URISource): Use encoding argument.
80    
81    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
82    
83            * R/doc.R (setOldClass): Register S3 document classes to be
84            recognized by S4 methods.
85    
86    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/matrix.R (termFreq): Add option to remove punctuation
89            characters.
90    
91    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
94            merging multiple term-document matrices.
95    
96    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/corpus.R (setOldClass): Register S3 corpus classes to be
99            recognized by S4 methods.
100    
101            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
102            that CRAN Mac OS X builds do not fail any longer.
103    
104    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
105    
106            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
107            of RWeka:AlphabeticTokenizer() as default.
108    
109    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
110    
111            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
112            caused words at the beginning or the end of a line not to be removed. Do
113            not delete whitespace anymore.
114    
115    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/source.R (DirSource): Default to working directory if no path
118            is specified.
119    
120    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/source.R (DirSource): Stop on empty directories.
123    
124    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
127            named documents.
128    
129    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/transform.R (removeWords): Improve regular expressions.
132    
133    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/meta.R (DublinCore): Allow lower case tags.
136    
137    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
140            instead of x$children.
141    
142  2009-09-15  Ingo Feinerer  <feinerer@logic.at>  2009-09-15  Ingo Feinerer  <feinerer@logic.at>
143    
144          * R/preprocess.R (preprocessReut21578XML): Fix generated file names.          * R/preprocess.R (preprocessReut21578XML): Fix generated file names.

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