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revision 1013, Wed Oct 21 12:34:39 2009 UTC revision 1108, Fri Oct 22 18:32:47 2010 UTC
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1    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
4            (instead of a list element).
5    
6    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
9            documents by names (fallback to IDs if names are not set).
10    
11    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
14            \code{recursive} now determines whether existing corpus meta data
15            is used.
16    
17    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
18    
19            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
20    
21    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
24            remove terms not occurring in the corpus anymore.
25    
26    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
29            and Heaps' law.
30    
31    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
32    
33            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
34            provided by a source.
35    
36    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/source.R (.Source): Provide document names.
39    
40    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/meta.R (`content_or_meta`): Utility function.
43    
44    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
47            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
48    
49    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/weight.R (weightTfIdf): Added normalization option.
52    
53            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
54            analysis.
55    
56    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/score.R (tm_tag_score): Compute a score from the number of
59            tags matching in a document.
60    
61    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/complete.R (stemCompletion): New completion heuristics.
64    
65    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
68    
69    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
70    
71            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
72            setOldClass(c(..., "list")) works.
73    
74    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/transform.R (stemDocument.character): In case input is a
77            simple character just delegate to the default Snowball stemmer.
78    
79    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
80    
81            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
82            data.
83    
84    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
85    
86            * R/doc.R (`Content<-`): Be careful with names attribute.
87    
88    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
89    
90            * R/source.R (DirSource): Improved implementation especially when
91            handling many (> 1M) files.
92    
93    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
94    
95            * R/source.R (getElem.URISource): Use encoding argument.
96    
97    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/doc.R (setOldClass): Register S3 document classes to be
100            recognized by S4 methods.
101    
102    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/matrix.R (termFreq): Add option to remove punctuation
105            characters.
106    
107    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
110            merging multiple term-document matrices.
111    
112    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/corpus.R (setOldClass): Register S3 corpus classes to be
115            recognized by S4 methods.
116    
117            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
118            that CRAN Mac OS X builds do not fail any longer.
119    
120    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
123            of RWeka:AlphabeticTokenizer() as default.
124    
125    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
126    
127            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
128            caused words at the beginning or the end of a line not to be removed. Do
129            not delete whitespace anymore.
130    
131    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/source.R (DirSource): Default to working directory if no path
134            is specified.
135    
136    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/source.R (DirSource): Stop on empty directories.
139    
140    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
143            named documents.
144    
145  2009-10-21  Ingo Feinerer  <feinerer@logic.at>  2009-10-21  Ingo Feinerer  <feinerer@logic.at>
146    
147          * R/transform.R (removeWords): Improve regular expressions.          * R/transform.R (removeWords): Improve regular expressions.

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