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revision 1007, Tue Sep 15 18:02:44 2009 UTC revision 1102, Sat Oct 16 10:01:09 2010 UTC
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1    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
4            documents by document ID.
5    
6    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
9            \code{recursive} now determines whether existing corpus meta data
10            is used.
11    
12    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
13    
14            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
15    
16    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
19            remove terms not occurring in the corpus anymore.
20    
21    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
24            and Heaps' law.
25    
26    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
29            provided by a source.
30    
31    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
32    
33            * R/source.R (.Source): Provide document names.
34    
35    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/meta.R (`content_or_meta`): Utility function.
38    
39    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
42            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
43    
44    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/weight.R (weightTfIdf): Added normalization option.
47    
48            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
49            analysis.
50    
51    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
52    
53            * R/score.R (tm_tag_score): Compute a score from the number of
54            tags matching in a document.
55    
56    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/complete.R (stemCompletion): New completion heuristics.
59    
60    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
63    
64    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
65    
66            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
67            setOldClass(c(..., "list")) works.
68    
69    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/transform.R (stemDocument.character): In case input is a
72            simple character just delegate to the default Snowball stemmer.
73    
74    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
77            data.
78    
79    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
80    
81            * R/doc.R (`Content<-`): Be careful with names attribute.
82    
83    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
84    
85            * R/source.R (DirSource): Improved implementation especially when
86            handling many (> 1M) files.
87    
88    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/source.R (getElem.URISource): Use encoding argument.
91    
92    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/doc.R (setOldClass): Register S3 document classes to be
95            recognized by S4 methods.
96    
97    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/matrix.R (termFreq): Add option to remove punctuation
100            characters.
101    
102    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
105            merging multiple term-document matrices.
106    
107    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/corpus.R (setOldClass): Register S3 corpus classes to be
110            recognized by S4 methods.
111    
112            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
113            that CRAN Mac OS X builds do not fail any longer.
114    
115    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
118            of RWeka:AlphabeticTokenizer() as default.
119    
120    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
123            caused words at the beginning or the end of a line not to be removed. Do
124            not delete whitespace anymore.
125    
126    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/source.R (DirSource): Default to working directory if no path
129            is specified.
130    
131    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/source.R (DirSource): Stop on empty directories.
134    
135    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
138            named documents.
139    
140    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/transform.R (removeWords): Improve regular expressions.
143    
144    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
145    
146            * R/meta.R (DublinCore): Allow lower case tags.
147    
148    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
149    
150            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
151            instead of x$children.
152    
153  2009-09-15  Ingo Feinerer  <feinerer@logic.at>  2009-09-15  Ingo Feinerer  <feinerer@logic.at>
154    
155          * R/preprocess.R (preprocessReut21578XML): Fix generated file names.          * R/preprocess.R (preprocessReut21578XML): Fix generated file names.

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