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Diff of /trunk/tm/ChangeLog

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revision 748, Fri May 4 18:52:42 2007 UTC revision 796, Tue Nov 6 15:22:34 2007 UTC
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1    2007-11-06  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/termdocmatrix.R (termFreq): Correct processing of empty
4            documents.
5    
6    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * man/: Updated documentation.
9    
10    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/complete.R (completeStems): Completes (heuristically) word
13            stems.
14    
15            * R/termdocmatrix.R (TermDocMatrix2): New modular
16            constructor.
17    
18            * NAMESPACE: Exported termFreq.
19    
20    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/reader.R (readDOC): Added MS Word reader (using antiword).
23    
24    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * R/weight.R: Weighting functions for TermDocMatrix.
27    
28    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
31            functions for accessing dimension, column, and row names.
32    
33            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
34    
35    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
38    
39    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
42    
43    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * R/reader.R (readPDF): Removed manual checks for pdftotext and
46            pdfinfo. The system call gives a warning anyway.
47    
48    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/textdoccol.R (asPlain): Conversion from
51            StructuredTextDocuments to PlainTextDocuments.
52    
53    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
56            for accessing term-document matrices.
57    
58            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
59            are installed.
60    
61    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
64            Christian Buchta.
65    
66    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
69    
70    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
73    
74            * R/reader.R (readPDF): Added PDF reader.
75    
76    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
77    
78            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
79    
80            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
81    
82            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
83    
84            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
85    
86    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * R/distmeasure.R (dissimilarity): Replaced dists call from
89            package cba by new dist call from package proxy.
90    
91    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
94    
95    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * R/termdocmatrix.R: require() uses the quietly option to suppress
98            loading messages.
99    
100    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/dictionary.R: Added dictionary support.
103    
104    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
107            documents. This simplifies some functions, e.g., asPlain.
108    
109    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * inst/doc/tm.Rnw: Fixed some typos in vignette.
112    
113    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * R/textdoccol.R (replaceWords): Added method to replace a set of
116            words by a single word. Useful for synonyms.
117    
118    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
121    
122    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
125            vectors. Thanks to Ariel Maguyon for his error report.
126            (removeSparseTerms): New function to remove columns from a
127            term-document matrix exceeding a sparse factor.
128    
129    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
132    
133    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * man/sFilter.Rd: Corrected documentation on statement format (use
136            '==' instead of '=').
137    
138    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * R/aobjects.R (StructuredTextDocument): Inherits from
141            TextDocument.
142    
143  2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145          * R/termdocmatrix.R (findFreqTerms): Perform efficient computation          * R/termdocmatrix.R (findFreqTerms): Perform efficient computation

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