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Diff of /trunk/tm/ChangeLog

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revision 730, Wed Apr 11 02:15:10 2007 UTC revision 768, Sun Jul 15 08:33:56 2007 UTC
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1    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
4    
5    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
8    
9            * R/reader.R (readPDF): Added PDF reader.
10    
11    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
14    
15            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
16    
17            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
18    
19            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
20    
21    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * R/distmeasure.R (dissimilarity): Replaced dists call from
24            package cba by new dist call from package proxy.
25    
26    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
29    
30    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * R/termdocmatrix.R: require() uses the quietly option to suppress
33            loading messages.
34    
35    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/dictionary.R: Added dictionary support.
38    
39    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
42            documents. This simplifies some functions, e.g., asPlain.
43    
44    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * inst/doc/tm.Rnw: Fixed some typos in vignette.
47    
48    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/textdoccol.R (replaceWords): Added method to replace a set of
51            words by a single word. Useful for synonyms.
52    
53    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
56    
57    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
60            vectors. Thanks to Ariel Maguyon for his error report.
61            (removeSparseTerms): New function to remove columns from a
62            term-document matrix exceeding a sparse factor.
63    
64    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
67    
68    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * man/sFilter.Rd: Corrected documentation on statement format (use
71            '==' instead of '=').
72    
73    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * R/aobjects.R (StructuredTextDocument): Inherits from
76            TextDocument.
77    
78    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
81            on sparse matrices as proposed by Martin Maechler.
82    
83    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
86            \pkg{filehash} version makes them deprecated.
87    
88    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * R/termdocmatrix.R (textvector): Stemming is now performed before
91            erasing stopwords.
92            (weightMatrix): Adapted to handle sparse matrices.
93            (TermDocMatrix): Sparse matrix is now efficiently built by
94            direct stepwise insertion of row values into it.
95    
96    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
99            due to ongoing problems. For our purposes the latter is as useful
100            as the replaced package.
101    
102    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
103    
104            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
105    
106            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
107    
108    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
111            languages with available stopwords.
112    
113    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * inst/doc/tm.Rnw: Minor corrections in the vignette.
116    
117    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
118    
119            * DESCRIPTION: Update to version 0.2, since a lot of new features
120            have been integrated.
121    
122            * inst/stopwords: Updated existing stopwords and added stopwords
123            for various other languages.
124    
125  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127          * man/: Updated documentation.          * man/: Updated documentation.

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