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revision 738, Fri Apr 20 13:55:34 2007 UTC revision 767, Sat Jul 14 16:50:44 2007 UTC
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1    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
4    
5            * R/reader.R (readPDF): Added PDF reader.
6    
7    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
8    
9            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
10    
11            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
12    
13            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
14    
15            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
16    
17    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * R/distmeasure.R (dissimilarity): Replaced dists call from
20            package cba by new dist call from package proxy.
21    
22    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
23    
24            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
25    
26    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/termdocmatrix.R: require() uses the quietly option to suppress
29            loading messages.
30    
31    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/dictionary.R: Added dictionary support.
34    
35    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
38            documents. This simplifies some functions, e.g., asPlain.
39    
40    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * inst/doc/tm.Rnw: Fixed some typos in vignette.
43    
44    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/textdoccol.R (replaceWords): Added method to replace a set of
47            words by a single word. Useful for synonyms.
48    
49    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
52    
53    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
56            vectors. Thanks to Ariel Maguyon for his error report.
57            (removeSparseTerms): New function to remove columns from a
58            term-document matrix exceeding a sparse factor.
59    
60    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
63    
64    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * man/sFilter.Rd: Corrected documentation on statement format (use
67            '==' instead of '=').
68    
69    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
70    
71            * R/aobjects.R (StructuredTextDocument): Inherits from
72            TextDocument.
73    
74    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
77            on sparse matrices as proposed by Martin Maechler.
78    
79    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
82            \pkg{filehash} version makes them deprecated.
83    
84    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/termdocmatrix.R (textvector): Stemming is now performed before
87            erasing stopwords.
88            (weightMatrix): Adapted to handle sparse matrices.
89            (TermDocMatrix): Sparse matrix is now efficiently built by
90            direct stepwise insertion of row values into it.
91    
92    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
95            due to ongoing problems. For our purposes the latter is as useful
96            as the replaced package.
97    
98  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.

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