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revision 729, Tue Apr 10 17:08:52 2007 UTC revision 773, Sat Jul 21 12:05:08 2007 UTC
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1    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
4            are installed.
5    
6    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
9            Christian Buchta.
10    
11    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
14    
15    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
18    
19            * R/reader.R (readPDF): Added PDF reader.
20    
21    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
24    
25            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
26    
27            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
28    
29            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
30    
31    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/distmeasure.R (dissimilarity): Replaced dists call from
34            package cba by new dist call from package proxy.
35    
36    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
39    
40    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/termdocmatrix.R: require() uses the quietly option to suppress
43            loading messages.
44    
45    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/dictionary.R: Added dictionary support.
48    
49    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
52            documents. This simplifies some functions, e.g., asPlain.
53    
54    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * inst/doc/tm.Rnw: Fixed some typos in vignette.
57    
58    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/textdoccol.R (replaceWords): Added method to replace a set of
61            words by a single word. Useful for synonyms.
62    
63    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
66    
67    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
70            vectors. Thanks to Ariel Maguyon for his error report.
71            (removeSparseTerms): New function to remove columns from a
72            term-document matrix exceeding a sparse factor.
73    
74    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
77    
78    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * man/sFilter.Rd: Corrected documentation on statement format (use
81            '==' instead of '=').
82    
83    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * R/aobjects.R (StructuredTextDocument): Inherits from
86            TextDocument.
87    
88    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
91            on sparse matrices as proposed by Martin Maechler.
92    
93    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
94    
95            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
96            \pkg{filehash} version makes them deprecated.
97    
98    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/termdocmatrix.R (textvector): Stemming is now performed before
101            erasing stopwords.
102            (weightMatrix): Adapted to handle sparse matrices.
103            (TermDocMatrix): Sparse matrix is now efficiently built by
104            direct stepwise insertion of row values into it.
105    
106    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
109            due to ongoing problems. For our purposes the latter is as useful
110            as the replaced package.
111    
112    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
115    
116            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
117    
118    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
121            languages with available stopwords.
122    
123    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * inst/doc/tm.Rnw: Minor corrections in the vignette.
126    
127    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * DESCRIPTION: Update to version 0.2, since a lot of new features
130            have been integrated.
131    
132            * inst/stopwords: Updated existing stopwords and added stopwords
133            for various other languages.
134    
135  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * man/: Updated documentation.
138    
139          * Work/testDb.R: Script to test database stuff.          * Work/testDb.R: Script to test database stuff.
140    
141          * R/: Fixed various database related bugs. Seems to be rather          * R/: Fixed various database related bugs. Seems to be rather

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