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revision 729, Tue Apr 10 17:08:52 2007 UTC revision 775, Sat Jul 28 13:57:02 2007 UTC
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1    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R (asPlain): Conversion from
4            StructuredTextDocuments to PlainTextDocuments.
5    
6    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
9            for accessing term-document matrices.
10    
11            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
12            are installed.
13    
14    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
17            Christian Buchta.
18    
19    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
22    
23    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
26    
27            * R/reader.R (readPDF): Added PDF reader.
28    
29    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
32    
33            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
34    
35            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
36    
37            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
38    
39    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/distmeasure.R (dissimilarity): Replaced dists call from
42            package cba by new dist call from package proxy.
43    
44    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
47    
48    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/termdocmatrix.R: require() uses the quietly option to suppress
51            loading messages.
52    
53    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/dictionary.R: Added dictionary support.
56    
57    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
60            documents. This simplifies some functions, e.g., asPlain.
61    
62    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * inst/doc/tm.Rnw: Fixed some typos in vignette.
65    
66    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * R/textdoccol.R (replaceWords): Added method to replace a set of
69            words by a single word. Useful for synonyms.
70    
71    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
74    
75    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
78            vectors. Thanks to Ariel Maguyon for his error report.
79            (removeSparseTerms): New function to remove columns from a
80            term-document matrix exceeding a sparse factor.
81    
82    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
85    
86    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * man/sFilter.Rd: Corrected documentation on statement format (use
89            '==' instead of '=').
90    
91    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * R/aobjects.R (StructuredTextDocument): Inherits from
94            TextDocument.
95    
96    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
99            on sparse matrices as proposed by Martin Maechler.
100    
101    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
102    
103            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
104            \pkg{filehash} version makes them deprecated.
105    
106    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * R/termdocmatrix.R (textvector): Stemming is now performed before
109            erasing stopwords.
110            (weightMatrix): Adapted to handle sparse matrices.
111            (TermDocMatrix): Sparse matrix is now efficiently built by
112            direct stepwise insertion of row values into it.
113    
114    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
117            due to ongoing problems. For our purposes the latter is as useful
118            as the replaced package.
119    
120    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
123    
124            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
125    
126    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
129            languages with available stopwords.
130    
131    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * inst/doc/tm.Rnw: Minor corrections in the vignette.
134    
135    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * DESCRIPTION: Update to version 0.2, since a lot of new features
138            have been integrated.
139    
140            * inst/stopwords: Updated existing stopwords and added stopwords
141            for various other languages.
142    
143  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * man/: Updated documentation.
146    
147          * Work/testDb.R: Script to test database stuff.          * Work/testDb.R: Script to test database stuff.
148    
149          * R/: Fixed various database related bugs. Seems to be rather          * R/: Fixed various database related bugs. Seems to be rather

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