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revision 732, Wed Apr 11 18:11:54 2007 UTC revision 788, Sun Oct 14 12:16:26 2007 UTC
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1    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/weight.R: Weighting functions for TermDocMatrix.
4    
5    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
8            functions for accessing dimension, column, and row names.
9    
10            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
11    
12    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
15    
16    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
19    
20    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/reader.R (readPDF): Removed manual checks for pdftotext and
23            pdfinfo. The system call gives a warning anyway.
24    
25    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * R/textdoccol.R (asPlain): Conversion from
28            StructuredTextDocuments to PlainTextDocuments.
29    
30    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
33            for accessing term-document matrices.
34    
35            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
36            are installed.
37    
38    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
41            Christian Buchta.
42    
43    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
46    
47    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
50    
51            * R/reader.R (readPDF): Added PDF reader.
52    
53    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
56    
57            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
58    
59            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
60    
61            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
62    
63    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * R/distmeasure.R (dissimilarity): Replaced dists call from
66            package cba by new dist call from package proxy.
67    
68    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
71    
72    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/termdocmatrix.R: require() uses the quietly option to suppress
75            loading messages.
76    
77    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/dictionary.R: Added dictionary support.
80    
81    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
84            documents. This simplifies some functions, e.g., asPlain.
85    
86    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * inst/doc/tm.Rnw: Fixed some typos in vignette.
89    
90    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * R/textdoccol.R (replaceWords): Added method to replace a set of
93            words by a single word. Useful for synonyms.
94    
95    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
98    
99    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
102            vectors. Thanks to Ariel Maguyon for his error report.
103            (removeSparseTerms): New function to remove columns from a
104            term-document matrix exceeding a sparse factor.
105    
106    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
109    
110    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * man/sFilter.Rd: Corrected documentation on statement format (use
113            '==' instead of '=').
114    
115    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/aobjects.R (StructuredTextDocument): Inherits from
118            TextDocument.
119    
120    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
123            on sparse matrices as proposed by Martin Maechler.
124    
125    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
128            \pkg{filehash} version makes them deprecated.
129    
130    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * R/termdocmatrix.R (textvector): Stemming is now performed before
133            erasing stopwords.
134            (weightMatrix): Adapted to handle sparse matrices.
135            (TermDocMatrix): Sparse matrix is now efficiently built by
136            direct stepwise insertion of row values into it.
137    
138    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
141            due to ongoing problems. For our purposes the latter is as useful
142            as the replaced package.
143    
144    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
147    
148            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
149    
150    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
153            languages with available stopwords.
154    
155    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * inst/doc/tm.Rnw: Minor corrections in the vignette.
158    
159  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161          * DESCRIPTION: Update to version 0.2, since a lot of new features          * DESCRIPTION: Update to version 0.2, since a lot of new features

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