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revision 719, Sun Mar 18 09:24:47 2007 UTC revision 766, Sat Jul 14 08:46:23 2007 UTC
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1    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/reader.R (readPDF): Added PDF reader.
4    
5    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
8    
9            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
10    
11            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
12    
13            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
14    
15    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/distmeasure.R (dissimilarity): Replaced dists call from
18            package cba by new dist call from package proxy.
19    
20    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
23    
24    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * R/termdocmatrix.R: require() uses the quietly option to suppress
27            loading messages.
28    
29    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/dictionary.R: Added dictionary support.
32    
33    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
34    
35            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
36            documents. This simplifies some functions, e.g., asPlain.
37    
38    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * inst/doc/tm.Rnw: Fixed some typos in vignette.
41    
42    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
43    
44            * R/textdoccol.R (replaceWords): Added method to replace a set of
45            words by a single word. Useful for synonyms.
46    
47    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
50    
51    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
54            vectors. Thanks to Ariel Maguyon for his error report.
55            (removeSparseTerms): New function to remove columns from a
56            term-document matrix exceeding a sparse factor.
57    
58    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
61    
62    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * man/sFilter.Rd: Corrected documentation on statement format (use
65            '==' instead of '=').
66    
67    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/aobjects.R (StructuredTextDocument): Inherits from
70            TextDocument.
71    
72    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
75            on sparse matrices as proposed by Martin Maechler.
76    
77    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
80            \pkg{filehash} version makes them deprecated.
81    
82    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/termdocmatrix.R (textvector): Stemming is now performed before
85            erasing stopwords.
86            (weightMatrix): Adapted to handle sparse matrices.
87            (TermDocMatrix): Sparse matrix is now efficiently built by
88            direct stepwise insertion of row values into it.
89    
90    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
93            due to ongoing problems. For our purposes the latter is as useful
94            as the replaced package.
95    
96    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
99    
100            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
101    
102    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
103    
104            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
105            languages with available stopwords.
106    
107    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
108    
109            * inst/doc/tm.Rnw: Minor corrections in the vignette.
110    
111    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
112    
113            * DESCRIPTION: Update to version 0.2, since a lot of new features
114            have been integrated.
115    
116            * inst/stopwords: Updated existing stopwords and added stopwords
117            for various other languages.
118    
119    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * man/: Updated documentation.
122    
123            * Work/testDb.R: Script to test database stuff.
124    
125            * R/: Fixed various database related bugs. Seems to be rather
126            useable now, i.e., consider as alpha status for now.
127    
128    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * R/: Fixed some bugs related to database support.
131    
132    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
133    
134            * man/: Added a lot of examples to the manuals.
135    
136    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * man/: Updated parts of the documentation.
139    
140            * R/textdoccol.R (asPlain): Added conversion from newsgroup
141            documents to plain text documents.
142    
143    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * R/textdoccol.R: Finished experimental database support. Not yet
146            intensively tested.
147    
148            * R/source.R: Now each source has a default reader.
149    
150            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
151            class anymore.
152    
153            * R/plaintextdoc.R: Custom show method for plain text documents.
154    
155            * R/aobjects.R: Added a class for structured text documents.
156    
157            * R/reader.R: Replaced remaining \code{parser} occurrences with
158            \code{reader}.
159    
160            * R/textdoccol.R (summary): Indent tags.
161    
162            * R/textdoccol.R (removePunctuation): Transform method to remove
163            punctuation marks.
164    
165    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
168            using prescindMeta().
169    
170  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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