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revision 719, Sun Mar 18 09:24:47 2007 UTC revision 777, Tue Aug 28 07:19:12 2007 UTC
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1    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
4    
5    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/reader.R (readPDF): Removed manual checks for pdftotext and
8            pdfinfo. The system call gives a warning anyway.
9    
10    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/textdoccol.R (asPlain): Conversion from
13            StructuredTextDocuments to PlainTextDocuments.
14    
15    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
18            for accessing term-document matrices.
19    
20            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
21            are installed.
22    
23    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
26            Christian Buchta.
27    
28    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
31    
32    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
35    
36            * R/reader.R (readPDF): Added PDF reader.
37    
38    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
41    
42            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
43    
44            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
45    
46            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
47    
48    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/distmeasure.R (dissimilarity): Replaced dists call from
51            package cba by new dist call from package proxy.
52    
53    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
56    
57    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/termdocmatrix.R: require() uses the quietly option to suppress
60            loading messages.
61    
62    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/dictionary.R: Added dictionary support.
65    
66    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
69            documents. This simplifies some functions, e.g., asPlain.
70    
71    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * inst/doc/tm.Rnw: Fixed some typos in vignette.
74    
75    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * R/textdoccol.R (replaceWords): Added method to replace a set of
78            words by a single word. Useful for synonyms.
79    
80    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
81    
82            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
83    
84    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
87            vectors. Thanks to Ariel Maguyon for his error report.
88            (removeSparseTerms): New function to remove columns from a
89            term-document matrix exceeding a sparse factor.
90    
91    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
94    
95    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * man/sFilter.Rd: Corrected documentation on statement format (use
98            '==' instead of '=').
99    
100    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/aobjects.R (StructuredTextDocument): Inherits from
103            TextDocument.
104    
105    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
108            on sparse matrices as proposed by Martin Maechler.
109    
110    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
113            \pkg{filehash} version makes them deprecated.
114    
115    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/termdocmatrix.R (textvector): Stemming is now performed before
118            erasing stopwords.
119            (weightMatrix): Adapted to handle sparse matrices.
120            (TermDocMatrix): Sparse matrix is now efficiently built by
121            direct stepwise insertion of row values into it.
122    
123    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
126            due to ongoing problems. For our purposes the latter is as useful
127            as the replaced package.
128    
129    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
132    
133            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
134    
135    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
138            languages with available stopwords.
139    
140    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * inst/doc/tm.Rnw: Minor corrections in the vignette.
143    
144    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * DESCRIPTION: Update to version 0.2, since a lot of new features
147            have been integrated.
148    
149            * inst/stopwords: Updated existing stopwords and added stopwords
150            for various other languages.
151    
152    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * man/: Updated documentation.
155    
156            * Work/testDb.R: Script to test database stuff.
157    
158            * R/: Fixed various database related bugs. Seems to be rather
159            useable now, i.e., consider as alpha status for now.
160    
161    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * R/: Fixed some bugs related to database support.
164    
165    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * man/: Added a lot of examples to the manuals.
168    
169    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * man/: Updated parts of the documentation.
172    
173            * R/textdoccol.R (asPlain): Added conversion from newsgroup
174            documents to plain text documents.
175    
176    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
177    
178            * R/textdoccol.R: Finished experimental database support. Not yet
179            intensively tested.
180    
181            * R/source.R: Now each source has a default reader.
182    
183            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
184            class anymore.
185    
186            * R/plaintextdoc.R: Custom show method for plain text documents.
187    
188            * R/aobjects.R: Added a class for structured text documents.
189    
190            * R/reader.R: Replaced remaining \code{parser} occurrences with
191            \code{reader}.
192    
193            * R/textdoccol.R (summary): Indent tags.
194    
195            * R/textdoccol.R (removePunctuation): Transform method to remove
196            punctuation marks.
197    
198    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
201            using prescindMeta().
202    
203  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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