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revision 731, Wed Apr 11 14:01:40 2007 UTC revision 813, Tue Jan 22 18:46:13 2008 UTC
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1    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/meta.R (meta): New function for consistent access to meta data
4            of document collections, repositories, and texts.
5    
6    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/: Better support for encodings.
9    
10    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
13            selection when no reader argument is given.
14    
15    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/source.R (CSVSource): Now uses read.csv instead of scan
18            internally.
19    
20    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/reader.R (getReaders): Returns available reader functions.
23    
24            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
25            as default.
26    
27    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
28    
29            * R/stopwords.R (stopwords): Shortened code, removed codetools
30            variable warnings.
31    
32            * man/: Documentation for showMeta, added an example for tmMap.
33    
34            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
35            some minor typos fixed.
36    
37    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
38    
39            * R/aobjects.R (showMeta): Added method for pretty printing a
40            text document's meta data.
41    
42    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
43    
44            * R/textdoccol.R (TextDocCol): Better handling of empty
45            arguments.
46    
47            * NAMESPACE: Exported readDOC.
48    
49            * man/completeStems.Rd: Added an example.
50    
51    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/stopwords.R (stopwords): Look up .dat files at every
54            call. Allows users to modify stopword .dat files interactively.
55    
56    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * R/termdocmatrix.R (termFreq): Correct processing of empty
59            documents.
60    
61    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * man/: Updated documentation.
64    
65    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * R/complete.R (completeStems): Completes (heuristically) word
68            stems.
69    
70            * R/termdocmatrix.R (TermDocMatrix2): New modular
71            constructor.
72    
73            * NAMESPACE: Exported termFreq.
74    
75    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * R/reader.R (readDOC): Added MS Word reader (using antiword).
78    
79    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/weight.R: Weighting functions for TermDocMatrix.
82    
83    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
86            functions for accessing dimension, column, and row names.
87    
88            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
89    
90    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
93    
94    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
95    
96            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
97    
98    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/reader.R (readPDF): Removed manual checks for pdftotext and
101            pdfinfo. The system call gives a warning anyway.
102    
103    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * R/textdoccol.R (asPlain): Conversion from
106            StructuredTextDocuments to PlainTextDocuments.
107    
108    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
111            for accessing term-document matrices.
112    
113            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
114            are installed.
115    
116    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
117    
118            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
119            Christian Buchta.
120    
121    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
124    
125    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
128    
129            * R/reader.R (readPDF): Added PDF reader.
130    
131    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
134    
135            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
136    
137            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
138    
139            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
140    
141    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/distmeasure.R (dissimilarity): Replaced dists call from
144            package cba by new dist call from package proxy.
145    
146    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
147    
148            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
149    
150    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/termdocmatrix.R: require() uses the quietly option to suppress
153            loading messages.
154    
155    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/dictionary.R: Added dictionary support.
158    
159    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
162            documents. This simplifies some functions, e.g., asPlain.
163    
164    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
165    
166            * inst/doc/tm.Rnw: Fixed some typos in vignette.
167    
168    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * R/textdoccol.R (replaceWords): Added method to replace a set of
171            words by a single word. Useful for synonyms.
172    
173    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
176    
177    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
178    
179            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
180            vectors. Thanks to Ariel Maguyon for his error report.
181            (removeSparseTerms): New function to remove columns from a
182            term-document matrix exceeding a sparse factor.
183    
184    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
187    
188    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
189    
190            * man/sFilter.Rd: Corrected documentation on statement format (use
191            '==' instead of '=').
192    
193    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/aobjects.R (StructuredTextDocument): Inherits from
196            TextDocument.
197    
198    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
201            on sparse matrices as proposed by Martin Maechler.
202    
203    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
206            \pkg{filehash} version makes them deprecated.
207    
208    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * R/termdocmatrix.R (textvector): Stemming is now performed before
211            erasing stopwords.
212            (weightMatrix): Adapted to handle sparse matrices.
213            (TermDocMatrix): Sparse matrix is now efficiently built by
214            direct stepwise insertion of row values into it.
215    
216    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
217    
218            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
219            due to ongoing problems. For our purposes the latter is as useful
220            as the replaced package.
221    
222    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
225    
226            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
227    
228    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
231            languages with available stopwords.
232    
233    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
234    
235            * inst/doc/tm.Rnw: Minor corrections in the vignette.
236    
237  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
238    
239          * inst/stopwords: Updated stopwords.          * DESCRIPTION: Update to version 0.2, since a lot of new features
240            have been integrated.
241    
242            * inst/stopwords: Updated existing stopwords and added stopwords
243            for various other languages.
244    
245  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    

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