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revision 731, Wed Apr 11 14:01:40 2007 UTC revision 836, Sat Apr 19 17:08:07 2008 UTC
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1    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * inst/CITATION: Updated JSS article information.
4    
5            * R/textdoccol.R (setAs): Added coerce method from list to
6            corpus.
7    
8            * R/meta.R (meta): Improved meta data handling.
9    
10    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
13            Christian Buchta.
14    
15            * inst/CITATION: Added template to include JSS article reference.
16    
17    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * R/textdoccol.R (tmMap): Introduced lazy mapping.
20    
21            * R/source.R: Added VectorSource.
22    
23    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * man/: Language codes should be in ISO 639-1 format.
26    
27            * R/textdoccol.R (asPlain): Preserve local meta data.
28    
29    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/textdoccol.R (writeCorpus): Function for writing a corpus
32            containing plain text documents to disk.
33    
34    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
37            always set correctly.
38    
39            * R/textdoccol.R: Set load = TRUE as default for load on demand
40            since in most cases this is the wanted behaviour.
41    
42    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
43    
44            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
45    
46            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
47    
48    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/meta.R (meta): New function for consistent access to meta data
51            of document collections, repositories, and texts.
52    
53    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/: Better support for encodings.
56    
57    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
60            selection when no reader argument is given.
61    
62    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/source.R (CSVSource): Now uses read.csv instead of scan
65            internally.
66    
67    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/reader.R (getReaders): Returns available reader functions.
70    
71            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
72            as default.
73    
74    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/stopwords.R (stopwords): Shortened code, removed codetools
77            variable warnings.
78    
79            * man/: Documentation for showMeta, added an example for tmMap.
80    
81            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
82            some minor typos fixed.
83    
84    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/aobjects.R (showMeta): Added method for pretty printing a
87            text document's meta data.
88    
89    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/textdoccol.R (TextDocCol): Better handling of empty
92            arguments.
93    
94            * NAMESPACE: Exported readDOC.
95    
96            * man/completeStems.Rd: Added an example.
97    
98    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/stopwords.R (stopwords): Look up .dat files at every
101            call. Allows users to modify stopword .dat files interactively.
102    
103    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * R/termdocmatrix.R (termFreq): Correct processing of empty
106            documents.
107    
108    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * man/: Updated documentation.
111    
112    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * R/complete.R (completeStems): Completes (heuristically) word
115            stems.
116    
117            * R/termdocmatrix.R (TermDocMatrix2): New modular
118            constructor.
119    
120            * NAMESPACE: Exported termFreq.
121    
122    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/reader.R (readDOC): Added MS Word reader (using antiword).
125    
126    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/weight.R: Weighting functions for TermDocMatrix.
129    
130    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
133            functions for accessing dimension, column, and row names.
134    
135            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
136    
137    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
140    
141    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
144    
145    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * R/reader.R (readPDF): Removed manual checks for pdftotext and
148            pdfinfo. The system call gives a warning anyway.
149    
150    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/textdoccol.R (asPlain): Conversion from
153            StructuredTextDocuments to PlainTextDocuments.
154    
155    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
158            for accessing term-document matrices.
159    
160            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
161            are installed.
162    
163    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
164    
165            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
166            Christian Buchta.
167    
168    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
171    
172    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
175    
176            * R/reader.R (readPDF): Added PDF reader.
177    
178    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
181    
182            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
183    
184            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
185    
186            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
187    
188    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
189    
190            * R/distmeasure.R (dissimilarity): Replaced dists call from
191            package cba by new dist call from package proxy.
192    
193    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
196    
197    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/termdocmatrix.R: require() uses the quietly option to suppress
200            loading messages.
201    
202    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/dictionary.R: Added dictionary support.
205    
206    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
207    
208            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
209            documents. This simplifies some functions, e.g., asPlain.
210    
211    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
212    
213            * inst/doc/tm.Rnw: Fixed some typos in vignette.
214    
215    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217            * R/textdoccol.R (replaceWords): Added method to replace a set of
218            words by a single word. Useful for synonyms.
219    
220    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
223    
224    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
225    
226            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
227            vectors. Thanks to Ariel Maguyon for his error report.
228            (removeSparseTerms): New function to remove columns from a
229            term-document matrix exceeding a sparse factor.
230    
231    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
232    
233            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
234    
235    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * man/sFilter.Rd: Corrected documentation on statement format (use
238            '==' instead of '=').
239    
240    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/aobjects.R (StructuredTextDocument): Inherits from
243            TextDocument.
244    
245    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
248            on sparse matrices as proposed by Martin Maechler.
249    
250    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
251    
252            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
253            \pkg{filehash} version makes them deprecated.
254    
255    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * R/termdocmatrix.R (textvector): Stemming is now performed before
258            erasing stopwords.
259            (weightMatrix): Adapted to handle sparse matrices.
260            (TermDocMatrix): Sparse matrix is now efficiently built by
261            direct stepwise insertion of row values into it.
262    
263    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
266            due to ongoing problems. For our purposes the latter is as useful
267            as the replaced package.
268    
269    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
272    
273            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
274    
275    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
276    
277            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
278            languages with available stopwords.
279    
280    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
281    
282            * inst/doc/tm.Rnw: Minor corrections in the vignette.
283    
284  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286          * inst/stopwords: Updated stopwords.          * DESCRIPTION: Update to version 0.2, since a lot of new features
287            have been integrated.
288    
289            * inst/stopwords: Updated existing stopwords and added stopwords
290            for various other languages.
291    
292  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
293    

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