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revision 708, Mon Jan 22 10:34:12 2007 UTC revision 810, Mon Jan 21 17:14:06 2008 UTC
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1    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/: Better support for encodings.
4    
5    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
8            selection when no reader argument is given.
9    
10    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/source.R (CSVSource): Now uses read.csv instead of scan
13            internally.
14    
15    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/reader.R (getReaders): Returns available reader functions.
18    
19            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
20            as default.
21    
22    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
23    
24            * R/stopwords.R (stopwords): Shortened code, removed codetools
25            variable warnings.
26    
27            * man/: Documentation for showMeta, added an example for tmMap.
28    
29            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
30            some minor typos fixed.
31    
32    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/aobjects.R (showMeta): Added method for pretty printing a
35            text document's meta data.
36    
37    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
38    
39            * R/textdoccol.R (TextDocCol): Better handling of empty
40            arguments.
41    
42            * NAMESPACE: Exported readDOC.
43    
44            * man/completeStems.Rd: Added an example.
45    
46    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
47    
48            * R/stopwords.R (stopwords): Look up .dat files at every
49            call. Allows users to modify stopword .dat files interactively.
50    
51    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/termdocmatrix.R (termFreq): Correct processing of empty
54            documents.
55    
56    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * man/: Updated documentation.
59    
60    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * R/complete.R (completeStems): Completes (heuristically) word
63            stems.
64    
65            * R/termdocmatrix.R (TermDocMatrix2): New modular
66            constructor.
67    
68            * NAMESPACE: Exported termFreq.
69    
70    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * R/reader.R (readDOC): Added MS Word reader (using antiword).
73    
74    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/weight.R: Weighting functions for TermDocMatrix.
77    
78    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
81            functions for accessing dimension, column, and row names.
82    
83            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
84    
85    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
86    
87            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
88    
89    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
92    
93    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
94    
95            * R/reader.R (readPDF): Removed manual checks for pdftotext and
96            pdfinfo. The system call gives a warning anyway.
97    
98    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/textdoccol.R (asPlain): Conversion from
101            StructuredTextDocuments to PlainTextDocuments.
102    
103    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
106            for accessing term-document matrices.
107    
108            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
109            are installed.
110    
111    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
112    
113            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
114            Christian Buchta.
115    
116    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
117    
118            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
119    
120    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
123    
124            * R/reader.R (readPDF): Added PDF reader.
125    
126    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
129    
130            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
131    
132            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
133    
134            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
135    
136    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * R/distmeasure.R (dissimilarity): Replaced dists call from
139            package cba by new dist call from package proxy.
140    
141    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
144    
145    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * R/termdocmatrix.R: require() uses the quietly option to suppress
148            loading messages.
149    
150    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/dictionary.R: Added dictionary support.
153    
154    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
157            documents. This simplifies some functions, e.g., asPlain.
158    
159    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * inst/doc/tm.Rnw: Fixed some typos in vignette.
162    
163    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
164    
165            * R/textdoccol.R (replaceWords): Added method to replace a set of
166            words by a single word. Useful for synonyms.
167    
168    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
171    
172    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
175            vectors. Thanks to Ariel Maguyon for his error report.
176            (removeSparseTerms): New function to remove columns from a
177            term-document matrix exceeding a sparse factor.
178    
179    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
182    
183    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
184    
185            * man/sFilter.Rd: Corrected documentation on statement format (use
186            '==' instead of '=').
187    
188    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
189    
190            * R/aobjects.R (StructuredTextDocument): Inherits from
191            TextDocument.
192    
193    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
196            on sparse matrices as proposed by Martin Maechler.
197    
198    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
201            \pkg{filehash} version makes them deprecated.
202    
203    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/termdocmatrix.R (textvector): Stemming is now performed before
206            erasing stopwords.
207            (weightMatrix): Adapted to handle sparse matrices.
208            (TermDocMatrix): Sparse matrix is now efficiently built by
209            direct stepwise insertion of row values into it.
210    
211    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
212    
213            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
214            due to ongoing problems. For our purposes the latter is as useful
215            as the replaced package.
216    
217    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
220    
221            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
222    
223    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
224    
225            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
226            languages with available stopwords.
227    
228    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * inst/doc/tm.Rnw: Minor corrections in the vignette.
231    
232    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * DESCRIPTION: Update to version 0.2, since a lot of new features
235            have been integrated.
236    
237            * inst/stopwords: Updated existing stopwords and added stopwords
238            for various other languages.
239    
240    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * man/: Updated documentation.
243    
244            * Work/testDb.R: Script to test database stuff.
245    
246            * R/: Fixed various database related bugs. Seems to be rather
247            useable now, i.e., consider as alpha status for now.
248    
249    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/: Fixed some bugs related to database support.
252    
253    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * man/: Added a lot of examples to the manuals.
256    
257    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
258    
259            * man/: Updated parts of the documentation.
260    
261            * R/textdoccol.R (asPlain): Added conversion from newsgroup
262            documents to plain text documents.
263    
264    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * R/textdoccol.R: Finished experimental database support. Not yet
267            intensively tested.
268    
269            * R/source.R: Now each source has a default reader.
270    
271            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
272            class anymore.
273    
274            * R/plaintextdoc.R: Custom show method for plain text documents.
275    
276            * R/aobjects.R: Added a class for structured text documents.
277    
278            * R/reader.R: Replaced remaining \code{parser} occurrences with
279            \code{reader}.
280    
281            * R/textdoccol.R (summary): Indent tags.
282    
283            * R/textdoccol.R (removePunctuation): Transform method to remove
284            punctuation marks.
285    
286    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
287    
288            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
289            using prescindMeta().
290    
291    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
292    
293            * R/textdoccol.R: Improved database support.
294    
295    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
298    
299            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
300            language code.
301    
302            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
303            into parserControl argument.
304    
305            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
306    
307    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
308    
309            * Work/tmDataSetup.R: The datasets acq and crude can now be
310            created on the fly.
311    
312            * R/stopwords.R: Introduced a function returning the stopwords for
313            a given language (English, German and French at the moment)
314    
315            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
316            otherwise falls back to Snowball package.
317    
318    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
319    
320            * man/dissimilarity-methods.Rd: Make clear that any method offered
321            by "dists" from package "cba" can be used.
322    
323  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
324    
325            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
326            to Kurt's latex suggestion. Removed points and underscores in
327            variable names for consistent naming.
328    
329          * DESCRIPTION: Update to version 0.1-2.          * DESCRIPTION: Update to version 0.1-2.
330    
331          * man/TextRepository.Rd: Fixed bug in documentation.          * man/TextRepository.Rd: Fixed bug in documentation.

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