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revision 715, Wed Mar 14 15:16:27 2007 UTC revision 806, Wed Jan 2 10:29:14 2008 UTC
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1    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/reader.R (getReaders): Returns available reader functions.
4    
5            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
6            as default.
7    
8    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
9    
10            * R/stopwords.R (stopwords): Shortened code, removed codetools
11            variable warnings.
12    
13            * man/: Documentation for showMeta, added an example for tmMap.
14    
15            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
16            some minor typos fixed.
17    
18    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
19    
20            * R/aobjects.R (showMeta): Added method for pretty printing a
21            text document's meta data.
22    
23    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/textdoccol.R (TextDocCol): Better handling of empty
26            arguments.
27    
28            * NAMESPACE: Exported readDOC.
29    
30            * man/completeStems.Rd: Added an example.
31    
32    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/stopwords.R (stopwords): Look up .dat files at every
35            call. Allows users to modify stopword .dat files interactively.
36    
37    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
38    
39            * R/termdocmatrix.R (termFreq): Correct processing of empty
40            documents.
41    
42    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
43    
44            * man/: Updated documentation.
45    
46    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
47    
48            * R/complete.R (completeStems): Completes (heuristically) word
49            stems.
50    
51            * R/termdocmatrix.R (TermDocMatrix2): New modular
52            constructor.
53    
54            * NAMESPACE: Exported termFreq.
55    
56    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * R/reader.R (readDOC): Added MS Word reader (using antiword).
59    
60    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * R/weight.R: Weighting functions for TermDocMatrix.
63    
64    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
67            functions for accessing dimension, column, and row names.
68    
69            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
70    
71    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
74    
75    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
78    
79    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/reader.R (readPDF): Removed manual checks for pdftotext and
82            pdfinfo. The system call gives a warning anyway.
83    
84    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/textdoccol.R (asPlain): Conversion from
87            StructuredTextDocuments to PlainTextDocuments.
88    
89    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
92            for accessing term-document matrices.
93    
94            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
95            are installed.
96    
97    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
98    
99            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
100            Christian Buchta.
101    
102    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
103    
104            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
105    
106    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
109    
110            * R/reader.R (readPDF): Added PDF reader.
111    
112    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
115    
116            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
117    
118            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
119    
120            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
121    
122    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/distmeasure.R (dissimilarity): Replaced dists call from
125            package cba by new dist call from package proxy.
126    
127    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
130    
131    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * R/termdocmatrix.R: require() uses the quietly option to suppress
134            loading messages.
135    
136    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * R/dictionary.R: Added dictionary support.
139    
140    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
143            documents. This simplifies some functions, e.g., asPlain.
144    
145    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * inst/doc/tm.Rnw: Fixed some typos in vignette.
148    
149    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
150    
151            * R/textdoccol.R (replaceWords): Added method to replace a set of
152            words by a single word. Useful for synonyms.
153    
154    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
157    
158    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
159    
160            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
161            vectors. Thanks to Ariel Maguyon for his error report.
162            (removeSparseTerms): New function to remove columns from a
163            term-document matrix exceeding a sparse factor.
164    
165    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
168    
169    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * man/sFilter.Rd: Corrected documentation on statement format (use
172            '==' instead of '=').
173    
174    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * R/aobjects.R (StructuredTextDocument): Inherits from
177            TextDocument.
178    
179    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
182            on sparse matrices as proposed by Martin Maechler.
183    
184    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
187            \pkg{filehash} version makes them deprecated.
188    
189    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/termdocmatrix.R (textvector): Stemming is now performed before
192            erasing stopwords.
193            (weightMatrix): Adapted to handle sparse matrices.
194            (TermDocMatrix): Sparse matrix is now efficiently built by
195            direct stepwise insertion of row values into it.
196    
197    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
200            due to ongoing problems. For our purposes the latter is as useful
201            as the replaced package.
202    
203    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
206    
207            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
208    
209    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
210    
211            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
212            languages with available stopwords.
213    
214    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
215    
216            * inst/doc/tm.Rnw: Minor corrections in the vignette.
217    
218    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * DESCRIPTION: Update to version 0.2, since a lot of new features
221            have been integrated.
222    
223            * inst/stopwords: Updated existing stopwords and added stopwords
224            for various other languages.
225    
226    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * man/: Updated documentation.
229    
230            * Work/testDb.R: Script to test database stuff.
231    
232            * R/: Fixed various database related bugs. Seems to be rather
233            useable now, i.e., consider as alpha status for now.
234    
235    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * R/: Fixed some bugs related to database support.
238    
239    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
240    
241            * man/: Added a lot of examples to the manuals.
242    
243    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
244    
245            * man/: Updated parts of the documentation.
246    
247            * R/textdoccol.R (asPlain): Added conversion from newsgroup
248            documents to plain text documents.
249    
250    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
251    
252            * R/textdoccol.R: Finished experimental database support. Not yet
253            intensively tested.
254    
255            * R/source.R: Now each source has a default reader.
256    
257            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
258            class anymore.
259    
260            * R/plaintextdoc.R: Custom show method for plain text documents.
261    
262            * R/aobjects.R: Added a class for structured text documents.
263    
264            * R/reader.R: Replaced remaining \code{parser} occurrences with
265            \code{reader}.
266    
267            * R/textdoccol.R (summary): Indent tags.
268    
269            * R/textdoccol.R (removePunctuation): Transform method to remove
270            punctuation marks.
271    
272    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
273    
274            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
275            using prescindMeta().
276    
277    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
278    
279            * R/textdoccol.R: Improved database support.
280    
281    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
282    
283            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
284    
285            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
286            language code.
287    
288            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
289            into parserControl argument.
290    
291            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
292    
293  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295          * Work/tmDataSetup.R: The datasets acq and crude can now be          * Work/tmDataSetup.R: The datasets acq and crude can now be

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