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trunk/R/textmin/ChangeLog revision 62, Tue Oct 24 10:08:58 2006 UTC trunk/tm/ChangeLog revision 752, Sat May 19 22:39:04 2007 UTC
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1    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
4            vectors. Thanks to Ariel Maguyon for his error report.
5            (removeSparseTerms): New function to remove columns from a
6            term-document matrix exceeding a sparse factor.
7    
8    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
9    
10            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
11    
12    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * man/sFilter.Rd: Corrected documentation on statement format (use
15            '==' instead of '=').
16    
17    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * R/aobjects.R (StructuredTextDocument): Inherits from
20            TextDocument.
21    
22    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
23    
24            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
25            on sparse matrices as proposed by Martin Maechler.
26    
27    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
28    
29            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
30            \pkg{filehash} version makes them deprecated.
31    
32    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/termdocmatrix.R (textvector): Stemming is now performed before
35            erasing stopwords.
36            (weightMatrix): Adapted to handle sparse matrices.
37            (TermDocMatrix): Sparse matrix is now efficiently built by
38            direct stepwise insertion of row values into it.
39    
40    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
43            due to ongoing problems. For our purposes the latter is as useful
44            as the replaced package.
45    
46    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
47    
48            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
49    
50            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
51    
52    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
55            languages with available stopwords.
56    
57    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * inst/doc/tm.Rnw: Minor corrections in the vignette.
60    
61    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * DESCRIPTION: Update to version 0.2, since a lot of new features
64            have been integrated.
65    
66            * inst/stopwords: Updated existing stopwords and added stopwords
67            for various other languages.
68    
69    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
70    
71            * man/: Updated documentation.
72    
73            * Work/testDb.R: Script to test database stuff.
74    
75            * R/: Fixed various database related bugs. Seems to be rather
76            useable now, i.e., consider as alpha status for now.
77    
78    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * R/: Fixed some bugs related to database support.
81    
82    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * man/: Added a lot of examples to the manuals.
85    
86    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * man/: Updated parts of the documentation.
89    
90            * R/textdoccol.R (asPlain): Added conversion from newsgroup
91            documents to plain text documents.
92    
93    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
94    
95            * R/textdoccol.R: Finished experimental database support. Not yet
96            intensively tested.
97    
98            * R/source.R: Now each source has a default reader.
99    
100            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
101            class anymore.
102    
103            * R/plaintextdoc.R: Custom show method for plain text documents.
104    
105            * R/aobjects.R: Added a class for structured text documents.
106    
107            * R/reader.R: Replaced remaining \code{parser} occurrences with
108            \code{reader}.
109    
110            * R/textdoccol.R (summary): Indent tags.
111    
112            * R/textdoccol.R (removePunctuation): Transform method to remove
113            punctuation marks.
114    
115    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
118            using prescindMeta().
119    
120    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/textdoccol.R: Improved database support.
123    
124    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
127    
128            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
129            language code.
130    
131            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
132            into parserControl argument.
133    
134            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
135    
136    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * Work/tmDataSetup.R: The datasets acq and crude can now be
139            created on the fly.
140    
141            * R/stopwords.R: Introduced a function returning the stopwords for
142            a given language (English, German and French at the moment)
143    
144            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
145            otherwise falls back to Snowball package.
146    
147    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * man/dissimilarity-methods.Rd: Make clear that any method offered
150            by "dists" from package "cba" can be used.
151    
152    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
155            to Kurt's latex suggestion. Removed points and underscores in
156            variable names for consistent naming.
157    
158            * DESCRIPTION: Update to version 0.1-2.
159    
160            * man/TextRepository.Rd: Fixed bug in documentation.
161    
162    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * DESCRIPTION: Update to version 0.1-1.
165    
166    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
169            wordStem.
170    
171    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
172    
173            * R/: Changes due to Kurt's review.
174    
175    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/: Implemented improvements based upon comments by David
178            Meyer.
179    
180    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * inst/doc/: Rewrote vignette.
183    
184            * man/: Improved documentation.
185    
186    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
187    
188            * man/: Updated documentation.
189    
190            * DESCRIPTION: Changed package name to "tm". Updated version to
191            0.1 for first CRAN release.
192    
193            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
194            list archive example.
195    
196            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
197            archive example.
198    
199            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
200            from (several mails per box) mbox format to (single mail per file)
201            eml format.
202    
203    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * data/crude.rda: Rebuilt.
206    
207            * data/acq.rda: Rebuilt.
208    
209            * R/reader.R: Factored out reader and parser methods from
210            textdoccol.R.
211    
212            * R/source.R: Factored out Source methods from aobjects.R and
213            textdoccol.R.
214            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
215            feeds.
216    
217            * R/textdoccol.R (DirSource): Added support for recursive
218            traversal of directories.
219    
220    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * R/textdoccol.R ([[): Loads the document corpus automatically
223            into memory upon access.
224            (tm_transform, tm_filter): Removed several checks whether the
225            document is already loaded ([[ ensures this now).
226            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
227            mailing list archive.
228    
229    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
230    
231            * R/aobjects.R (TextDocument): Is now a virtual class.
232            (Source): Is now a virtual class.
233    
234    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * R/textdoccol.R (c): Support for an arbitrary number of document
237            collections.
238    
239    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
240    
241            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
242            append_meta and remove_meta.
243    
244            * R/textdoccol.R: Removed modify_metadata method.
245    
246            * R/textrepo.R: Removed modify_metadata method.
247    
248            * R/textdoccol.R (remove_meta): Supports removal of document
249            collection metadata and document (= in data frame) metadata.
250    
251    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
254    
255            * data/crude.rda: Rebuilt.
256    
257            * data/acq.rda: Rebuilt.
258    
259            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
260    
261            * R/textdoccol.R ([): Bug fix for subsetting a document
262            collection's data frame.
263    
264    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
267            to s_filter.
268    
269            * R/textdoccol.R: Local text documents' metadata can now be copied
270            to a document collection's data frame with prescind_meta.
271    
272    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
273    
274            * R/: Text documents' slot metadata is now accessible in s_filter.
275    
276            * R/: Rewrote s_filter function (has still some restrictions).
277    
278    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
279    
280            * R/: Various fixes in handling metadata.
281    
282            * R/: Added update mechanism for text document collections.
283    
284    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286            * R/: Merging of document collections now creates a binary tree
287            for reconstructing merged document collections.
288    
289            * R/: Redesign of metadata for document collections.
290    
291    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
292    
293            * R/: Messages now use \code{ngettext}.
294    
295    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/: Added functions for modifying and removing metadata.
298    
299    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * man/: Updated some documentation.
302    
303            * R/: Corrected some connection issues.
304    
305            * inst/doc: Worked on the vignette.
306    
307    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
308    
309            * inst/: Added texts and started vignette.
310    
311            * R/: Final changes based upon David's comments.
312    
313    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315            * NAMESPACE: Corrected exports (generic methods need exportMethods
316            directives!).
317    
318    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
319    
320            * R/: Modified the TextDocCol constructur and various parsers. It
321            is now modular and supports various file formats via plugins (see
322            the new "Source" class).
323    
324  2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
325    
326          * man/: Revised documentation after previous code changes.          * man/: Revised documentation after previous code changes.

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