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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC trunk/tm/ChangeLog revision 744, Mon Apr 23 00:35:10 2007 UTC
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1    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (textvector): Stemming is now performed before
4            erasing stopwords.
5            (weightMatrix): Adapted to handle sparse matrices.
6            (TermDocMatrix): Sparse matrix is now efficiently built by
7            direct stepwise insertion of row values into it.
8    
9    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
10    
11            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
12            due to ongoing problems. For our purposes the latter is as useful
13            as the replaced package.
14    
15    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
18    
19            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
20    
21    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
24            languages with available stopwords.
25    
26    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * inst/doc/tm.Rnw: Minor corrections in the vignette.
29    
30    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * DESCRIPTION: Update to version 0.2, since a lot of new features
33            have been integrated.
34    
35            * inst/stopwords: Updated existing stopwords and added stopwords
36            for various other languages.
37    
38    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * man/: Updated documentation.
41    
42            * Work/testDb.R: Script to test database stuff.
43    
44            * R/: Fixed various database related bugs. Seems to be rather
45            useable now, i.e., consider as alpha status for now.
46    
47    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * R/: Fixed some bugs related to database support.
50    
51    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * man/: Added a lot of examples to the manuals.
54    
55    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
56    
57            * man/: Updated parts of the documentation.
58    
59            * R/textdoccol.R (asPlain): Added conversion from newsgroup
60            documents to plain text documents.
61    
62    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/textdoccol.R: Finished experimental database support. Not yet
65            intensively tested.
66    
67            * R/source.R: Now each source has a default reader.
68    
69            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
70            class anymore.
71    
72            * R/plaintextdoc.R: Custom show method for plain text documents.
73    
74            * R/aobjects.R: Added a class for structured text documents.
75    
76            * R/reader.R: Replaced remaining \code{parser} occurrences with
77            \code{reader}.
78    
79            * R/textdoccol.R (summary): Indent tags.
80    
81            * R/textdoccol.R (removePunctuation): Transform method to remove
82            punctuation marks.
83    
84    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
87            using prescindMeta().
88    
89    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/textdoccol.R: Improved database support.
92    
93    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
94    
95            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
96    
97            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
98            language code.
99    
100            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
101            into parserControl argument.
102    
103            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
104    
105    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * Work/tmDataSetup.R: The datasets acq and crude can now be
108            created on the fly.
109    
110            * R/stopwords.R: Introduced a function returning the stopwords for
111            a given language (English, German and French at the moment)
112    
113            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
114            otherwise falls back to Snowball package.
115    
116    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
117    
118            * man/dissimilarity-methods.Rd: Make clear that any method offered
119            by "dists" from package "cba" can be used.
120    
121    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
124            to Kurt's latex suggestion. Removed points and underscores in
125            variable names for consistent naming.
126    
127            * DESCRIPTION: Update to version 0.1-2.
128    
129            * man/TextRepository.Rd: Fixed bug in documentation.
130    
131    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * DESCRIPTION: Update to version 0.1-1.
134    
135    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
138            wordStem.
139    
140    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * R/: Changes due to Kurt's review.
143    
144    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * R/: Implemented improvements based upon comments by David
147            Meyer.
148    
149    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
150    
151            * inst/doc/: Rewrote vignette.
152    
153            * man/: Improved documentation.
154    
155    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * man/: Updated documentation.
158    
159            * DESCRIPTION: Changed package name to "tm". Updated version to
160            0.1 for first CRAN release.
161    
162            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
163            list archive example.
164    
165            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
166            archive example.
167    
168            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
169            from (several mails per box) mbox format to (single mail per file)
170            eml format.
171    
172    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * data/crude.rda: Rebuilt.
175    
176            * data/acq.rda: Rebuilt.
177    
178            * R/reader.R: Factored out reader and parser methods from
179            textdoccol.R.
180    
181            * R/source.R: Factored out Source methods from aobjects.R and
182            textdoccol.R.
183            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
184            feeds.
185    
186            * R/textdoccol.R (DirSource): Added support for recursive
187            traversal of directories.
188    
189    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/textdoccol.R ([[): Loads the document corpus automatically
192            into memory upon access.
193            (tm_transform, tm_filter): Removed several checks whether the
194            document is already loaded ([[ ensures this now).
195            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
196            mailing list archive.
197    
198    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/aobjects.R (TextDocument): Is now a virtual class.
201            (Source): Is now a virtual class.
202    
203    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/textdoccol.R (c): Support for an arbitrary number of document
206            collections.
207    
208    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
211            append_meta and remove_meta.
212    
213            * R/textdoccol.R: Removed modify_metadata method.
214    
215            * R/textrepo.R: Removed modify_metadata method.
216    
217            * R/textdoccol.R (remove_meta): Supports removal of document
218            collection metadata and document (= in data frame) metadata.
219    
220    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
223    
224            * data/crude.rda: Rebuilt.
225    
226            * data/acq.rda: Rebuilt.
227    
228            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
229    
230            * R/textdoccol.R ([): Bug fix for subsetting a document
231            collection's data frame.
232    
233    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
234    
235            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
236            to s_filter.
237    
238            * R/textdoccol.R: Local text documents' metadata can now be copied
239            to a document collection's data frame with prescind_meta.
240    
241    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
242    
243            * R/: Text documents' slot metadata is now accessible in s_filter.
244    
245            * R/: Rewrote s_filter function (has still some restrictions).
246    
247    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * R/: Various fixes in handling metadata.
250    
251            * R/: Added update mechanism for text document collections.
252    
253    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * R/: Merging of document collections now creates a binary tree
256            for reconstructing merged document collections.
257    
258            * R/: Redesign of metadata for document collections.
259    
260    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/: Messages now use \code{ngettext}.
263    
264    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * R/: Added functions for modifying and removing metadata.
267    
268    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * man/: Updated some documentation.
271    
272            * R/: Corrected some connection issues.
273    
274            * inst/doc: Worked on the vignette.
275    
276    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * inst/: Added texts and started vignette.
279    
280            * R/: Final changes based upon David's comments.
281    
282    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
283    
284            * NAMESPACE: Corrected exports (generic methods need exportMethods
285            directives!).
286    
287    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * R/: Modified the TextDocCol constructur and various parsers. It
290            is now modular and supports various file formats via plugins (see
291            the new "Source" class).
292    
293    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295            * man/: Revised documentation after previous code changes.
296    
297    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
298    
299            * R/: Remaining changes as discussed with David.
300    
301    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
302    
303            * R/: Some changes as suggested by David. The rest will follow
304            within the next days.
305    
306  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
307    
308          * man/: Finished documentation.          * man/: Finished documentation.

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