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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC trunk/tm/ChangeLog revision 748, Fri May 4 18:52:42 2007 UTC
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1    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
4            on sparse matrices as proposed by Martin Maechler.
5    
6    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
9            \pkg{filehash} version makes them deprecated.
10    
11    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/termdocmatrix.R (textvector): Stemming is now performed before
14            erasing stopwords.
15            (weightMatrix): Adapted to handle sparse matrices.
16            (TermDocMatrix): Sparse matrix is now efficiently built by
17            direct stepwise insertion of row values into it.
18    
19    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
22            due to ongoing problems. For our purposes the latter is as useful
23            as the replaced package.
24    
25    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
28    
29            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
30    
31    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
34            languages with available stopwords.
35    
36    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * inst/doc/tm.Rnw: Minor corrections in the vignette.
39    
40    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * DESCRIPTION: Update to version 0.2, since a lot of new features
43            have been integrated.
44    
45            * inst/stopwords: Updated existing stopwords and added stopwords
46            for various other languages.
47    
48    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * man/: Updated documentation.
51    
52            * Work/testDb.R: Script to test database stuff.
53    
54            * R/: Fixed various database related bugs. Seems to be rather
55            useable now, i.e., consider as alpha status for now.
56    
57    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/: Fixed some bugs related to database support.
60    
61    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * man/: Added a lot of examples to the manuals.
64    
65    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * man/: Updated parts of the documentation.
68    
69            * R/textdoccol.R (asPlain): Added conversion from newsgroup
70            documents to plain text documents.
71    
72    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/textdoccol.R: Finished experimental database support. Not yet
75            intensively tested.
76    
77            * R/source.R: Now each source has a default reader.
78    
79            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
80            class anymore.
81    
82            * R/plaintextdoc.R: Custom show method for plain text documents.
83    
84            * R/aobjects.R: Added a class for structured text documents.
85    
86            * R/reader.R: Replaced remaining \code{parser} occurrences with
87            \code{reader}.
88    
89            * R/textdoccol.R (summary): Indent tags.
90    
91            * R/textdoccol.R (removePunctuation): Transform method to remove
92            punctuation marks.
93    
94    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
95    
96            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
97            using prescindMeta().
98    
99    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/textdoccol.R: Improved database support.
102    
103    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
106    
107            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
108            language code.
109    
110            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
111            into parserControl argument.
112    
113            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
114    
115    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * Work/tmDataSetup.R: The datasets acq and crude can now be
118            created on the fly.
119    
120            * R/stopwords.R: Introduced a function returning the stopwords for
121            a given language (English, German and French at the moment)
122    
123            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
124            otherwise falls back to Snowball package.
125    
126    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * man/dissimilarity-methods.Rd: Make clear that any method offered
129            by "dists" from package "cba" can be used.
130    
131    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
134            to Kurt's latex suggestion. Removed points and underscores in
135            variable names for consistent naming.
136    
137            * DESCRIPTION: Update to version 0.1-2.
138    
139            * man/TextRepository.Rd: Fixed bug in documentation.
140    
141    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * DESCRIPTION: Update to version 0.1-1.
144    
145    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
148            wordStem.
149    
150    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/: Changes due to Kurt's review.
153    
154    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * R/: Implemented improvements based upon comments by David
157            Meyer.
158    
159    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * inst/doc/: Rewrote vignette.
162    
163            * man/: Improved documentation.
164    
165    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * man/: Updated documentation.
168    
169            * DESCRIPTION: Changed package name to "tm". Updated version to
170            0.1 for first CRAN release.
171    
172            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
173            list archive example.
174    
175            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
176            archive example.
177    
178            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
179            from (several mails per box) mbox format to (single mail per file)
180            eml format.
181    
182    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * data/crude.rda: Rebuilt.
185    
186            * data/acq.rda: Rebuilt.
187    
188            * R/reader.R: Factored out reader and parser methods from
189            textdoccol.R.
190    
191            * R/source.R: Factored out Source methods from aobjects.R and
192            textdoccol.R.
193            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
194            feeds.
195    
196            * R/textdoccol.R (DirSource): Added support for recursive
197            traversal of directories.
198    
199    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * R/textdoccol.R ([[): Loads the document corpus automatically
202            into memory upon access.
203            (tm_transform, tm_filter): Removed several checks whether the
204            document is already loaded ([[ ensures this now).
205            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
206            mailing list archive.
207    
208    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * R/aobjects.R (TextDocument): Is now a virtual class.
211            (Source): Is now a virtual class.
212    
213    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * R/textdoccol.R (c): Support for an arbitrary number of document
216            collections.
217    
218    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
221            append_meta and remove_meta.
222    
223            * R/textdoccol.R: Removed modify_metadata method.
224    
225            * R/textrepo.R: Removed modify_metadata method.
226    
227            * R/textdoccol.R (remove_meta): Supports removal of document
228            collection metadata and document (= in data frame) metadata.
229    
230    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
233    
234            * data/crude.rda: Rebuilt.
235    
236            * data/acq.rda: Rebuilt.
237    
238            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
239    
240            * R/textdoccol.R ([): Bug fix for subsetting a document
241            collection's data frame.
242    
243    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
244    
245            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
246            to s_filter.
247    
248            * R/textdoccol.R: Local text documents' metadata can now be copied
249            to a document collection's data frame with prescind_meta.
250    
251    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * R/: Text documents' slot metadata is now accessible in s_filter.
254    
255            * R/: Rewrote s_filter function (has still some restrictions).
256    
257    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
258    
259            * R/: Various fixes in handling metadata.
260    
261            * R/: Added update mechanism for text document collections.
262    
263    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * R/: Merging of document collections now creates a binary tree
266            for reconstructing merged document collections.
267    
268            * R/: Redesign of metadata for document collections.
269    
270    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * R/: Messages now use \code{ngettext}.
273    
274    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
275    
276            * R/: Added functions for modifying and removing metadata.
277    
278    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
279    
280            * man/: Updated some documentation.
281    
282            * R/: Corrected some connection issues.
283    
284            * inst/doc: Worked on the vignette.
285    
286    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
287    
288            * inst/: Added texts and started vignette.
289    
290            * R/: Final changes based upon David's comments.
291    
292    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
293    
294            * NAMESPACE: Corrected exports (generic methods need exportMethods
295            directives!).
296    
297    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
298    
299            * R/: Modified the TextDocCol constructur and various parsers. It
300            is now modular and supports various file formats via plugins (see
301            the new "Source" class).
302    
303    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
304    
305            * man/: Revised documentation after previous code changes.
306    
307    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
308    
309            * R/: Remaining changes as discussed with David.
310    
311    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
312    
313            * R/: Some changes as suggested by David. The rest will follow
314            within the next days.
315    
316  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
317    
318          * man/: Finished documentation.          * man/: Finished documentation.

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