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trunk/R/textmin/ChangeLog revision 56, Sun Sep 24 14:12:28 2006 UTC trunk/tm/ChangeLog revision 754, Tue May 22 18:11:22 2007 UTC
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1    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
4    
5    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
8            vectors. Thanks to Ariel Maguyon for his error report.
9            (removeSparseTerms): New function to remove columns from a
10            term-document matrix exceeding a sparse factor.
11    
12    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
15    
16    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * man/sFilter.Rd: Corrected documentation on statement format (use
19            '==' instead of '=').
20    
21    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * R/aobjects.R (StructuredTextDocument): Inherits from
24            TextDocument.
25    
26    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
29            on sparse matrices as proposed by Martin Maechler.
30    
31    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
34            \pkg{filehash} version makes them deprecated.
35    
36    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/termdocmatrix.R (textvector): Stemming is now performed before
39            erasing stopwords.
40            (weightMatrix): Adapted to handle sparse matrices.
41            (TermDocMatrix): Sparse matrix is now efficiently built by
42            direct stepwise insertion of row values into it.
43    
44    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
47            due to ongoing problems. For our purposes the latter is as useful
48            as the replaced package.
49    
50    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
51    
52            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
53    
54            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
55    
56    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
59            languages with available stopwords.
60    
61    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * inst/doc/tm.Rnw: Minor corrections in the vignette.
64    
65    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * DESCRIPTION: Update to version 0.2, since a lot of new features
68            have been integrated.
69    
70            * inst/stopwords: Updated existing stopwords and added stopwords
71            for various other languages.
72    
73    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * man/: Updated documentation.
76    
77            * Work/testDb.R: Script to test database stuff.
78    
79            * R/: Fixed various database related bugs. Seems to be rather
80            useable now, i.e., consider as alpha status for now.
81    
82    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/: Fixed some bugs related to database support.
85    
86    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * man/: Added a lot of examples to the manuals.
89    
90    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * man/: Updated parts of the documentation.
93    
94            * R/textdoccol.R (asPlain): Added conversion from newsgroup
95            documents to plain text documents.
96    
97    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
98    
99            * R/textdoccol.R: Finished experimental database support. Not yet
100            intensively tested.
101    
102            * R/source.R: Now each source has a default reader.
103    
104            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
105            class anymore.
106    
107            * R/plaintextdoc.R: Custom show method for plain text documents.
108    
109            * R/aobjects.R: Added a class for structured text documents.
110    
111            * R/reader.R: Replaced remaining \code{parser} occurrences with
112            \code{reader}.
113    
114            * R/textdoccol.R (summary): Indent tags.
115    
116            * R/textdoccol.R (removePunctuation): Transform method to remove
117            punctuation marks.
118    
119    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
122            using prescindMeta().
123    
124    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/textdoccol.R: Improved database support.
127    
128    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
131    
132            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
133            language code.
134    
135            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
136            into parserControl argument.
137    
138            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
139    
140    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * Work/tmDataSetup.R: The datasets acq and crude can now be
143            created on the fly.
144    
145            * R/stopwords.R: Introduced a function returning the stopwords for
146            a given language (English, German and French at the moment)
147    
148            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
149            otherwise falls back to Snowball package.
150    
151    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
152    
153            * man/dissimilarity-methods.Rd: Make clear that any method offered
154            by "dists" from package "cba" can be used.
155    
156    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
157    
158            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
159            to Kurt's latex suggestion. Removed points and underscores in
160            variable names for consistent naming.
161    
162            * DESCRIPTION: Update to version 0.1-2.
163    
164            * man/TextRepository.Rd: Fixed bug in documentation.
165    
166    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * DESCRIPTION: Update to version 0.1-1.
169    
170    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
173            wordStem.
174    
175    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/: Changes due to Kurt's review.
178    
179    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * R/: Implemented improvements based upon comments by David
182            Meyer.
183    
184    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * inst/doc/: Rewrote vignette.
187    
188            * man/: Improved documentation.
189    
190    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * man/: Updated documentation.
193    
194            * DESCRIPTION: Changed package name to "tm". Updated version to
195            0.1 for first CRAN release.
196    
197            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
198            list archive example.
199    
200            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
201            archive example.
202    
203            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
204            from (several mails per box) mbox format to (single mail per file)
205            eml format.
206    
207    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * data/crude.rda: Rebuilt.
210    
211            * data/acq.rda: Rebuilt.
212    
213            * R/reader.R: Factored out reader and parser methods from
214            textdoccol.R.
215    
216            * R/source.R: Factored out Source methods from aobjects.R and
217            textdoccol.R.
218            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
219            feeds.
220    
221            * R/textdoccol.R (DirSource): Added support for recursive
222            traversal of directories.
223    
224    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
225    
226            * R/textdoccol.R ([[): Loads the document corpus automatically
227            into memory upon access.
228            (tm_transform, tm_filter): Removed several checks whether the
229            document is already loaded ([[ ensures this now).
230            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
231            mailing list archive.
232    
233    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
234    
235            * R/aobjects.R (TextDocument): Is now a virtual class.
236            (Source): Is now a virtual class.
237    
238    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
239    
240            * R/textdoccol.R (c): Support for an arbitrary number of document
241            collections.
242    
243    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
244    
245            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
246            append_meta and remove_meta.
247    
248            * R/textdoccol.R: Removed modify_metadata method.
249    
250            * R/textrepo.R: Removed modify_metadata method.
251    
252            * R/textdoccol.R (remove_meta): Supports removal of document
253            collection metadata and document (= in data frame) metadata.
254    
255    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
258    
259            * data/crude.rda: Rebuilt.
260    
261            * data/acq.rda: Rebuilt.
262    
263            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
264    
265            * R/textdoccol.R ([): Bug fix for subsetting a document
266            collection's data frame.
267    
268    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
271            to s_filter.
272    
273            * R/textdoccol.R: Local text documents' metadata can now be copied
274            to a document collection's data frame with prescind_meta.
275    
276    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * R/: Text documents' slot metadata is now accessible in s_filter.
279    
280            * R/: Rewrote s_filter function (has still some restrictions).
281    
282    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
283    
284            * R/: Various fixes in handling metadata.
285    
286            * R/: Added update mechanism for text document collections.
287    
288    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * R/: Merging of document collections now creates a binary tree
291            for reconstructing merged document collections.
292    
293            * R/: Redesign of metadata for document collections.
294    
295    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/: Messages now use \code{ngettext}.
298    
299    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/: Added functions for modifying and removing metadata.
302    
303    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
304    
305            * man/: Updated some documentation.
306    
307            * R/: Corrected some connection issues.
308    
309            * inst/doc: Worked on the vignette.
310    
311    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
312    
313            * inst/: Added texts and started vignette.
314    
315            * R/: Final changes based upon David's comments.
316    
317    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319            * NAMESPACE: Corrected exports (generic methods need exportMethods
320            directives!).
321    
322    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/: Modified the TextDocCol constructur and various parsers. It
325            is now modular and supports various file formats via plugins (see
326            the new "Source" class).
327    
328    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
329    
330            * man/: Revised documentation after previous code changes.
331    
332    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
333    
334            * R/: Remaining changes as discussed with David.
335    
336    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
337    
338            * R/: Some changes as suggested by David. The rest will follow
339            within the next days.
340    
341    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * man/: Finished documentation.
344    
345    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
346    
347            * man/: Wrote some documentation.
348    
349  2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
350    
351          * R/: Further syntactic sugar in form of additional assignment and          * R/: Further syntactic sugar in form of additional assignment and

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