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trunk/R/textmin/ChangeLog revision 60, Sun Oct 22 17:57:47 2006 UTC trunk/tm/ChangeLog revision 761, Tue Jul 10 14:59:57 2007 UTC
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1    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
4    
5    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/termdocmatrix.R: require() uses the quietly option to suppress
8            loading messages.
9    
10    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/dictionary.R: Added dictionary support.
13    
14    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
17            documents. This simplifies some functions, e.g., asPlain.
18    
19    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * inst/doc/tm.Rnw: Fixed some typos in vignette.
22    
23    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/textdoccol.R (replaceWords): Added method to replace a set of
26            words by a single word. Useful for synonyms.
27    
28    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
31    
32    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
35            vectors. Thanks to Ariel Maguyon for his error report.
36            (removeSparseTerms): New function to remove columns from a
37            term-document matrix exceeding a sparse factor.
38    
39    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
42    
43    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * man/sFilter.Rd: Corrected documentation on statement format (use
46            '==' instead of '=').
47    
48    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/aobjects.R (StructuredTextDocument): Inherits from
51            TextDocument.
52    
53    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
56            on sparse matrices as proposed by Martin Maechler.
57    
58    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
61            \pkg{filehash} version makes them deprecated.
62    
63    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * R/termdocmatrix.R (textvector): Stemming is now performed before
66            erasing stopwords.
67            (weightMatrix): Adapted to handle sparse matrices.
68            (TermDocMatrix): Sparse matrix is now efficiently built by
69            direct stepwise insertion of row values into it.
70    
71    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
74            due to ongoing problems. For our purposes the latter is as useful
75            as the replaced package.
76    
77    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
80    
81            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
82    
83    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
86            languages with available stopwords.
87    
88    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * inst/doc/tm.Rnw: Minor corrections in the vignette.
91    
92    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * DESCRIPTION: Update to version 0.2, since a lot of new features
95            have been integrated.
96    
97            * inst/stopwords: Updated existing stopwords and added stopwords
98            for various other languages.
99    
100    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * man/: Updated documentation.
103    
104            * Work/testDb.R: Script to test database stuff.
105    
106            * R/: Fixed various database related bugs. Seems to be rather
107            useable now, i.e., consider as alpha status for now.
108    
109    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/: Fixed some bugs related to database support.
112    
113    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * man/: Added a lot of examples to the manuals.
116    
117    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
118    
119            * man/: Updated parts of the documentation.
120    
121            * R/textdoccol.R (asPlain): Added conversion from newsgroup
122            documents to plain text documents.
123    
124    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/textdoccol.R: Finished experimental database support. Not yet
127            intensively tested.
128    
129            * R/source.R: Now each source has a default reader.
130    
131            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
132            class anymore.
133    
134            * R/plaintextdoc.R: Custom show method for plain text documents.
135    
136            * R/aobjects.R: Added a class for structured text documents.
137    
138            * R/reader.R: Replaced remaining \code{parser} occurrences with
139            \code{reader}.
140    
141            * R/textdoccol.R (summary): Indent tags.
142    
143            * R/textdoccol.R (removePunctuation): Transform method to remove
144            punctuation marks.
145    
146    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
147    
148            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
149            using prescindMeta().
150    
151    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
152    
153            * R/textdoccol.R: Improved database support.
154    
155    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
158    
159            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
160            language code.
161    
162            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
163            into parserControl argument.
164    
165            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
166    
167    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * Work/tmDataSetup.R: The datasets acq and crude can now be
170            created on the fly.
171    
172            * R/stopwords.R: Introduced a function returning the stopwords for
173            a given language (English, German and French at the moment)
174    
175            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
176            otherwise falls back to Snowball package.
177    
178    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * man/dissimilarity-methods.Rd: Make clear that any method offered
181            by "dists" from package "cba" can be used.
182    
183    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
184    
185            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
186            to Kurt's latex suggestion. Removed points and underscores in
187            variable names for consistent naming.
188    
189            * DESCRIPTION: Update to version 0.1-2.
190    
191            * man/TextRepository.Rd: Fixed bug in documentation.
192    
193    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * DESCRIPTION: Update to version 0.1-1.
196    
197    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
200            wordStem.
201    
202    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/: Changes due to Kurt's review.
205    
206    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
207    
208            * R/: Implemented improvements based upon comments by David
209            Meyer.
210    
211    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
212    
213            * inst/doc/: Rewrote vignette.
214    
215            * man/: Improved documentation.
216    
217    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * man/: Updated documentation.
220    
221            * DESCRIPTION: Changed package name to "tm". Updated version to
222            0.1 for first CRAN release.
223    
224            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
225            list archive example.
226    
227            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
228            archive example.
229    
230            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
231            from (several mails per box) mbox format to (single mail per file)
232            eml format.
233    
234    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * data/crude.rda: Rebuilt.
237    
238            * data/acq.rda: Rebuilt.
239    
240            * R/reader.R: Factored out reader and parser methods from
241            textdoccol.R.
242    
243            * R/source.R: Factored out Source methods from aobjects.R and
244            textdoccol.R.
245            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
246            feeds.
247    
248            * R/textdoccol.R (DirSource): Added support for recursive
249            traversal of directories.
250    
251    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * R/textdoccol.R ([[): Loads the document corpus automatically
254            into memory upon access.
255            (tm_transform, tm_filter): Removed several checks whether the
256            document is already loaded ([[ ensures this now).
257            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
258            mailing list archive.
259    
260    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/aobjects.R (TextDocument): Is now a virtual class.
263            (Source): Is now a virtual class.
264    
265    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
266    
267            * R/textdoccol.R (c): Support for an arbitrary number of document
268            collections.
269    
270    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
273            append_meta and remove_meta.
274    
275            * R/textdoccol.R: Removed modify_metadata method.
276    
277            * R/textrepo.R: Removed modify_metadata method.
278    
279            * R/textdoccol.R (remove_meta): Supports removal of document
280            collection metadata and document (= in data frame) metadata.
281    
282    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
283    
284            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
285    
286            * data/crude.rda: Rebuilt.
287    
288            * data/acq.rda: Rebuilt.
289    
290            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
291    
292            * R/textdoccol.R ([): Bug fix for subsetting a document
293            collection's data frame.
294    
295    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
298            to s_filter.
299    
300            * R/textdoccol.R: Local text documents' metadata can now be copied
301            to a document collection's data frame with prescind_meta.
302    
303    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
304    
305            * R/: Text documents' slot metadata is now accessible in s_filter.
306    
307            * R/: Rewrote s_filter function (has still some restrictions).
308    
309    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
310    
311            * R/: Various fixes in handling metadata.
312    
313            * R/: Added update mechanism for text document collections.
314    
315    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
316    
317            * R/: Merging of document collections now creates a binary tree
318            for reconstructing merged document collections.
319    
320            * R/: Redesign of metadata for document collections.
321    
322    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/: Messages now use \code{ngettext}.
325    
326    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * R/: Added functions for modifying and removing metadata.
329    
330    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
331    
332            * man/: Updated some documentation.
333    
334            * R/: Corrected some connection issues.
335    
336            * inst/doc: Worked on the vignette.
337    
338    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * inst/: Added texts and started vignette.
341    
342            * R/: Final changes based upon David's comments.
343    
344    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
345    
346            * NAMESPACE: Corrected exports (generic methods need exportMethods
347            directives!).
348    
349    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
350    
351            * R/: Modified the TextDocCol constructur and various parsers. It
352            is now modular and supports various file formats via plugins (see
353            the new "Source" class).
354    
355    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * man/: Revised documentation after previous code changes.
358    
359    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
360    
361            * R/: Remaining changes as discussed with David.
362    
363  2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
364    
365          * R/: Some changes as suggested by David. The rest will follow          * R/: Some changes as suggested by David. The rest will follow

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