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trunk/R/textmin/ChangeLog revision 63, Thu Oct 26 14:59:09 2006 UTC trunk/tm/ChangeLog revision 758, Wed Jun 13 02:25:36 2007 UTC
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1    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/dictionary.R: Added dictionary support.
4    
5    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
8            documents. This simplifies some functions, e.g., asPlain.
9    
10    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * inst/doc/tm.Rnw: Fixed some typos in vignette.
13    
14    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * R/textdoccol.R (replaceWords): Added method to replace a set of
17            words by a single word. Useful for synonyms.
18    
19    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
22    
23    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
26            vectors. Thanks to Ariel Maguyon for his error report.
27            (removeSparseTerms): New function to remove columns from a
28            term-document matrix exceeding a sparse factor.
29    
30    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
33    
34    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * man/sFilter.Rd: Corrected documentation on statement format (use
37            '==' instead of '=').
38    
39    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/aobjects.R (StructuredTextDocument): Inherits from
42            TextDocument.
43    
44    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
47            on sparse matrices as proposed by Martin Maechler.
48    
49    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
52            \pkg{filehash} version makes them deprecated.
53    
54    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * R/termdocmatrix.R (textvector): Stemming is now performed before
57            erasing stopwords.
58            (weightMatrix): Adapted to handle sparse matrices.
59            (TermDocMatrix): Sparse matrix is now efficiently built by
60            direct stepwise insertion of row values into it.
61    
62    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
65            due to ongoing problems. For our purposes the latter is as useful
66            as the replaced package.
67    
68    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
71    
72            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
73    
74    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
77            languages with available stopwords.
78    
79    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * inst/doc/tm.Rnw: Minor corrections in the vignette.
82    
83    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * DESCRIPTION: Update to version 0.2, since a lot of new features
86            have been integrated.
87    
88            * inst/stopwords: Updated existing stopwords and added stopwords
89            for various other languages.
90    
91    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * man/: Updated documentation.
94    
95            * Work/testDb.R: Script to test database stuff.
96    
97            * R/: Fixed various database related bugs. Seems to be rather
98            useable now, i.e., consider as alpha status for now.
99    
100    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/: Fixed some bugs related to database support.
103    
104    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * man/: Added a lot of examples to the manuals.
107    
108    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * man/: Updated parts of the documentation.
111    
112            * R/textdoccol.R (asPlain): Added conversion from newsgroup
113            documents to plain text documents.
114    
115    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/textdoccol.R: Finished experimental database support. Not yet
118            intensively tested.
119    
120            * R/source.R: Now each source has a default reader.
121    
122            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
123            class anymore.
124    
125            * R/plaintextdoc.R: Custom show method for plain text documents.
126    
127            * R/aobjects.R: Added a class for structured text documents.
128    
129            * R/reader.R: Replaced remaining \code{parser} occurrences with
130            \code{reader}.
131    
132            * R/textdoccol.R (summary): Indent tags.
133    
134            * R/textdoccol.R (removePunctuation): Transform method to remove
135            punctuation marks.
136    
137    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
140            using prescindMeta().
141    
142    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
143    
144            * R/textdoccol.R: Improved database support.
145    
146    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
147    
148            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
149    
150            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
151            language code.
152    
153            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
154            into parserControl argument.
155    
156            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
157    
158    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
159    
160            * Work/tmDataSetup.R: The datasets acq and crude can now be
161            created on the fly.
162    
163            * R/stopwords.R: Introduced a function returning the stopwords for
164            a given language (English, German and French at the moment)
165    
166            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
167            otherwise falls back to Snowball package.
168    
169    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * man/dissimilarity-methods.Rd: Make clear that any method offered
172            by "dists" from package "cba" can be used.
173    
174    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
177            to Kurt's latex suggestion. Removed points and underscores in
178            variable names for consistent naming.
179    
180            * DESCRIPTION: Update to version 0.1-2.
181    
182            * man/TextRepository.Rd: Fixed bug in documentation.
183    
184    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * DESCRIPTION: Update to version 0.1-1.
187    
188    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
189    
190            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
191            wordStem.
192    
193    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/: Changes due to Kurt's review.
196    
197    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/: Implemented improvements based upon comments by David
200            Meyer.
201    
202    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * inst/doc/: Rewrote vignette.
205    
206            * man/: Improved documentation.
207    
208    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * man/: Updated documentation.
211    
212            * DESCRIPTION: Changed package name to "tm". Updated version to
213            0.1 for first CRAN release.
214    
215            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
216            list archive example.
217    
218            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
219            archive example.
220    
221            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
222            from (several mails per box) mbox format to (single mail per file)
223            eml format.
224    
225    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
226    
227            * data/crude.rda: Rebuilt.
228    
229            * data/acq.rda: Rebuilt.
230    
231            * R/reader.R: Factored out reader and parser methods from
232            textdoccol.R.
233    
234            * R/source.R: Factored out Source methods from aobjects.R and
235            textdoccol.R.
236            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
237            feeds.
238    
239            * R/textdoccol.R (DirSource): Added support for recursive
240            traversal of directories.
241    
242    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
243    
244            * R/textdoccol.R ([[): Loads the document corpus automatically
245            into memory upon access.
246            (tm_transform, tm_filter): Removed several checks whether the
247            document is already loaded ([[ ensures this now).
248            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
249            mailing list archive.
250    
251    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * R/aobjects.R (TextDocument): Is now a virtual class.
254            (Source): Is now a virtual class.
255    
256    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
257    
258            * R/textdoccol.R (c): Support for an arbitrary number of document
259            collections.
260    
261    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
262    
263            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
264            append_meta and remove_meta.
265    
266            * R/textdoccol.R: Removed modify_metadata method.
267    
268            * R/textrepo.R: Removed modify_metadata method.
269    
270            * R/textdoccol.R (remove_meta): Supports removal of document
271            collection metadata and document (= in data frame) metadata.
272    
273    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
276    
277            * data/crude.rda: Rebuilt.
278    
279            * data/acq.rda: Rebuilt.
280    
281            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
282    
283            * R/textdoccol.R ([): Bug fix for subsetting a document
284            collection's data frame.
285    
286    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
287    
288            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
289            to s_filter.
290    
291            * R/textdoccol.R: Local text documents' metadata can now be copied
292            to a document collection's data frame with prescind_meta.
293    
294    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * R/: Text documents' slot metadata is now accessible in s_filter.
297    
298            * R/: Rewrote s_filter function (has still some restrictions).
299    
300    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/: Various fixes in handling metadata.
303    
304            * R/: Added update mechanism for text document collections.
305    
306    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
307    
308            * R/: Merging of document collections now creates a binary tree
309            for reconstructing merged document collections.
310    
311            * R/: Redesign of metadata for document collections.
312    
313    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315            * R/: Messages now use \code{ngettext}.
316    
317    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319            * R/: Added functions for modifying and removing metadata.
320    
321    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
322    
323            * man/: Updated some documentation.
324    
325            * R/: Corrected some connection issues.
326    
327            * inst/doc: Worked on the vignette.
328    
329    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
330    
331            * inst/: Added texts and started vignette.
332    
333            * R/: Final changes based upon David's comments.
334    
335    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
336    
337            * NAMESPACE: Corrected exports (generic methods need exportMethods
338            directives!).
339    
340  2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
341    
342          * R/: Modified the TextDocCol constructur and various parsers. It          * R/: Modified the TextDocCol constructur and various parsers. It

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