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trunk/R/tm/ChangeLog revision 46, Wed Jul 5 18:08:41 2006 UTC trunk/tm/ChangeLog revision 727, Sun Apr 8 19:36:41 2007 UTC
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1    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/: Fixed some bugs related to database support.
4    
5    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * man/: Added a lot of examples to the manuals.
8    
9    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
10    
11            * man/: Updated parts of the documentation.
12    
13            * R/textdoccol.R (asPlain): Added conversion from newsgroup
14            documents to plain text documents.
15    
16    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/textdoccol.R: Finished experimental database support. Not yet
19            intensively tested.
20    
21            * R/source.R: Now each source has a default reader.
22    
23            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
24            class anymore.
25    
26            * R/plaintextdoc.R: Custom show method for plain text documents.
27    
28            * R/aobjects.R: Added a class for structured text documents.
29    
30            * R/reader.R: Replaced remaining \code{parser} occurrences with
31            \code{reader}.
32    
33            * R/textdoccol.R (summary): Indent tags.
34    
35            * R/textdoccol.R (removePunctuation): Transform method to remove
36            punctuation marks.
37    
38    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
41            using prescindMeta().
42    
43    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * R/textdoccol.R: Improved database support.
46    
47    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
50    
51            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
52            language code.
53    
54            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
55            into parserControl argument.
56    
57            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
58    
59    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
60    
61            * Work/tmDataSetup.R: The datasets acq and crude can now be
62            created on the fly.
63    
64            * R/stopwords.R: Introduced a function returning the stopwords for
65            a given language (English, German and French at the moment)
66    
67            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
68            otherwise falls back to Snowball package.
69    
70    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * man/dissimilarity-methods.Rd: Make clear that any method offered
73            by "dists" from package "cba" can be used.
74    
75    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
78            to Kurt's latex suggestion. Removed points and underscores in
79            variable names for consistent naming.
80    
81            * DESCRIPTION: Update to version 0.1-2.
82    
83            * man/TextRepository.Rd: Fixed bug in documentation.
84    
85    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
86    
87            * DESCRIPTION: Update to version 0.1-1.
88    
89    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
92            wordStem.
93    
94    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
95    
96            * R/: Changes due to Kurt's review.
97    
98    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/: Implemented improvements based upon comments by David
101            Meyer.
102    
103    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * inst/doc/: Rewrote vignette.
106    
107            * man/: Improved documentation.
108    
109    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * man/: Updated documentation.
112    
113            * DESCRIPTION: Changed package name to "tm". Updated version to
114            0.1 for first CRAN release.
115    
116            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
117            list archive example.
118    
119            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
120            archive example.
121    
122            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
123            from (several mails per box) mbox format to (single mail per file)
124            eml format.
125    
126    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * data/crude.rda: Rebuilt.
129    
130            * data/acq.rda: Rebuilt.
131    
132            * R/reader.R: Factored out reader and parser methods from
133            textdoccol.R.
134    
135            * R/source.R: Factored out Source methods from aobjects.R and
136            textdoccol.R.
137            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
138            feeds.
139    
140            * R/textdoccol.R (DirSource): Added support for recursive
141            traversal of directories.
142    
143    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * R/textdoccol.R ([[): Loads the document corpus automatically
146            into memory upon access.
147            (tm_transform, tm_filter): Removed several checks whether the
148            document is already loaded ([[ ensures this now).
149            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
150            mailing list archive.
151    
152    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * R/aobjects.R (TextDocument): Is now a virtual class.
155            (Source): Is now a virtual class.
156    
157    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
158    
159            * R/textdoccol.R (c): Support for an arbitrary number of document
160            collections.
161    
162    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
165            append_meta and remove_meta.
166    
167            * R/textdoccol.R: Removed modify_metadata method.
168    
169            * R/textrepo.R: Removed modify_metadata method.
170    
171            * R/textdoccol.R (remove_meta): Supports removal of document
172            collection metadata and document (= in data frame) metadata.
173    
174    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
177    
178            * data/crude.rda: Rebuilt.
179    
180            * data/acq.rda: Rebuilt.
181    
182            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
183    
184            * R/textdoccol.R ([): Bug fix for subsetting a document
185            collection's data frame.
186    
187    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
190            to s_filter.
191    
192            * R/textdoccol.R: Local text documents' metadata can now be copied
193            to a document collection's data frame with prescind_meta.
194    
195    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
196    
197            * R/: Text documents' slot metadata is now accessible in s_filter.
198    
199            * R/: Rewrote s_filter function (has still some restrictions).
200    
201    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
202    
203            * R/: Various fixes in handling metadata.
204    
205            * R/: Added update mechanism for text document collections.
206    
207    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/: Merging of document collections now creates a binary tree
210            for reconstructing merged document collections.
211    
212            * R/: Redesign of metadata for document collections.
213    
214    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
215    
216            * R/: Messages now use \code{ngettext}.
217    
218    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * R/: Added functions for modifying and removing metadata.
221    
222    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * man/: Updated some documentation.
225    
226            * R/: Corrected some connection issues.
227    
228            * inst/doc: Worked on the vignette.
229    
230    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * inst/: Added texts and started vignette.
233    
234            * R/: Final changes based upon David's comments.
235    
236    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * NAMESPACE: Corrected exports (generic methods need exportMethods
239            directives!).
240    
241    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
242    
243            * R/: Modified the TextDocCol constructur and various parsers. It
244            is now modular and supports various file formats via plugins (see
245            the new "Source" class).
246    
247    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * man/: Revised documentation after previous code changes.
250    
251    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * R/: Remaining changes as discussed with David.
254    
255    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * R/: Some changes as suggested by David. The rest will follow
258            within the next days.
259    
260    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * man/: Finished documentation.
263    
264    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * man/: Wrote some documentation.
267    
268    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * R/: Further syntactic sugar in form of additional assignment and
271            accessor methods.
272    
273    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * R/: Syntactic sugar in form of "length", "show" and "summary"
276            operators.
277    
278    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
279    
280            * R/: Diverse updates. Mainly on default operators ("[" or "c")
281            and dissimilarities.
282    
283    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/: Added similarity functions.
286    
287            * data/: Added english stopwords.
288    
289    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
290    
291            * data/: Examples compiled for new features
292    
293            * R/: Changes due to new structure.
294    
295            * NAMESPACE: Corrected namespace to reflect new structure.
296    
297            * R/termdocmatrix.R: Adapted for new naming scheme.
298    
299    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/textdoccol.R: Adapted code for new class structure. Wrote
302            several transform and filter functions operating on text document
303            collections (alias text document databases).
304    
305            * R/aobjects.R: Adapted class structure with inheritance,
306            repositories and additional meta data. Loading files on demand is
307            now possible.
308    
309    2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
310    
311            * R/: Some cosmetic cleanups.
312    
313            * inst/: Removed vignette on clustering. That and much more is now
314            described in the JSS paper on text mining. Based upon that
315            article an elaborated vignette will be incorporated in the future.
316    
317  2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319          * R/: Updated generic S4 methods to comply with signature changes          * R/: Updated generic S4 methods to comply with signature changes

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