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trunk/R/textmin/ChangeLog revision 72, Mon Nov 20 20:43:34 2006 UTC trunk/tm/ChangeLog revision 749, Tue May 8 17:26:09 2007 UTC
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1    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/aobjects.R (StructuredTextDocument): Inherits from
4            TextDocument.
5    
6    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
9            on sparse matrices as proposed by Martin Maechler.
10    
11    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
14            \pkg{filehash} version makes them deprecated.
15    
16    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/termdocmatrix.R (textvector): Stemming is now performed before
19            erasing stopwords.
20            (weightMatrix): Adapted to handle sparse matrices.
21            (TermDocMatrix): Sparse matrix is now efficiently built by
22            direct stepwise insertion of row values into it.
23    
24    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
27            due to ongoing problems. For our purposes the latter is as useful
28            as the replaced package.
29    
30    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
33    
34            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
35    
36    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
39            languages with available stopwords.
40    
41    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * inst/doc/tm.Rnw: Minor corrections in the vignette.
44    
45    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * DESCRIPTION: Update to version 0.2, since a lot of new features
48            have been integrated.
49    
50            * inst/stopwords: Updated existing stopwords and added stopwords
51            for various other languages.
52    
53    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * man/: Updated documentation.
56    
57            * Work/testDb.R: Script to test database stuff.
58    
59            * R/: Fixed various database related bugs. Seems to be rather
60            useable now, i.e., consider as alpha status for now.
61    
62    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/: Fixed some bugs related to database support.
65    
66    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * man/: Added a lot of examples to the manuals.
69    
70    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * man/: Updated parts of the documentation.
73    
74            * R/textdoccol.R (asPlain): Added conversion from newsgroup
75            documents to plain text documents.
76    
77    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/textdoccol.R: Finished experimental database support. Not yet
80            intensively tested.
81    
82            * R/source.R: Now each source has a default reader.
83    
84            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
85            class anymore.
86    
87            * R/plaintextdoc.R: Custom show method for plain text documents.
88    
89            * R/aobjects.R: Added a class for structured text documents.
90    
91            * R/reader.R: Replaced remaining \code{parser} occurrences with
92            \code{reader}.
93    
94            * R/textdoccol.R (summary): Indent tags.
95    
96            * R/textdoccol.R (removePunctuation): Transform method to remove
97            punctuation marks.
98    
99    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
102            using prescindMeta().
103    
104    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/textdoccol.R: Improved database support.
107    
108    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
111    
112            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
113            language code.
114    
115            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
116            into parserControl argument.
117    
118            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
119    
120    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * Work/tmDataSetup.R: The datasets acq and crude can now be
123            created on the fly.
124    
125            * R/stopwords.R: Introduced a function returning the stopwords for
126            a given language (English, German and French at the moment)
127    
128            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
129            otherwise falls back to Snowball package.
130    
131    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * man/dissimilarity-methods.Rd: Make clear that any method offered
134            by "dists" from package "cba" can be used.
135    
136    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
139            to Kurt's latex suggestion. Removed points and underscores in
140            variable names for consistent naming.
141    
142            * DESCRIPTION: Update to version 0.1-2.
143    
144            * man/TextRepository.Rd: Fixed bug in documentation.
145    
146    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
147    
148            * DESCRIPTION: Update to version 0.1-1.
149    
150    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
153            wordStem.
154    
155    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/: Changes due to Kurt's review.
158    
159    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * R/: Implemented improvements based upon comments by David
162            Meyer.
163    
164    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
165    
166            * inst/doc/: Rewrote vignette.
167    
168            * man/: Improved documentation.
169    
170    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * man/: Updated documentation.
173    
174            * DESCRIPTION: Changed package name to "tm". Updated version to
175            0.1 for first CRAN release.
176    
177            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
178            list archive example.
179    
180            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
181            archive example.
182    
183            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
184            from (several mails per box) mbox format to (single mail per file)
185            eml format.
186    
187    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * data/crude.rda: Rebuilt.
190    
191            * data/acq.rda: Rebuilt.
192    
193            * R/reader.R: Factored out reader and parser methods from
194            textdoccol.R.
195    
196            * R/source.R: Factored out Source methods from aobjects.R and
197            textdoccol.R.
198            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
199            feeds.
200    
201            * R/textdoccol.R (DirSource): Added support for recursive
202            traversal of directories.
203    
204    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206            * R/textdoccol.R ([[): Loads the document corpus automatically
207            into memory upon access.
208            (tm_transform, tm_filter): Removed several checks whether the
209            document is already loaded ([[ ensures this now).
210            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
211            mailing list archive.
212    
213    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * R/aobjects.R (TextDocument): Is now a virtual class.
216            (Source): Is now a virtual class.
217    
218    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * R/textdoccol.R (c): Support for an arbitrary number of document
221            collections.
222    
223    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
224    
225            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
226            append_meta and remove_meta.
227    
228            * R/textdoccol.R: Removed modify_metadata method.
229    
230            * R/textrepo.R: Removed modify_metadata method.
231    
232            * R/textdoccol.R (remove_meta): Supports removal of document
233            collection metadata and document (= in data frame) metadata.
234    
235    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
238    
239            * data/crude.rda: Rebuilt.
240    
241            * data/acq.rda: Rebuilt.
242    
243            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
244    
245            * R/textdoccol.R ([): Bug fix for subsetting a document
246            collection's data frame.
247    
248    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
249    
250            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
251            to s_filter.
252    
253            * R/textdoccol.R: Local text documents' metadata can now be copied
254            to a document collection's data frame with prescind_meta.
255    
256    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
257    
258            * R/: Text documents' slot metadata is now accessible in s_filter.
259    
260            * R/: Rewrote s_filter function (has still some restrictions).
261    
262  2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
263    
264          * R/: Various fixes in handling metadata.          * R/: Various fixes in handling metadata.

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