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trunk/R/textmin/ChangeLog revision 48, Thu Jul 13 13:47:31 2006 UTC trunk/tm/ChangeLog revision 747, Fri Apr 27 18:16:53 2007 UTC
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1    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
4            \pkg{filehash} version makes them deprecated.
5    
6    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R (textvector): Stemming is now performed before
9            erasing stopwords.
10            (weightMatrix): Adapted to handle sparse matrices.
11            (TermDocMatrix): Sparse matrix is now efficiently built by
12            direct stepwise insertion of row values into it.
13    
14    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
17            due to ongoing problems. For our purposes the latter is as useful
18            as the replaced package.
19    
20    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
23    
24            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
25    
26    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
29            languages with available stopwords.
30    
31    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * inst/doc/tm.Rnw: Minor corrections in the vignette.
34    
35    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * DESCRIPTION: Update to version 0.2, since a lot of new features
38            have been integrated.
39    
40            * inst/stopwords: Updated existing stopwords and added stopwords
41            for various other languages.
42    
43    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * man/: Updated documentation.
46    
47            * Work/testDb.R: Script to test database stuff.
48    
49            * R/: Fixed various database related bugs. Seems to be rather
50            useable now, i.e., consider as alpha status for now.
51    
52    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * R/: Fixed some bugs related to database support.
55    
56    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * man/: Added a lot of examples to the manuals.
59    
60    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * man/: Updated parts of the documentation.
63    
64            * R/textdoccol.R (asPlain): Added conversion from newsgroup
65            documents to plain text documents.
66    
67    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/textdoccol.R: Finished experimental database support. Not yet
70            intensively tested.
71    
72            * R/source.R: Now each source has a default reader.
73    
74            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
75            class anymore.
76    
77            * R/plaintextdoc.R: Custom show method for plain text documents.
78    
79            * R/aobjects.R: Added a class for structured text documents.
80    
81            * R/reader.R: Replaced remaining \code{parser} occurrences with
82            \code{reader}.
83    
84            * R/textdoccol.R (summary): Indent tags.
85    
86            * R/textdoccol.R (removePunctuation): Transform method to remove
87            punctuation marks.
88    
89    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
92            using prescindMeta().
93    
94    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
95    
96            * R/textdoccol.R: Improved database support.
97    
98    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
101    
102            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
103            language code.
104    
105            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
106            into parserControl argument.
107    
108            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
109    
110    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * Work/tmDataSetup.R: The datasets acq and crude can now be
113            created on the fly.
114    
115            * R/stopwords.R: Introduced a function returning the stopwords for
116            a given language (English, German and French at the moment)
117    
118            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
119            otherwise falls back to Snowball package.
120    
121    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * man/dissimilarity-methods.Rd: Make clear that any method offered
124            by "dists" from package "cba" can be used.
125    
126    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
129            to Kurt's latex suggestion. Removed points and underscores in
130            variable names for consistent naming.
131    
132            * DESCRIPTION: Update to version 0.1-2.
133    
134            * man/TextRepository.Rd: Fixed bug in documentation.
135    
136    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * DESCRIPTION: Update to version 0.1-1.
139    
140    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
143            wordStem.
144    
145    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * R/: Changes due to Kurt's review.
148    
149    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
150    
151            * R/: Implemented improvements based upon comments by David
152            Meyer.
153    
154    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * inst/doc/: Rewrote vignette.
157    
158            * man/: Improved documentation.
159    
160    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * man/: Updated documentation.
163    
164            * DESCRIPTION: Changed package name to "tm". Updated version to
165            0.1 for first CRAN release.
166    
167            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
168            list archive example.
169    
170            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
171            archive example.
172    
173            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
174            from (several mails per box) mbox format to (single mail per file)
175            eml format.
176    
177    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
178    
179            * data/crude.rda: Rebuilt.
180    
181            * data/acq.rda: Rebuilt.
182    
183            * R/reader.R: Factored out reader and parser methods from
184            textdoccol.R.
185    
186            * R/source.R: Factored out Source methods from aobjects.R and
187            textdoccol.R.
188            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
189            feeds.
190    
191            * R/textdoccol.R (DirSource): Added support for recursive
192            traversal of directories.
193    
194    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * R/textdoccol.R ([[): Loads the document corpus automatically
197            into memory upon access.
198            (tm_transform, tm_filter): Removed several checks whether the
199            document is already loaded ([[ ensures this now).
200            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
201            mailing list archive.
202    
203    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/aobjects.R (TextDocument): Is now a virtual class.
206            (Source): Is now a virtual class.
207    
208    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * R/textdoccol.R (c): Support for an arbitrary number of document
211            collections.
212    
213    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
216            append_meta and remove_meta.
217    
218            * R/textdoccol.R: Removed modify_metadata method.
219    
220            * R/textrepo.R: Removed modify_metadata method.
221    
222            * R/textdoccol.R (remove_meta): Supports removal of document
223            collection metadata and document (= in data frame) metadata.
224    
225    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
226    
227            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
228    
229            * data/crude.rda: Rebuilt.
230    
231            * data/acq.rda: Rebuilt.
232    
233            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
234    
235            * R/textdoccol.R ([): Bug fix for subsetting a document
236            collection's data frame.
237    
238    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
239    
240            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
241            to s_filter.
242    
243            * R/textdoccol.R: Local text documents' metadata can now be copied
244            to a document collection's data frame with prescind_meta.
245    
246    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
247    
248            * R/: Text documents' slot metadata is now accessible in s_filter.
249    
250            * R/: Rewrote s_filter function (has still some restrictions).
251    
252    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
253    
254            * R/: Various fixes in handling metadata.
255    
256            * R/: Added update mechanism for text document collections.
257    
258    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * R/: Merging of document collections now creates a binary tree
261            for reconstructing merged document collections.
262    
263            * R/: Redesign of metadata for document collections.
264    
265    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
266    
267            * R/: Messages now use \code{ngettext}.
268    
269    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * R/: Added functions for modifying and removing metadata.
272    
273    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * man/: Updated some documentation.
276    
277            * R/: Corrected some connection issues.
278    
279            * inst/doc: Worked on the vignette.
280    
281    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
282    
283            * inst/: Added texts and started vignette.
284    
285            * R/: Final changes based upon David's comments.
286    
287    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * NAMESPACE: Corrected exports (generic methods need exportMethods
290            directives!).
291    
292    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
293    
294            * R/: Modified the TextDocCol constructur and various parsers. It
295            is now modular and supports various file formats via plugins (see
296            the new "Source" class).
297    
298    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
299    
300            * man/: Revised documentation after previous code changes.
301    
302    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
303    
304            * R/: Remaining changes as discussed with David.
305    
306    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
307    
308            * R/: Some changes as suggested by David. The rest will follow
309            within the next days.
310    
311    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
312    
313            * man/: Finished documentation.
314    
315    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
316    
317            * man/: Wrote some documentation.
318    
319    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * R/: Further syntactic sugar in form of additional assignment and
322            accessor methods.
323    
324    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
325    
326            * R/: Syntactic sugar in form of "length", "show" and "summary"
327            operators.
328    
329    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
330    
331            * R/: Diverse updates. Mainly on default operators ("[" or "c")
332            and dissimilarities.
333    
334    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
335    
336            * R/: Added similarity functions.
337    
338            * data/: Added english stopwords.
339    
340    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
341    
342            * data/: Examples compiled for new features
343    
344            * R/: Changes due to new structure.
345    
346            * NAMESPACE: Corrected namespace to reflect new structure.
347    
348            * R/termdocmatrix.R: Adapted for new naming scheme.
349    
350    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/textdoccol.R: Adapted code for new class structure. Wrote
353            several transform and filter functions operating on text document
354            collections (alias text document databases).
355    
356            * R/aobjects.R: Adapted class structure with inheritance,
357            repositories and additional meta data. Loading files on demand is
358            now possible.
359    
360  2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
361    
362          * R/: Some cosmetic cleanups.          * R/: Some cosmetic cleanups.

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