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trunk/R/textmin/ChangeLog revision 56, Sun Sep 24 14:12:28 2006 UTC trunk/tm/ChangeLog revision 757, Thu Jun 7 17:41:56 2007 UTC
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1    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
4            documents. This simplifies some functions, e.g., asPlain.
5    
6    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * inst/doc/tm.Rnw: Fixed some typos in vignette.
9    
10    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/textdoccol.R (replaceWords): Added method to replace a set of
13            words by a single word. Useful for synonyms.
14    
15    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
18    
19    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
22            vectors. Thanks to Ariel Maguyon for his error report.
23            (removeSparseTerms): New function to remove columns from a
24            term-document matrix exceeding a sparse factor.
25    
26    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
29    
30    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * man/sFilter.Rd: Corrected documentation on statement format (use
33            '==' instead of '=').
34    
35    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/aobjects.R (StructuredTextDocument): Inherits from
38            TextDocument.
39    
40    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
43            on sparse matrices as proposed by Martin Maechler.
44    
45    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
48            \pkg{filehash} version makes them deprecated.
49    
50    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
51    
52            * R/termdocmatrix.R (textvector): Stemming is now performed before
53            erasing stopwords.
54            (weightMatrix): Adapted to handle sparse matrices.
55            (TermDocMatrix): Sparse matrix is now efficiently built by
56            direct stepwise insertion of row values into it.
57    
58    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
61            due to ongoing problems. For our purposes the latter is as useful
62            as the replaced package.
63    
64    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
67    
68            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
69    
70    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
73            languages with available stopwords.
74    
75    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * inst/doc/tm.Rnw: Minor corrections in the vignette.
78    
79    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * DESCRIPTION: Update to version 0.2, since a lot of new features
82            have been integrated.
83    
84            * inst/stopwords: Updated existing stopwords and added stopwords
85            for various other languages.
86    
87    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
88    
89            * man/: Updated documentation.
90    
91            * Work/testDb.R: Script to test database stuff.
92    
93            * R/: Fixed various database related bugs. Seems to be rather
94            useable now, i.e., consider as alpha status for now.
95    
96    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/: Fixed some bugs related to database support.
99    
100    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * man/: Added a lot of examples to the manuals.
103    
104    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * man/: Updated parts of the documentation.
107    
108            * R/textdoccol.R (asPlain): Added conversion from newsgroup
109            documents to plain text documents.
110    
111    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
112    
113            * R/textdoccol.R: Finished experimental database support. Not yet
114            intensively tested.
115    
116            * R/source.R: Now each source has a default reader.
117    
118            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
119            class anymore.
120    
121            * R/plaintextdoc.R: Custom show method for plain text documents.
122    
123            * R/aobjects.R: Added a class for structured text documents.
124    
125            * R/reader.R: Replaced remaining \code{parser} occurrences with
126            \code{reader}.
127    
128            * R/textdoccol.R (summary): Indent tags.
129    
130            * R/textdoccol.R (removePunctuation): Transform method to remove
131            punctuation marks.
132    
133    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
136            using prescindMeta().
137    
138    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * R/textdoccol.R: Improved database support.
141    
142    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
143    
144            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
145    
146            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
147            language code.
148    
149            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
150            into parserControl argument.
151    
152            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
153    
154    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * Work/tmDataSetup.R: The datasets acq and crude can now be
157            created on the fly.
158    
159            * R/stopwords.R: Introduced a function returning the stopwords for
160            a given language (English, German and French at the moment)
161    
162            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
163            otherwise falls back to Snowball package.
164    
165    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * man/dissimilarity-methods.Rd: Make clear that any method offered
168            by "dists" from package "cba" can be used.
169    
170    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
173            to Kurt's latex suggestion. Removed points and underscores in
174            variable names for consistent naming.
175    
176            * DESCRIPTION: Update to version 0.1-2.
177    
178            * man/TextRepository.Rd: Fixed bug in documentation.
179    
180    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * DESCRIPTION: Update to version 0.1-1.
183    
184    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
187            wordStem.
188    
189    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/: Changes due to Kurt's review.
192    
193    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/: Implemented improvements based upon comments by David
196            Meyer.
197    
198    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * inst/doc/: Rewrote vignette.
201    
202            * man/: Improved documentation.
203    
204    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206            * man/: Updated documentation.
207    
208            * DESCRIPTION: Changed package name to "tm". Updated version to
209            0.1 for first CRAN release.
210    
211            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
212            list archive example.
213    
214            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
215            archive example.
216    
217            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
218            from (several mails per box) mbox format to (single mail per file)
219            eml format.
220    
221    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * data/crude.rda: Rebuilt.
224    
225            * data/acq.rda: Rebuilt.
226    
227            * R/reader.R: Factored out reader and parser methods from
228            textdoccol.R.
229    
230            * R/source.R: Factored out Source methods from aobjects.R and
231            textdoccol.R.
232            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
233            feeds.
234    
235            * R/textdoccol.R (DirSource): Added support for recursive
236            traversal of directories.
237    
238    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
239    
240            * R/textdoccol.R ([[): Loads the document corpus automatically
241            into memory upon access.
242            (tm_transform, tm_filter): Removed several checks whether the
243            document is already loaded ([[ ensures this now).
244            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
245            mailing list archive.
246    
247    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * R/aobjects.R (TextDocument): Is now a virtual class.
250            (Source): Is now a virtual class.
251    
252    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
253    
254            * R/textdoccol.R (c): Support for an arbitrary number of document
255            collections.
256    
257    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
258    
259            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
260            append_meta and remove_meta.
261    
262            * R/textdoccol.R: Removed modify_metadata method.
263    
264            * R/textrepo.R: Removed modify_metadata method.
265    
266            * R/textdoccol.R (remove_meta): Supports removal of document
267            collection metadata and document (= in data frame) metadata.
268    
269    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
272    
273            * data/crude.rda: Rebuilt.
274    
275            * data/acq.rda: Rebuilt.
276    
277            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
278    
279            * R/textdoccol.R ([): Bug fix for subsetting a document
280            collection's data frame.
281    
282    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
283    
284            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
285            to s_filter.
286    
287            * R/textdoccol.R: Local text documents' metadata can now be copied
288            to a document collection's data frame with prescind_meta.
289    
290    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
291    
292            * R/: Text documents' slot metadata is now accessible in s_filter.
293    
294            * R/: Rewrote s_filter function (has still some restrictions).
295    
296    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
297    
298            * R/: Various fixes in handling metadata.
299    
300            * R/: Added update mechanism for text document collections.
301    
302    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
303    
304            * R/: Merging of document collections now creates a binary tree
305            for reconstructing merged document collections.
306    
307            * R/: Redesign of metadata for document collections.
308    
309    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
310    
311            * R/: Messages now use \code{ngettext}.
312    
313    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315            * R/: Added functions for modifying and removing metadata.
316    
317    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319            * man/: Updated some documentation.
320    
321            * R/: Corrected some connection issues.
322    
323            * inst/doc: Worked on the vignette.
324    
325    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
326    
327            * inst/: Added texts and started vignette.
328    
329            * R/: Final changes based upon David's comments.
330    
331    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
332    
333            * NAMESPACE: Corrected exports (generic methods need exportMethods
334            directives!).
335    
336    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
337    
338            * R/: Modified the TextDocCol constructur and various parsers. It
339            is now modular and supports various file formats via plugins (see
340            the new "Source" class).
341    
342    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
343    
344            * man/: Revised documentation after previous code changes.
345    
346    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * R/: Remaining changes as discussed with David.
349    
350    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/: Some changes as suggested by David. The rest will follow
353            within the next days.
354    
355    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * man/: Finished documentation.
358    
359    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
360    
361            * man/: Wrote some documentation.
362    
363  2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
364    
365          * R/: Further syntactic sugar in form of additional assignment and          * R/: Further syntactic sugar in form of additional assignment and

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