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trunk/R/textmin/ChangeLog revision 72, Mon Nov 20 20:43:34 2006 UTC trunk/tm/ChangeLog revision 777, Tue Aug 28 07:19:12 2007 UTC
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1    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
4    
5    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/reader.R (readPDF): Removed manual checks for pdftotext and
8            pdfinfo. The system call gives a warning anyway.
9    
10    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/textdoccol.R (asPlain): Conversion from
13            StructuredTextDocuments to PlainTextDocuments.
14    
15    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
18            for accessing term-document matrices.
19    
20            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
21            are installed.
22    
23    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
26            Christian Buchta.
27    
28    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
31    
32    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
35    
36            * R/reader.R (readPDF): Added PDF reader.
37    
38    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
41    
42            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
43    
44            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
45    
46            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
47    
48    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/distmeasure.R (dissimilarity): Replaced dists call from
51            package cba by new dist call from package proxy.
52    
53    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
56    
57    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/termdocmatrix.R: require() uses the quietly option to suppress
60            loading messages.
61    
62    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/dictionary.R: Added dictionary support.
65    
66    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
69            documents. This simplifies some functions, e.g., asPlain.
70    
71    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * inst/doc/tm.Rnw: Fixed some typos in vignette.
74    
75    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * R/textdoccol.R (replaceWords): Added method to replace a set of
78            words by a single word. Useful for synonyms.
79    
80    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
81    
82            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
83    
84    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
87            vectors. Thanks to Ariel Maguyon for his error report.
88            (removeSparseTerms): New function to remove columns from a
89            term-document matrix exceeding a sparse factor.
90    
91    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
94    
95    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * man/sFilter.Rd: Corrected documentation on statement format (use
98            '==' instead of '=').
99    
100    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/aobjects.R (StructuredTextDocument): Inherits from
103            TextDocument.
104    
105    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
108            on sparse matrices as proposed by Martin Maechler.
109    
110    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
113            \pkg{filehash} version makes them deprecated.
114    
115    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/termdocmatrix.R (textvector): Stemming is now performed before
118            erasing stopwords.
119            (weightMatrix): Adapted to handle sparse matrices.
120            (TermDocMatrix): Sparse matrix is now efficiently built by
121            direct stepwise insertion of row values into it.
122    
123    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
126            due to ongoing problems. For our purposes the latter is as useful
127            as the replaced package.
128    
129    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
132    
133            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
134    
135    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
138            languages with available stopwords.
139    
140    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * inst/doc/tm.Rnw: Minor corrections in the vignette.
143    
144    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * DESCRIPTION: Update to version 0.2, since a lot of new features
147            have been integrated.
148    
149            * inst/stopwords: Updated existing stopwords and added stopwords
150            for various other languages.
151    
152    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * man/: Updated documentation.
155    
156            * Work/testDb.R: Script to test database stuff.
157    
158            * R/: Fixed various database related bugs. Seems to be rather
159            useable now, i.e., consider as alpha status for now.
160    
161    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * R/: Fixed some bugs related to database support.
164    
165    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * man/: Added a lot of examples to the manuals.
168    
169    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * man/: Updated parts of the documentation.
172    
173            * R/textdoccol.R (asPlain): Added conversion from newsgroup
174            documents to plain text documents.
175    
176    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
177    
178            * R/textdoccol.R: Finished experimental database support. Not yet
179            intensively tested.
180    
181            * R/source.R: Now each source has a default reader.
182    
183            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
184            class anymore.
185    
186            * R/plaintextdoc.R: Custom show method for plain text documents.
187    
188            * R/aobjects.R: Added a class for structured text documents.
189    
190            * R/reader.R: Replaced remaining \code{parser} occurrences with
191            \code{reader}.
192    
193            * R/textdoccol.R (summary): Indent tags.
194    
195            * R/textdoccol.R (removePunctuation): Transform method to remove
196            punctuation marks.
197    
198    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
201            using prescindMeta().
202    
203    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/textdoccol.R: Improved database support.
206    
207    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
210    
211            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
212            language code.
213    
214            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
215            into parserControl argument.
216    
217            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
218    
219    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
220    
221            * Work/tmDataSetup.R: The datasets acq and crude can now be
222            created on the fly.
223    
224            * R/stopwords.R: Introduced a function returning the stopwords for
225            a given language (English, German and French at the moment)
226    
227            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
228            otherwise falls back to Snowball package.
229    
230    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * man/dissimilarity-methods.Rd: Make clear that any method offered
233            by "dists" from package "cba" can be used.
234    
235    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
238            to Kurt's latex suggestion. Removed points and underscores in
239            variable names for consistent naming.
240    
241            * DESCRIPTION: Update to version 0.1-2.
242    
243            * man/TextRepository.Rd: Fixed bug in documentation.
244    
245    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * DESCRIPTION: Update to version 0.1-1.
248    
249    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
252            wordStem.
253    
254    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
255    
256            * R/: Changes due to Kurt's review.
257    
258    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * R/: Implemented improvements based upon comments by David
261            Meyer.
262    
263    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * inst/doc/: Rewrote vignette.
266    
267            * man/: Improved documentation.
268    
269    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * man/: Updated documentation.
272    
273            * DESCRIPTION: Changed package name to "tm". Updated version to
274            0.1 for first CRAN release.
275    
276            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
277            list archive example.
278    
279            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
280            archive example.
281    
282            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
283            from (several mails per box) mbox format to (single mail per file)
284            eml format.
285    
286    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
287    
288            * data/crude.rda: Rebuilt.
289    
290            * data/acq.rda: Rebuilt.
291    
292            * R/reader.R: Factored out reader and parser methods from
293            textdoccol.R.
294    
295            * R/source.R: Factored out Source methods from aobjects.R and
296            textdoccol.R.
297            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
298            feeds.
299    
300            * R/textdoccol.R (DirSource): Added support for recursive
301            traversal of directories.
302    
303    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
304    
305            * R/textdoccol.R ([[): Loads the document corpus automatically
306            into memory upon access.
307            (tm_transform, tm_filter): Removed several checks whether the
308            document is already loaded ([[ ensures this now).
309            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
310            mailing list archive.
311    
312    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
313    
314            * R/aobjects.R (TextDocument): Is now a virtual class.
315            (Source): Is now a virtual class.
316    
317    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319            * R/textdoccol.R (c): Support for an arbitrary number of document
320            collections.
321    
322    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
325            append_meta and remove_meta.
326    
327            * R/textdoccol.R: Removed modify_metadata method.
328    
329            * R/textrepo.R: Removed modify_metadata method.
330    
331            * R/textdoccol.R (remove_meta): Supports removal of document
332            collection metadata and document (= in data frame) metadata.
333    
334    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
335    
336            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
337    
338            * data/crude.rda: Rebuilt.
339    
340            * data/acq.rda: Rebuilt.
341    
342            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
343    
344            * R/textdoccol.R ([): Bug fix for subsetting a document
345            collection's data frame.
346    
347    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
348    
349            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
350            to s_filter.
351    
352            * R/textdoccol.R: Local text documents' metadata can now be copied
353            to a document collection's data frame with prescind_meta.
354    
355    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * R/: Text documents' slot metadata is now accessible in s_filter.
358    
359            * R/: Rewrote s_filter function (has still some restrictions).
360    
361  2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363          * R/: Various fixes in handling metadata.          * R/: Various fixes in handling metadata.

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