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trunk/R/textmin/ChangeLog revision 62, Tue Oct 24 10:08:58 2006 UTC trunk/tm/ChangeLog revision 773, Sat Jul 21 12:05:08 2007 UTC
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1    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
4            are installed.
5    
6    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
9            Christian Buchta.
10    
11    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
14    
15    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
18    
19            * R/reader.R (readPDF): Added PDF reader.
20    
21    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
24    
25            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
26    
27            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
28    
29            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
30    
31    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/distmeasure.R (dissimilarity): Replaced dists call from
34            package cba by new dist call from package proxy.
35    
36    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
39    
40    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/termdocmatrix.R: require() uses the quietly option to suppress
43            loading messages.
44    
45    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/dictionary.R: Added dictionary support.
48    
49    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
52            documents. This simplifies some functions, e.g., asPlain.
53    
54    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * inst/doc/tm.Rnw: Fixed some typos in vignette.
57    
58    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/textdoccol.R (replaceWords): Added method to replace a set of
61            words by a single word. Useful for synonyms.
62    
63    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
66    
67    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
70            vectors. Thanks to Ariel Maguyon for his error report.
71            (removeSparseTerms): New function to remove columns from a
72            term-document matrix exceeding a sparse factor.
73    
74    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
77    
78    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * man/sFilter.Rd: Corrected documentation on statement format (use
81            '==' instead of '=').
82    
83    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * R/aobjects.R (StructuredTextDocument): Inherits from
86            TextDocument.
87    
88    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
91            on sparse matrices as proposed by Martin Maechler.
92    
93    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
94    
95            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
96            \pkg{filehash} version makes them deprecated.
97    
98    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/termdocmatrix.R (textvector): Stemming is now performed before
101            erasing stopwords.
102            (weightMatrix): Adapted to handle sparse matrices.
103            (TermDocMatrix): Sparse matrix is now efficiently built by
104            direct stepwise insertion of row values into it.
105    
106    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
109            due to ongoing problems. For our purposes the latter is as useful
110            as the replaced package.
111    
112    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
115    
116            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
117    
118    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
121            languages with available stopwords.
122    
123    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * inst/doc/tm.Rnw: Minor corrections in the vignette.
126    
127    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * DESCRIPTION: Update to version 0.2, since a lot of new features
130            have been integrated.
131    
132            * inst/stopwords: Updated existing stopwords and added stopwords
133            for various other languages.
134    
135    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * man/: Updated documentation.
138    
139            * Work/testDb.R: Script to test database stuff.
140    
141            * R/: Fixed various database related bugs. Seems to be rather
142            useable now, i.e., consider as alpha status for now.
143    
144    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * R/: Fixed some bugs related to database support.
147    
148    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * man/: Added a lot of examples to the manuals.
151    
152    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * man/: Updated parts of the documentation.
155    
156            * R/textdoccol.R (asPlain): Added conversion from newsgroup
157            documents to plain text documents.
158    
159    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * R/textdoccol.R: Finished experimental database support. Not yet
162            intensively tested.
163    
164            * R/source.R: Now each source has a default reader.
165    
166            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
167            class anymore.
168    
169            * R/plaintextdoc.R: Custom show method for plain text documents.
170    
171            * R/aobjects.R: Added a class for structured text documents.
172    
173            * R/reader.R: Replaced remaining \code{parser} occurrences with
174            \code{reader}.
175    
176            * R/textdoccol.R (summary): Indent tags.
177    
178            * R/textdoccol.R (removePunctuation): Transform method to remove
179            punctuation marks.
180    
181    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
182    
183            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
184            using prescindMeta().
185    
186    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
187    
188            * R/textdoccol.R: Improved database support.
189    
190    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
193    
194            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
195            language code.
196    
197            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
198            into parserControl argument.
199    
200            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
201    
202    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * Work/tmDataSetup.R: The datasets acq and crude can now be
205            created on the fly.
206    
207            * R/stopwords.R: Introduced a function returning the stopwords for
208            a given language (English, German and French at the moment)
209    
210            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
211            otherwise falls back to Snowball package.
212    
213    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * man/dissimilarity-methods.Rd: Make clear that any method offered
216            by "dists" from package "cba" can be used.
217    
218    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
221            to Kurt's latex suggestion. Removed points and underscores in
222            variable names for consistent naming.
223    
224            * DESCRIPTION: Update to version 0.1-2.
225    
226            * man/TextRepository.Rd: Fixed bug in documentation.
227    
228    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * DESCRIPTION: Update to version 0.1-1.
231    
232    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
235            wordStem.
236    
237    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
238    
239            * R/: Changes due to Kurt's review.
240    
241    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
242    
243            * R/: Implemented improvements based upon comments by David
244            Meyer.
245    
246    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
247    
248            * inst/doc/: Rewrote vignette.
249    
250            * man/: Improved documentation.
251    
252    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
253    
254            * man/: Updated documentation.
255    
256            * DESCRIPTION: Changed package name to "tm". Updated version to
257            0.1 for first CRAN release.
258    
259            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
260            list archive example.
261    
262            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
263            archive example.
264    
265            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
266            from (several mails per box) mbox format to (single mail per file)
267            eml format.
268    
269    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * data/crude.rda: Rebuilt.
272    
273            * data/acq.rda: Rebuilt.
274    
275            * R/reader.R: Factored out reader and parser methods from
276            textdoccol.R.
277    
278            * R/source.R: Factored out Source methods from aobjects.R and
279            textdoccol.R.
280            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
281            feeds.
282    
283            * R/textdoccol.R (DirSource): Added support for recursive
284            traversal of directories.
285    
286    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
287    
288            * R/textdoccol.R ([[): Loads the document corpus automatically
289            into memory upon access.
290            (tm_transform, tm_filter): Removed several checks whether the
291            document is already loaded ([[ ensures this now).
292            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
293            mailing list archive.
294    
295    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/aobjects.R (TextDocument): Is now a virtual class.
298            (Source): Is now a virtual class.
299    
300    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/textdoccol.R (c): Support for an arbitrary number of document
303            collections.
304    
305    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
306    
307            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
308            append_meta and remove_meta.
309    
310            * R/textdoccol.R: Removed modify_metadata method.
311    
312            * R/textrepo.R: Removed modify_metadata method.
313    
314            * R/textdoccol.R (remove_meta): Supports removal of document
315            collection metadata and document (= in data frame) metadata.
316    
317    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
320    
321            * data/crude.rda: Rebuilt.
322    
323            * data/acq.rda: Rebuilt.
324    
325            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
326    
327            * R/textdoccol.R ([): Bug fix for subsetting a document
328            collection's data frame.
329    
330    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
331    
332            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
333            to s_filter.
334    
335            * R/textdoccol.R: Local text documents' metadata can now be copied
336            to a document collection's data frame with prescind_meta.
337    
338    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * R/: Text documents' slot metadata is now accessible in s_filter.
341    
342            * R/: Rewrote s_filter function (has still some restrictions).
343    
344    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
345    
346            * R/: Various fixes in handling metadata.
347    
348            * R/: Added update mechanism for text document collections.
349    
350    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/: Merging of document collections now creates a binary tree
353            for reconstructing merged document collections.
354    
355            * R/: Redesign of metadata for document collections.
356    
357    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
358    
359            * R/: Messages now use \code{ngettext}.
360    
361    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363            * R/: Added functions for modifying and removing metadata.
364    
365    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
366    
367            * man/: Updated some documentation.
368    
369            * R/: Corrected some connection issues.
370    
371            * inst/doc: Worked on the vignette.
372    
373    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
374    
375            * inst/: Added texts and started vignette.
376    
377            * R/: Final changes based upon David's comments.
378    
379    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
380    
381            * NAMESPACE: Corrected exports (generic methods need exportMethods
382            directives!).
383    
384    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
385    
386            * R/: Modified the TextDocCol constructur and various parsers. It
387            is now modular and supports various file formats via plugins (see
388            the new "Source" class).
389    
390  2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
391    
392          * man/: Revised documentation after previous code changes.          * man/: Revised documentation after previous code changes.

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