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trunk/R/textmin/ChangeLog revision 62, Tue Oct 24 10:08:58 2006 UTC trunk/tm/ChangeLog revision 788, Sun Oct 14 12:16:26 2007 UTC
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1    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/weight.R: Weighting functions for TermDocMatrix.
4    
5    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
8            functions for accessing dimension, column, and row names.
9    
10            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
11    
12    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
15    
16    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
19    
20    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/reader.R (readPDF): Removed manual checks for pdftotext and
23            pdfinfo. The system call gives a warning anyway.
24    
25    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * R/textdoccol.R (asPlain): Conversion from
28            StructuredTextDocuments to PlainTextDocuments.
29    
30    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
33            for accessing term-document matrices.
34    
35            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
36            are installed.
37    
38    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
41            Christian Buchta.
42    
43    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
46    
47    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
50    
51            * R/reader.R (readPDF): Added PDF reader.
52    
53    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
56    
57            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
58    
59            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
60    
61            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
62    
63    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * R/distmeasure.R (dissimilarity): Replaced dists call from
66            package cba by new dist call from package proxy.
67    
68    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
71    
72    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/termdocmatrix.R: require() uses the quietly option to suppress
75            loading messages.
76    
77    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/dictionary.R: Added dictionary support.
80    
81    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
84            documents. This simplifies some functions, e.g., asPlain.
85    
86    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * inst/doc/tm.Rnw: Fixed some typos in vignette.
89    
90    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * R/textdoccol.R (replaceWords): Added method to replace a set of
93            words by a single word. Useful for synonyms.
94    
95    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
98    
99    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
102            vectors. Thanks to Ariel Maguyon for his error report.
103            (removeSparseTerms): New function to remove columns from a
104            term-document matrix exceeding a sparse factor.
105    
106    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
109    
110    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * man/sFilter.Rd: Corrected documentation on statement format (use
113            '==' instead of '=').
114    
115    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/aobjects.R (StructuredTextDocument): Inherits from
118            TextDocument.
119    
120    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
123            on sparse matrices as proposed by Martin Maechler.
124    
125    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
128            \pkg{filehash} version makes them deprecated.
129    
130    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * R/termdocmatrix.R (textvector): Stemming is now performed before
133            erasing stopwords.
134            (weightMatrix): Adapted to handle sparse matrices.
135            (TermDocMatrix): Sparse matrix is now efficiently built by
136            direct stepwise insertion of row values into it.
137    
138    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
141            due to ongoing problems. For our purposes the latter is as useful
142            as the replaced package.
143    
144    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
147    
148            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
149    
150    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
153            languages with available stopwords.
154    
155    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * inst/doc/tm.Rnw: Minor corrections in the vignette.
158    
159    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * DESCRIPTION: Update to version 0.2, since a lot of new features
162            have been integrated.
163    
164            * inst/stopwords: Updated existing stopwords and added stopwords
165            for various other languages.
166    
167    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * man/: Updated documentation.
170    
171            * Work/testDb.R: Script to test database stuff.
172    
173            * R/: Fixed various database related bugs. Seems to be rather
174            useable now, i.e., consider as alpha status for now.
175    
176    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
177    
178            * R/: Fixed some bugs related to database support.
179    
180    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * man/: Added a lot of examples to the manuals.
183    
184    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * man/: Updated parts of the documentation.
187    
188            * R/textdoccol.R (asPlain): Added conversion from newsgroup
189            documents to plain text documents.
190    
191    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
192    
193            * R/textdoccol.R: Finished experimental database support. Not yet
194            intensively tested.
195    
196            * R/source.R: Now each source has a default reader.
197    
198            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
199            class anymore.
200    
201            * R/plaintextdoc.R: Custom show method for plain text documents.
202    
203            * R/aobjects.R: Added a class for structured text documents.
204    
205            * R/reader.R: Replaced remaining \code{parser} occurrences with
206            \code{reader}.
207    
208            * R/textdoccol.R (summary): Indent tags.
209    
210            * R/textdoccol.R (removePunctuation): Transform method to remove
211            punctuation marks.
212    
213    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
216            using prescindMeta().
217    
218    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * R/textdoccol.R: Improved database support.
221    
222    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
225    
226            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
227            language code.
228    
229            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
230            into parserControl argument.
231    
232            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
233    
234    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * Work/tmDataSetup.R: The datasets acq and crude can now be
237            created on the fly.
238    
239            * R/stopwords.R: Introduced a function returning the stopwords for
240            a given language (English, German and French at the moment)
241    
242            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
243            otherwise falls back to Snowball package.
244    
245    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * man/dissimilarity-methods.Rd: Make clear that any method offered
248            by "dists" from package "cba" can be used.
249    
250    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
251    
252            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
253            to Kurt's latex suggestion. Removed points and underscores in
254            variable names for consistent naming.
255    
256            * DESCRIPTION: Update to version 0.1-2.
257    
258            * man/TextRepository.Rd: Fixed bug in documentation.
259    
260    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * DESCRIPTION: Update to version 0.1-1.
263    
264    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
267            wordStem.
268    
269    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * R/: Changes due to Kurt's review.
272    
273    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * R/: Implemented improvements based upon comments by David
276            Meyer.
277    
278    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
279    
280            * inst/doc/: Rewrote vignette.
281    
282            * man/: Improved documentation.
283    
284    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286            * man/: Updated documentation.
287    
288            * DESCRIPTION: Changed package name to "tm". Updated version to
289            0.1 for first CRAN release.
290    
291            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
292            list archive example.
293    
294            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
295            archive example.
296    
297            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
298            from (several mails per box) mbox format to (single mail per file)
299            eml format.
300    
301    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
302    
303            * data/crude.rda: Rebuilt.
304    
305            * data/acq.rda: Rebuilt.
306    
307            * R/reader.R: Factored out reader and parser methods from
308            textdoccol.R.
309    
310            * R/source.R: Factored out Source methods from aobjects.R and
311            textdoccol.R.
312            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
313            feeds.
314    
315            * R/textdoccol.R (DirSource): Added support for recursive
316            traversal of directories.
317    
318    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
319    
320            * R/textdoccol.R ([[): Loads the document corpus automatically
321            into memory upon access.
322            (tm_transform, tm_filter): Removed several checks whether the
323            document is already loaded ([[ ensures this now).
324            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
325            mailing list archive.
326    
327    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
328    
329            * R/aobjects.R (TextDocument): Is now a virtual class.
330            (Source): Is now a virtual class.
331    
332    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
333    
334            * R/textdoccol.R (c): Support for an arbitrary number of document
335            collections.
336    
337    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
340            append_meta and remove_meta.
341    
342            * R/textdoccol.R: Removed modify_metadata method.
343    
344            * R/textrepo.R: Removed modify_metadata method.
345    
346            * R/textdoccol.R (remove_meta): Supports removal of document
347            collection metadata and document (= in data frame) metadata.
348    
349    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
350    
351            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
352    
353            * data/crude.rda: Rebuilt.
354    
355            * data/acq.rda: Rebuilt.
356    
357            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
358    
359            * R/textdoccol.R ([): Bug fix for subsetting a document
360            collection's data frame.
361    
362    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
363    
364            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
365            to s_filter.
366    
367            * R/textdoccol.R: Local text documents' metadata can now be copied
368            to a document collection's data frame with prescind_meta.
369    
370    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
371    
372            * R/: Text documents' slot metadata is now accessible in s_filter.
373    
374            * R/: Rewrote s_filter function (has still some restrictions).
375    
376    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
377    
378            * R/: Various fixes in handling metadata.
379    
380            * R/: Added update mechanism for text document collections.
381    
382    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
383    
384            * R/: Merging of document collections now creates a binary tree
385            for reconstructing merged document collections.
386    
387            * R/: Redesign of metadata for document collections.
388    
389    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * R/: Messages now use \code{ngettext}.
392    
393    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * R/: Added functions for modifying and removing metadata.
396    
397    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
398    
399            * man/: Updated some documentation.
400    
401            * R/: Corrected some connection issues.
402    
403            * inst/doc: Worked on the vignette.
404    
405    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
406    
407            * inst/: Added texts and started vignette.
408    
409            * R/: Final changes based upon David's comments.
410    
411    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * NAMESPACE: Corrected exports (generic methods need exportMethods
414            directives!).
415    
416    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/: Modified the TextDocCol constructur and various parsers. It
419            is now modular and supports various file formats via plugins (see
420            the new "Source" class).
421    
422  2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
423    
424          * man/: Revised documentation after previous code changes.          * man/: Revised documentation after previous code changes.

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