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trunk/R/textmin/ChangeLog revision 48, Thu Jul 13 13:47:31 2006 UTC trunk/tm/ChangeLog revision 760, Thu Jun 21 22:40:15 2007 UTC
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1    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R: require() uses the quietly option to suppress
4            loading messages.
5    
6    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/dictionary.R: Added dictionary support.
9    
10    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
13            documents. This simplifies some functions, e.g., asPlain.
14    
15    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * inst/doc/tm.Rnw: Fixed some typos in vignette.
18    
19    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * R/textdoccol.R (replaceWords): Added method to replace a set of
22            words by a single word. Useful for synonyms.
23    
24    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
27    
28    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
31            vectors. Thanks to Ariel Maguyon for his error report.
32            (removeSparseTerms): New function to remove columns from a
33            term-document matrix exceeding a sparse factor.
34    
35    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
38    
39    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * man/sFilter.Rd: Corrected documentation on statement format (use
42            '==' instead of '=').
43    
44    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/aobjects.R (StructuredTextDocument): Inherits from
47            TextDocument.
48    
49    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
52            on sparse matrices as proposed by Martin Maechler.
53    
54    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
57            \pkg{filehash} version makes them deprecated.
58    
59    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
60    
61            * R/termdocmatrix.R (textvector): Stemming is now performed before
62            erasing stopwords.
63            (weightMatrix): Adapted to handle sparse matrices.
64            (TermDocMatrix): Sparse matrix is now efficiently built by
65            direct stepwise insertion of row values into it.
66    
67    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
70            due to ongoing problems. For our purposes the latter is as useful
71            as the replaced package.
72    
73    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
76    
77            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
78    
79    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
82            languages with available stopwords.
83    
84    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * inst/doc/tm.Rnw: Minor corrections in the vignette.
87    
88    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * DESCRIPTION: Update to version 0.2, since a lot of new features
91            have been integrated.
92    
93            * inst/stopwords: Updated existing stopwords and added stopwords
94            for various other languages.
95    
96    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * man/: Updated documentation.
99    
100            * Work/testDb.R: Script to test database stuff.
101    
102            * R/: Fixed various database related bugs. Seems to be rather
103            useable now, i.e., consider as alpha status for now.
104    
105    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/: Fixed some bugs related to database support.
108    
109    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * man/: Added a lot of examples to the manuals.
112    
113    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * man/: Updated parts of the documentation.
116    
117            * R/textdoccol.R (asPlain): Added conversion from newsgroup
118            documents to plain text documents.
119    
120    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/textdoccol.R: Finished experimental database support. Not yet
123            intensively tested.
124    
125            * R/source.R: Now each source has a default reader.
126    
127            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
128            class anymore.
129    
130            * R/plaintextdoc.R: Custom show method for plain text documents.
131    
132            * R/aobjects.R: Added a class for structured text documents.
133    
134            * R/reader.R: Replaced remaining \code{parser} occurrences with
135            \code{reader}.
136    
137            * R/textdoccol.R (summary): Indent tags.
138    
139            * R/textdoccol.R (removePunctuation): Transform method to remove
140            punctuation marks.
141    
142    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
143    
144            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
145            using prescindMeta().
146    
147    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * R/textdoccol.R: Improved database support.
150    
151    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
152    
153            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
154    
155            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
156            language code.
157    
158            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
159            into parserControl argument.
160    
161            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
162    
163    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
164    
165            * Work/tmDataSetup.R: The datasets acq and crude can now be
166            created on the fly.
167    
168            * R/stopwords.R: Introduced a function returning the stopwords for
169            a given language (English, German and French at the moment)
170    
171            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
172            otherwise falls back to Snowball package.
173    
174    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * man/dissimilarity-methods.Rd: Make clear that any method offered
177            by "dists" from package "cba" can be used.
178    
179    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
182            to Kurt's latex suggestion. Removed points and underscores in
183            variable names for consistent naming.
184    
185            * DESCRIPTION: Update to version 0.1-2.
186    
187            * man/TextRepository.Rd: Fixed bug in documentation.
188    
189    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * DESCRIPTION: Update to version 0.1-1.
192    
193    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
196            wordStem.
197    
198    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/: Changes due to Kurt's review.
201    
202    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/: Implemented improvements based upon comments by David
205            Meyer.
206    
207    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * inst/doc/: Rewrote vignette.
210    
211            * man/: Improved documentation.
212    
213    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * man/: Updated documentation.
216    
217            * DESCRIPTION: Changed package name to "tm". Updated version to
218            0.1 for first CRAN release.
219    
220            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
221            list archive example.
222    
223            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
224            archive example.
225    
226            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
227            from (several mails per box) mbox format to (single mail per file)
228            eml format.
229    
230    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * data/crude.rda: Rebuilt.
233    
234            * data/acq.rda: Rebuilt.
235    
236            * R/reader.R: Factored out reader and parser methods from
237            textdoccol.R.
238    
239            * R/source.R: Factored out Source methods from aobjects.R and
240            textdoccol.R.
241            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
242            feeds.
243    
244            * R/textdoccol.R (DirSource): Added support for recursive
245            traversal of directories.
246    
247    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * R/textdoccol.R ([[): Loads the document corpus automatically
250            into memory upon access.
251            (tm_transform, tm_filter): Removed several checks whether the
252            document is already loaded ([[ ensures this now).
253            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
254            mailing list archive.
255    
256    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
257    
258            * R/aobjects.R (TextDocument): Is now a virtual class.
259            (Source): Is now a virtual class.
260    
261    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
262    
263            * R/textdoccol.R (c): Support for an arbitrary number of document
264            collections.
265    
266    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
267    
268            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
269            append_meta and remove_meta.
270    
271            * R/textdoccol.R: Removed modify_metadata method.
272    
273            * R/textrepo.R: Removed modify_metadata method.
274    
275            * R/textdoccol.R (remove_meta): Supports removal of document
276            collection metadata and document (= in data frame) metadata.
277    
278    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
279    
280            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
281    
282            * data/crude.rda: Rebuilt.
283    
284            * data/acq.rda: Rebuilt.
285    
286            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
287    
288            * R/textdoccol.R ([): Bug fix for subsetting a document
289            collection's data frame.
290    
291    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
292    
293            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
294            to s_filter.
295    
296            * R/textdoccol.R: Local text documents' metadata can now be copied
297            to a document collection's data frame with prescind_meta.
298    
299    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/: Text documents' slot metadata is now accessible in s_filter.
302    
303            * R/: Rewrote s_filter function (has still some restrictions).
304    
305    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
306    
307            * R/: Various fixes in handling metadata.
308    
309            * R/: Added update mechanism for text document collections.
310    
311    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
312    
313            * R/: Merging of document collections now creates a binary tree
314            for reconstructing merged document collections.
315    
316            * R/: Redesign of metadata for document collections.
317    
318    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
319    
320            * R/: Messages now use \code{ngettext}.
321    
322    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/: Added functions for modifying and removing metadata.
325    
326    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * man/: Updated some documentation.
329    
330            * R/: Corrected some connection issues.
331    
332            * inst/doc: Worked on the vignette.
333    
334    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
335    
336            * inst/: Added texts and started vignette.
337    
338            * R/: Final changes based upon David's comments.
339    
340    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
341    
342            * NAMESPACE: Corrected exports (generic methods need exportMethods
343            directives!).
344    
345    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
346    
347            * R/: Modified the TextDocCol constructur and various parsers. It
348            is now modular and supports various file formats via plugins (see
349            the new "Source" class).
350    
351    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
352    
353            * man/: Revised documentation after previous code changes.
354    
355    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * R/: Remaining changes as discussed with David.
358    
359    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
360    
361            * R/: Some changes as suggested by David. The rest will follow
362            within the next days.
363    
364    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * man/: Finished documentation.
367    
368    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
369    
370            * man/: Wrote some documentation.
371    
372    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
373    
374            * R/: Further syntactic sugar in form of additional assignment and
375            accessor methods.
376    
377    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
378    
379            * R/: Syntactic sugar in form of "length", "show" and "summary"
380            operators.
381    
382    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
383    
384            * R/: Diverse updates. Mainly on default operators ("[" or "c")
385            and dissimilarities.
386    
387    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
388    
389            * R/: Added similarity functions.
390    
391            * data/: Added english stopwords.
392    
393    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * data/: Examples compiled for new features
396    
397            * R/: Changes due to new structure.
398    
399            * NAMESPACE: Corrected namespace to reflect new structure.
400    
401            * R/termdocmatrix.R: Adapted for new naming scheme.
402    
403    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
404    
405            * R/textdoccol.R: Adapted code for new class structure. Wrote
406            several transform and filter functions operating on text document
407            collections (alias text document databases).
408    
409            * R/aobjects.R: Adapted class structure with inheritance,
410            repositories and additional meta data. Loading files on demand is
411            now possible.
412    
413  2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
414    
415          * R/: Some cosmetic cleanups.          * R/: Some cosmetic cleanups.

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