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trunk/R/trunk/ChangeLog revision 17, Sat Nov 5 14:47:12 2005 UTC trunk/tm/ChangeLog revision 755, Sun Jun 3 17:20:40 2007 UTC
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1    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R (replaceWords): Added method to replace a set of
4            words by a single word. Useful for synonyms.
5    
6    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
9    
10    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
13            vectors. Thanks to Ariel Maguyon for his error report.
14            (removeSparseTerms): New function to remove columns from a
15            term-document matrix exceeding a sparse factor.
16    
17    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
20    
21    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * man/sFilter.Rd: Corrected documentation on statement format (use
24            '==' instead of '=').
25    
26    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/aobjects.R (StructuredTextDocument): Inherits from
29            TextDocument.
30    
31    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
34            on sparse matrices as proposed by Martin Maechler.
35    
36    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
39            \pkg{filehash} version makes them deprecated.
40    
41    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/termdocmatrix.R (textvector): Stemming is now performed before
44            erasing stopwords.
45            (weightMatrix): Adapted to handle sparse matrices.
46            (TermDocMatrix): Sparse matrix is now efficiently built by
47            direct stepwise insertion of row values into it.
48    
49    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
52            due to ongoing problems. For our purposes the latter is as useful
53            as the replaced package.
54    
55    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
56    
57            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
58    
59            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
60    
61    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
64            languages with available stopwords.
65    
66    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * inst/doc/tm.Rnw: Minor corrections in the vignette.
69    
70    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * DESCRIPTION: Update to version 0.2, since a lot of new features
73            have been integrated.
74    
75            * inst/stopwords: Updated existing stopwords and added stopwords
76            for various other languages.
77    
78    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * man/: Updated documentation.
81    
82            * Work/testDb.R: Script to test database stuff.
83    
84            * R/: Fixed various database related bugs. Seems to be rather
85            useable now, i.e., consider as alpha status for now.
86    
87    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
88    
89            * R/: Fixed some bugs related to database support.
90    
91    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * man/: Added a lot of examples to the manuals.
94    
95    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * man/: Updated parts of the documentation.
98    
99            * R/textdoccol.R (asPlain): Added conversion from newsgroup
100            documents to plain text documents.
101    
102    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
103    
104            * R/textdoccol.R: Finished experimental database support. Not yet
105            intensively tested.
106    
107            * R/source.R: Now each source has a default reader.
108    
109            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
110            class anymore.
111    
112            * R/plaintextdoc.R: Custom show method for plain text documents.
113    
114            * R/aobjects.R: Added a class for structured text documents.
115    
116            * R/reader.R: Replaced remaining \code{parser} occurrences with
117            \code{reader}.
118    
119            * R/textdoccol.R (summary): Indent tags.
120    
121            * R/textdoccol.R (removePunctuation): Transform method to remove
122            punctuation marks.
123    
124    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
127            using prescindMeta().
128    
129    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * R/textdoccol.R: Improved database support.
132    
133    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
136    
137            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
138            language code.
139    
140            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
141            into parserControl argument.
142    
143            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
144    
145    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * Work/tmDataSetup.R: The datasets acq and crude can now be
148            created on the fly.
149    
150            * R/stopwords.R: Introduced a function returning the stopwords for
151            a given language (English, German and French at the moment)
152    
153            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
154            otherwise falls back to Snowball package.
155    
156    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
157    
158            * man/dissimilarity-methods.Rd: Make clear that any method offered
159            by "dists" from package "cba" can be used.
160    
161    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
164            to Kurt's latex suggestion. Removed points and underscores in
165            variable names for consistent naming.
166    
167            * DESCRIPTION: Update to version 0.1-2.
168    
169            * man/TextRepository.Rd: Fixed bug in documentation.
170    
171    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
172    
173            * DESCRIPTION: Update to version 0.1-1.
174    
175    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
178            wordStem.
179    
180    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/: Changes due to Kurt's review.
183    
184    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/: Implemented improvements based upon comments by David
187            Meyer.
188    
189    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * inst/doc/: Rewrote vignette.
192    
193            * man/: Improved documentation.
194    
195    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
196    
197            * man/: Updated documentation.
198    
199            * DESCRIPTION: Changed package name to "tm". Updated version to
200            0.1 for first CRAN release.
201    
202            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
203            list archive example.
204    
205            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
206            archive example.
207    
208            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
209            from (several mails per box) mbox format to (single mail per file)
210            eml format.
211    
212    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
213    
214            * data/crude.rda: Rebuilt.
215    
216            * data/acq.rda: Rebuilt.
217    
218            * R/reader.R: Factored out reader and parser methods from
219            textdoccol.R.
220    
221            * R/source.R: Factored out Source methods from aobjects.R and
222            textdoccol.R.
223            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
224            feeds.
225    
226            * R/textdoccol.R (DirSource): Added support for recursive
227            traversal of directories.
228    
229    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
230    
231            * R/textdoccol.R ([[): Loads the document corpus automatically
232            into memory upon access.
233            (tm_transform, tm_filter): Removed several checks whether the
234            document is already loaded ([[ ensures this now).
235            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
236            mailing list archive.
237    
238    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
239    
240            * R/aobjects.R (TextDocument): Is now a virtual class.
241            (Source): Is now a virtual class.
242    
243    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
244    
245            * R/textdoccol.R (c): Support for an arbitrary number of document
246            collections.
247    
248    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
249    
250            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
251            append_meta and remove_meta.
252    
253            * R/textdoccol.R: Removed modify_metadata method.
254    
255            * R/textrepo.R: Removed modify_metadata method.
256    
257            * R/textdoccol.R (remove_meta): Supports removal of document
258            collection metadata and document (= in data frame) metadata.
259    
260    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
263    
264            * data/crude.rda: Rebuilt.
265    
266            * data/acq.rda: Rebuilt.
267    
268            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
269    
270            * R/textdoccol.R ([): Bug fix for subsetting a document
271            collection's data frame.
272    
273    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
276            to s_filter.
277    
278            * R/textdoccol.R: Local text documents' metadata can now be copied
279            to a document collection's data frame with prescind_meta.
280    
281    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
282    
283            * R/: Text documents' slot metadata is now accessible in s_filter.
284    
285            * R/: Rewrote s_filter function (has still some restrictions).
286    
287    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * R/: Various fixes in handling metadata.
290    
291            * R/: Added update mechanism for text document collections.
292    
293    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295            * R/: Merging of document collections now creates a binary tree
296            for reconstructing merged document collections.
297    
298            * R/: Redesign of metadata for document collections.
299    
300    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/: Messages now use \code{ngettext}.
303    
304    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * R/: Added functions for modifying and removing metadata.
307    
308    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
309    
310            * man/: Updated some documentation.
311    
312            * R/: Corrected some connection issues.
313    
314            * inst/doc: Worked on the vignette.
315    
316    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
317    
318            * inst/: Added texts and started vignette.
319    
320            * R/: Final changes based upon David's comments.
321    
322    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * NAMESPACE: Corrected exports (generic methods need exportMethods
325            directives!).
326    
327    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
328    
329            * R/: Modified the TextDocCol constructur and various parsers. It
330            is now modular and supports various file formats via plugins (see
331            the new "Source" class).
332    
333    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
334    
335            * man/: Revised documentation after previous code changes.
336    
337    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * R/: Remaining changes as discussed with David.
340    
341    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * R/: Some changes as suggested by David. The rest will follow
344            within the next days.
345    
346    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * man/: Finished documentation.
349    
350    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * man/: Wrote some documentation.
353    
354    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
355    
356            * R/: Further syntactic sugar in form of additional assignment and
357            accessor methods.
358    
359    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
360    
361            * R/: Syntactic sugar in form of "length", "show" and "summary"
362            operators.
363    
364    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * R/: Diverse updates. Mainly on default operators ("[" or "c")
367            and dissimilarities.
368    
369    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
370    
371            * R/: Added similarity functions.
372    
373            * data/: Added english stopwords.
374    
375    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
376    
377            * data/: Examples compiled for new features
378    
379            * R/: Changes due to new structure.
380    
381            * NAMESPACE: Corrected namespace to reflect new structure.
382    
383            * R/termdocmatrix.R: Adapted for new naming scheme.
384    
385    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
386    
387            * R/textdoccol.R: Adapted code for new class structure. Wrote
388            several transform and filter functions operating on text document
389            collections (alias text document databases).
390    
391            * R/aobjects.R: Adapted class structure with inheritance,
392            repositories and additional meta data. Loading files on demand is
393            now possible.
394    
395    2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
396    
397            * R/: Some cosmetic cleanups.
398    
399            * inst/: Removed vignette on clustering. That and much more is now
400            described in the JSS paper on text mining. Based upon that
401            article an elaborated vignette will be incorporated in the future.
402    
403    2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
404    
405            * R/: Updated generic S4 methods to comply with signature changes
406            in newer versions of R (> 2.3)
407    
408    2006-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
409    
410            * ext/R/importRIS.R: Automatic RIS import is now possible.
411    
412    2006-02-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
413    
414            * R/textdoccol.R: Added RIS HTML input format.
415    
416    2006-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/textdoccol.R: Removed bug that caused invalid text document
419            collections when handling many input files.
420    
421    2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
422    
423            * R/textdoccol.R: Restructured and extended file import
424            mechanism.
425    
426            * inst/doc/clustering.Rnw: Adapted vignette for use with
427            ReutNews.rda
428    
429            * man/ReutNews.Rd: Documentation for ReutNews.rda
430    
431            * data/ReutNews.rda: A tiny Reuters21578 example data set.
432    
433    2005-12-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
434    
435            * inst/doc/clustering.Rnw: Wrote a small vignette to present the
436            clustering facilities of this package.
437    
438    2005-12-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
439    
440            * R/aobjects.R: Changed package document structure to avoid class
441            dependency problems.
442    
443    2005-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
444    
445            * Wrote a script for the ModLewis Split for the Reuters-21578 XML
446            data set.
447    
448            * Finished documentation and reordered directory structure. Now "R
449            CMD check textmin" works without errors.
450    
451    2005-12-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
452    
453            * src/: Various splits can now be easily created for the
454            Reuters21578 data set.
455    
456    2005-12-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
457    
458            * Updated documentation
459    
460    2005-11-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
461    
462            * Wrote R documentation for some classes and methods.
463    
464    2005-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
465    
466            * R/textdoccol.R: Constructor of textdoccol allows import of CSV
467            files. See the questionnaire data/Umfrage.csv for such an example.
468            We are now able to import files in Reuters-21578 XML format.
469    
470            * Changed class interfaces in various files. Weighting of the text
471            matrix is now possible.
472    
473    2005-11-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * R/textdoccol.R: One can build term-document matrices if
476            nessecary (with buildTDM(...)) and fill the field tdm from a text
477            document collection with it.
478    
479            * R/textmatrix.R: Wrote S4 class for term-document matrices.
480    
481    2005-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * R/textdoccol.R: We now can read in a whole XML file with several
484            news items.
485    
486  2005-11-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2005-11-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
487    
488          * R/textdoccol.R: Set up an S4 class for a collection of text          * R/textdoccol.R: Set up an S4 class for a collection of text

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