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trunk/R/textmin/ChangeLog revision 66, Tue Oct 31 22:03:33 2006 UTC pkg/ChangeLog revision 911, Sun Mar 22 17:55:16 2009 UTC
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1    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
4            (XMLSource): New XMLSource class for arbitrary XML files.
5            (Source): New slot Vectorized.
6    
7    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
8    
9            * R/reader.R (readCustom): Experimental reader which can be
10            customized via user-defined mappings.
11    
12            * R/reader.R: Always use UTC time zone.
13    
14            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
15    
16    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/reader.R (readDOC): Options can be passed over to antiword.
19    
20            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
21            pdftotext.
22    
23    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
24    
25            * R/source.R (DirSource): Add pattern and ignore.case arguments
26            which are internally passed over to list.files().
27    
28    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
29    
30            * inst/doc/tm.Rnw: Suppress pointless loading message.
31    
32    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
33    
34            * DESCRIPTION: Speed up package loading (via moving packages not
35            strictly necessary for normal operation to Suggests instead of
36            Depends).
37    
38    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
39    
40            * R/reader.R (readNewsgroup): The date format is now configurable.
41    
42    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
45    
46    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
49    
50    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/source.R (DataframeSource): New source class for data frames.
53    
54            * R/source.R: Fixed non-standard call evaluation.
55    
56    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/source.R (URISource): New source class for a single document.
59    
60    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/source.R: Refactoring.
63    
64    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
65    
66            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
67            Rmpi installations more gracefully.
68    
69    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/source.R (Source): Add Length slot.
72    
73    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/AAA.R: Unify duplicated .onLoad function.
76    
77    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
78    
79            * DESCRIPTION (Suggests): Added Rmpi.
80    
81    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
82    
83            * R/source.R (getElem): Fix 'no visible binding' warning.
84    
85            * man/WeightFunction.Rd: Fix signature.
86    
87    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/weight.R: Introduce name abbreviations for weighting functions.
90    
91    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
94    
95            * R/cluster.R: Provide convenience functions for using a MPI
96            cluster.
97    
98            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
99            available.
100    
101            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
102            available.
103    
104    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
105    
106            * R/textdoccol.R (lapply): Removed debug print out.
107    
108    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/reader.R (readRCV1): Improved meta data extraction from
111            Reuters Corpus Volume 1 documents.
112    
113    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * R/transform.R: Ensure that all mappings preserve multiline
116            structures.
117    
118    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * R/filter.R: Every filter has now an attribute indicating whether
121            it sould be applied to document level (doclevel).
122    
123            * R/textdoccol.R (tmFilter): Set searchFullText as new default
124            filter.
125    
126    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/transform.R (replacePatterns): Replaced removeWords by
129            replacePatterns. Suggested by Christian Buchta.
130    
131            * R/textdoccol.R (inspect): Improved formatting.
132    
133    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * inst/CITATION: Updated JSS article information.
136    
137            * R/textdoccol.R (setAs): Added coerce method from list to
138            corpus.
139    
140            * R/meta.R (meta): Improved meta data handling.
141    
142    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
143    
144            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
145            Christian Buchta.
146    
147            * inst/CITATION: Added template to include JSS article reference.
148    
149    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
150    
151            * R/textdoccol.R (tmMap): Introduced lazy mapping.
152    
153            * R/source.R: Added VectorSource.
154    
155    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * man/: Language codes should be in ISO 639-1 format.
158    
159            * R/textdoccol.R (asPlain): Preserve local meta data.
160    
161    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * R/textdoccol.R (writeCorpus): Function for writing a corpus
164            containing plain text documents to disk.
165    
166    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
169            always set correctly.
170    
171            * R/textdoccol.R: Set load = TRUE as default for load on demand
172            since in most cases this is the wanted behaviour.
173    
174    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
177    
178            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
179    
180    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/meta.R (meta): New function for consistent access to meta data
183            of document collections, repositories, and texts.
184    
185    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
186    
187            * R/: Better support for encodings.
188    
189    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
192            selection when no reader argument is given.
193    
194    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * R/source.R (CSVSource): Now uses read.csv instead of scan
197            internally.
198    
199    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * R/reader.R (getReaders): Returns available reader functions.
202    
203            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
204            as default.
205    
206    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
207    
208            * R/stopwords.R (stopwords): Shortened code, removed codetools
209            variable warnings.
210    
211            * man/: Documentation for showMeta, added an example for tmMap.
212    
213            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
214            some minor typos fixed.
215    
216    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
217    
218            * R/aobjects.R (showMeta): Added method for pretty printing a
219            text document's meta data.
220    
221    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/textdoccol.R (TextDocCol): Better handling of empty
224            arguments.
225    
226            * NAMESPACE: Exported readDOC.
227    
228            * man/completeStems.Rd: Added an example.
229    
230    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * R/stopwords.R (stopwords): Look up .dat files at every
233            call. Allows users to modify stopword .dat files interactively.
234    
235    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * R/termdocmatrix.R (termFreq): Correct processing of empty
238            documents.
239    
240    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * man/: Updated documentation.
243    
244    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
245    
246            * R/complete.R (completeStems): Completes (heuristically) word
247            stems.
248    
249            * R/termdocmatrix.R (TermDocMatrix2): New modular
250            constructor.
251    
252            * NAMESPACE: Exported termFreq.
253    
254    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
255    
256            * R/reader.R (readDOC): Added MS Word reader (using antiword).
257    
258    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * R/weight.R: Weighting functions for TermDocMatrix.
261    
262    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
263    
264            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
265            functions for accessing dimension, column, and row names.
266    
267            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
268    
269    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
272    
273    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
276    
277    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
278    
279            * R/reader.R (readPDF): Removed manual checks for pdftotext and
280            pdfinfo. The system call gives a warning anyway.
281    
282    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
283    
284            * R/textdoccol.R (asPlain): Conversion from
285            StructuredTextDocuments to PlainTextDocuments.
286    
287    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
290            for accessing term-document matrices.
291    
292            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
293            are installed.
294    
295    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
298            Christian Buchta.
299    
300    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
303    
304    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
307    
308            * R/reader.R (readPDF): Added PDF reader.
309    
310    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
311    
312            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
313    
314            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
315    
316            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
317    
318            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
319    
320    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
321    
322            * R/distmeasure.R (dissimilarity): Replaced dists call from
323            package cba by new dist call from package proxy.
324    
325    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
326    
327            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
328    
329    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
330    
331            * R/termdocmatrix.R: require() uses the quietly option to suppress
332            loading messages.
333    
334    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
335    
336            * R/dictionary.R: Added dictionary support.
337    
338    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
341            documents. This simplifies some functions, e.g., asPlain.
342    
343    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
344    
345            * inst/doc/tm.Rnw: Fixed some typos in vignette.
346    
347    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
348    
349            * R/textdoccol.R (replaceWords): Added method to replace a set of
350            words by a single word. Useful for synonyms.
351    
352    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
355    
356    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
357    
358            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
359            vectors. Thanks to Ariel Maguyon for his error report.
360            (removeSparseTerms): New function to remove columns from a
361            term-document matrix exceeding a sparse factor.
362    
363    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
364    
365            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
366    
367    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
368    
369            * man/sFilter.Rd: Corrected documentation on statement format (use
370            '==' instead of '=').
371    
372    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
373    
374            * R/aobjects.R (StructuredTextDocument): Inherits from
375            TextDocument.
376    
377    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
378    
379            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
380            on sparse matrices as proposed by Martin Maechler.
381    
382    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
383    
384            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
385            \pkg{filehash} version makes them deprecated.
386    
387    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
388    
389            * R/termdocmatrix.R (textvector): Stemming is now performed before
390            erasing stopwords.
391            (weightMatrix): Adapted to handle sparse matrices.
392            (TermDocMatrix): Sparse matrix is now efficiently built by
393            direct stepwise insertion of row values into it.
394    
395    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
396    
397            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
398            due to ongoing problems. For our purposes the latter is as useful
399            as the replaced package.
400    
401    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
402    
403            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
404    
405            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
406    
407    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
408    
409            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
410            languages with available stopwords.
411    
412    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
413    
414            * inst/doc/tm.Rnw: Minor corrections in the vignette.
415    
416    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * DESCRIPTION: Update to version 0.2, since a lot of new features
419            have been integrated.
420    
421            * inst/stopwords: Updated existing stopwords and added stopwords
422            for various other languages.
423    
424    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
425    
426            * man/: Updated documentation.
427    
428            * Work/testDb.R: Script to test database stuff.
429    
430            * R/: Fixed various database related bugs. Seems to be rather
431            useable now, i.e., consider as alpha status for now.
432    
433    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
434    
435            * R/: Fixed some bugs related to database support.
436    
437    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
438    
439            * man/: Added a lot of examples to the manuals.
440    
441    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
442    
443            * man/: Updated parts of the documentation.
444    
445            * R/textdoccol.R (asPlain): Added conversion from newsgroup
446            documents to plain text documents.
447    
448    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
449    
450            * R/textdoccol.R: Finished experimental database support. Not yet
451            intensively tested.
452    
453            * R/source.R: Now each source has a default reader.
454    
455            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
456            class anymore.
457    
458            * R/plaintextdoc.R: Custom show method for plain text documents.
459    
460            * R/aobjects.R: Added a class for structured text documents.
461    
462            * R/reader.R: Replaced remaining \code{parser} occurrences with
463            \code{reader}.
464    
465            * R/textdoccol.R (summary): Indent tags.
466    
467            * R/textdoccol.R (removePunctuation): Transform method to remove
468            punctuation marks.
469    
470    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
471    
472            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
473            using prescindMeta().
474    
475    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
476    
477            * R/textdoccol.R: Improved database support.
478    
479    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
480    
481            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
482    
483            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
484            language code.
485    
486            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
487            into parserControl argument.
488    
489            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
490    
491    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
492    
493            * Work/tmDataSetup.R: The datasets acq and crude can now be
494            created on the fly.
495    
496            * R/stopwords.R: Introduced a function returning the stopwords for
497            a given language (English, German and French at the moment)
498    
499            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
500            otherwise falls back to Snowball package.
501    
502    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
503    
504            * man/dissimilarity-methods.Rd: Make clear that any method offered
505            by "dists" from package "cba" can be used.
506    
507    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
508    
509            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
510            to Kurt's latex suggestion. Removed points and underscores in
511            variable names for consistent naming.
512    
513            * DESCRIPTION: Update to version 0.1-2.
514    
515            * man/TextRepository.Rd: Fixed bug in documentation.
516    
517    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
518    
519            * DESCRIPTION: Update to version 0.1-1.
520    
521    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
522    
523            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
524            wordStem.
525    
526    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
527    
528            * R/: Changes due to Kurt's review.
529    
530    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
531    
532            * R/: Implemented improvements based upon comments by David
533            Meyer.
534    
535    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * inst/doc/: Rewrote vignette.
538    
539            * man/: Improved documentation.
540    
541    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
542    
543            * man/: Updated documentation.
544    
545            * DESCRIPTION: Changed package name to "tm". Updated version to
546            0.1 for first CRAN release.
547    
548            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
549            list archive example.
550    
551            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
552            archive example.
553    
554            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
555            from (several mails per box) mbox format to (single mail per file)
556            eml format.
557    
558    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
559    
560            * data/crude.rda: Rebuilt.
561    
562            * data/acq.rda: Rebuilt.
563    
564            * R/reader.R: Factored out reader and parser methods from
565            textdoccol.R.
566    
567            * R/source.R: Factored out Source methods from aobjects.R and
568            textdoccol.R.
569            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
570            feeds.
571    
572            * R/textdoccol.R (DirSource): Added support for recursive
573            traversal of directories.
574    
575    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
576    
577            * R/textdoccol.R ([[): Loads the document corpus automatically
578            into memory upon access.
579            (tm_transform, tm_filter): Removed several checks whether the
580            document is already loaded ([[ ensures this now).
581            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
582            mailing list archive.
583    
584    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
585    
586            * R/aobjects.R (TextDocument): Is now a virtual class.
587            (Source): Is now a virtual class.
588    
589    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
590    
591            * R/textdoccol.R (c): Support for an arbitrary number of document
592            collections.
593    
594    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
595    
596            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
597            append_meta and remove_meta.
598    
599            * R/textdoccol.R: Removed modify_metadata method.
600    
601            * R/textrepo.R: Removed modify_metadata method.
602    
603            * R/textdoccol.R (remove_meta): Supports removal of document
604            collection metadata and document (= in data frame) metadata.
605    
606    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
607    
608            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
609    
610            * data/crude.rda: Rebuilt.
611    
612            * data/acq.rda: Rebuilt.
613    
614            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
615    
616            * R/textdoccol.R ([): Bug fix for subsetting a document
617            collection's data frame.
618    
619    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
620    
621            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
622            to s_filter.
623    
624            * R/textdoccol.R: Local text documents' metadata can now be copied
625            to a document collection's data frame with prescind_meta.
626    
627    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
628    
629            * R/: Text documents' slot metadata is now accessible in s_filter.
630    
631            * R/: Rewrote s_filter function (has still some restrictions).
632    
633    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
634    
635            * R/: Various fixes in handling metadata.
636    
637            * R/: Added update mechanism for text document collections.
638    
639    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
640    
641            * R/: Merging of document collections now creates a binary tree
642            for reconstructing merged document collections.
643    
644            * R/: Redesign of metadata for document collections.
645    
646    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
647    
648            * R/: Messages now use \code{ngettext}.
649    
650    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
651    
652            * R/: Added functions for modifying and removing metadata.
653    
654    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
655    
656            * man/: Updated some documentation.
657    
658            * R/: Corrected some connection issues.
659    
660            * inst/doc: Worked on the vignette.
661    
662  2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
663    
664          * inst/: Added texts and started vignette.          * inst/: Added texts and started vignette.

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