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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 908, Sat Mar 21 18:22:48 2009 UTC
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1    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readCustom): Experimental reader which can be
4            customized via user-defined mappings.
5    
6            * R/reader.R: Always use UTC time zone.
7    
8            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
9    
10    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/reader.R (readDOC): Options can be passed over to antiword.
13    
14            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
15            pdftotext.
16    
17    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
18    
19            * R/source.R (DirSource): Add pattern and ignore.case arguments
20            which are internally passed over to list.files().
21    
22    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
23    
24            * inst/doc/tm.Rnw: Suppress pointless loading message.
25    
26    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
27    
28            * DESCRIPTION: Speed up package loading (via moving packages not
29            strictly necessary for normal operation to Suggests instead of
30            Depends).
31    
32    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
33    
34            * R/reader.R (readNewsgroup): The date format is now configurable.
35    
36    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
39    
40    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
43    
44    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/source.R (DataframeSource): New source class for data frames.
47    
48            * R/source.R: Fixed non-standard call evaluation.
49    
50    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/source.R (URISource): New source class for a single document.
53    
54    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/source.R: Refactoring.
57    
58    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
61            Rmpi installations more gracefully.
62    
63    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/source.R (Source): Add Length slot.
66    
67    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/AAA.R: Unify duplicated .onLoad function.
70    
71    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
72    
73            * DESCRIPTION (Suggests): Added Rmpi.
74    
75    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
76    
77            * R/source.R (getElem): Fix 'no visible binding' warning.
78    
79            * man/WeightFunction.Rd: Fix signature.
80    
81    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
82    
83            * R/weight.R: Introduce name abbreviations for weighting functions.
84    
85    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
88    
89            * R/cluster.R: Provide convenience functions for using a MPI
90            cluster.
91    
92            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
93            available.
94    
95            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
96            available.
97    
98    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/textdoccol.R (lapply): Removed debug print out.
101    
102    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
103    
104            * R/reader.R (readRCV1): Improved meta data extraction from
105            Reuters Corpus Volume 1 documents.
106    
107    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
108    
109            * R/transform.R: Ensure that all mappings preserve multiline
110            structures.
111    
112    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * R/filter.R: Every filter has now an attribute indicating whether
115            it sould be applied to document level (doclevel).
116    
117            * R/textdoccol.R (tmFilter): Set searchFullText as new default
118            filter.
119    
120    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/transform.R (replacePatterns): Replaced removeWords by
123            replacePatterns. Suggested by Christian Buchta.
124    
125            * R/textdoccol.R (inspect): Improved formatting.
126    
127    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * inst/CITATION: Updated JSS article information.
130    
131            * R/textdoccol.R (setAs): Added coerce method from list to
132            corpus.
133    
134            * R/meta.R (meta): Improved meta data handling.
135    
136    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
139            Christian Buchta.
140    
141            * inst/CITATION: Added template to include JSS article reference.
142    
143    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * R/textdoccol.R (tmMap): Introduced lazy mapping.
146    
147            * R/source.R: Added VectorSource.
148    
149    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
150    
151            * man/: Language codes should be in ISO 639-1 format.
152    
153            * R/textdoccol.R (asPlain): Preserve local meta data.
154    
155    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/textdoccol.R (writeCorpus): Function for writing a corpus
158            containing plain text documents to disk.
159    
160    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
163            always set correctly.
164    
165            * R/textdoccol.R: Set load = TRUE as default for load on demand
166            since in most cases this is the wanted behaviour.
167    
168    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
171    
172            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
173    
174    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * R/meta.R (meta): New function for consistent access to meta data
177            of document collections, repositories, and texts.
178    
179    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * R/: Better support for encodings.
182    
183    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
184    
185            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
186            selection when no reader argument is given.
187    
188    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
189    
190            * R/source.R (CSVSource): Now uses read.csv instead of scan
191            internally.
192    
193    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/reader.R (getReaders): Returns available reader functions.
196    
197            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
198            as default.
199    
200    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
201    
202            * R/stopwords.R (stopwords): Shortened code, removed codetools
203            variable warnings.
204    
205            * man/: Documentation for showMeta, added an example for tmMap.
206    
207            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
208            some minor typos fixed.
209    
210    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
211    
212            * R/aobjects.R (showMeta): Added method for pretty printing a
213            text document's meta data.
214    
215    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217            * R/textdoccol.R (TextDocCol): Better handling of empty
218            arguments.
219    
220            * NAMESPACE: Exported readDOC.
221    
222            * man/completeStems.Rd: Added an example.
223    
224    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
225    
226            * R/stopwords.R (stopwords): Look up .dat files at every
227            call. Allows users to modify stopword .dat files interactively.
228    
229    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
230    
231            * R/termdocmatrix.R (termFreq): Correct processing of empty
232            documents.
233    
234    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * man/: Updated documentation.
237    
238    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
239    
240            * R/complete.R (completeStems): Completes (heuristically) word
241            stems.
242    
243            * R/termdocmatrix.R (TermDocMatrix2): New modular
244            constructor.
245    
246            * NAMESPACE: Exported termFreq.
247    
248    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
249    
250            * R/reader.R (readDOC): Added MS Word reader (using antiword).
251    
252    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
253    
254            * R/weight.R: Weighting functions for TermDocMatrix.
255    
256    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
257    
258            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
259            functions for accessing dimension, column, and row names.
260    
261            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
262    
263    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
266    
267    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
268    
269            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
270    
271    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
272    
273            * R/reader.R (readPDF): Removed manual checks for pdftotext and
274            pdfinfo. The system call gives a warning anyway.
275    
276    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * R/textdoccol.R (asPlain): Conversion from
279            StructuredTextDocuments to PlainTextDocuments.
280    
281    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
282    
283            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
284            for accessing term-document matrices.
285    
286            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
287            are installed.
288    
289    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
290    
291            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
292            Christian Buchta.
293    
294    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
297    
298    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
299    
300            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
301    
302            * R/reader.R (readPDF): Added PDF reader.
303    
304    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
307    
308            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
309    
310            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
311    
312            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
313    
314    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
315    
316            * R/distmeasure.R (dissimilarity): Replaced dists call from
317            package cba by new dist call from package proxy.
318    
319    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
322    
323    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
324    
325            * R/termdocmatrix.R: require() uses the quietly option to suppress
326            loading messages.
327    
328    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
329    
330            * R/dictionary.R: Added dictionary support.
331    
332    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
333    
334            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
335            documents. This simplifies some functions, e.g., asPlain.
336    
337    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * inst/doc/tm.Rnw: Fixed some typos in vignette.
340    
341    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * R/textdoccol.R (replaceWords): Added method to replace a set of
344            words by a single word. Useful for synonyms.
345    
346    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
349    
350    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
353            vectors. Thanks to Ariel Maguyon for his error report.
354            (removeSparseTerms): New function to remove columns from a
355            term-document matrix exceeding a sparse factor.
356    
357    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
358    
359            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
360    
361    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363            * man/sFilter.Rd: Corrected documentation on statement format (use
364            '==' instead of '=').
365    
366    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
367    
368            * R/aobjects.R (StructuredTextDocument): Inherits from
369            TextDocument.
370    
371    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
372    
373            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
374            on sparse matrices as proposed by Martin Maechler.
375    
376    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
377    
378            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
379            \pkg{filehash} version makes them deprecated.
380    
381    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
382    
383            * R/termdocmatrix.R (textvector): Stemming is now performed before
384            erasing stopwords.
385            (weightMatrix): Adapted to handle sparse matrices.
386            (TermDocMatrix): Sparse matrix is now efficiently built by
387            direct stepwise insertion of row values into it.
388    
389    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
392            due to ongoing problems. For our purposes the latter is as useful
393            as the replaced package.
394    
395    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
396    
397            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
398    
399            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
400    
401    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
402    
403            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
404            languages with available stopwords.
405    
406    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
407    
408            * inst/doc/tm.Rnw: Minor corrections in the vignette.
409    
410    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
411    
412            * DESCRIPTION: Update to version 0.2, since a lot of new features
413            have been integrated.
414    
415            * inst/stopwords: Updated existing stopwords and added stopwords
416            for various other languages.
417    
418    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
419    
420            * man/: Updated documentation.
421    
422            * Work/testDb.R: Script to test database stuff.
423    
424            * R/: Fixed various database related bugs. Seems to be rather
425            useable now, i.e., consider as alpha status for now.
426    
427    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
428    
429            * R/: Fixed some bugs related to database support.
430    
431    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
432    
433            * man/: Added a lot of examples to the manuals.
434    
435    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
436    
437            * man/: Updated parts of the documentation.
438    
439            * R/textdoccol.R (asPlain): Added conversion from newsgroup
440            documents to plain text documents.
441    
442    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
443    
444            * R/textdoccol.R: Finished experimental database support. Not yet
445            intensively tested.
446    
447            * R/source.R: Now each source has a default reader.
448    
449            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
450            class anymore.
451    
452            * R/plaintextdoc.R: Custom show method for plain text documents.
453    
454            * R/aobjects.R: Added a class for structured text documents.
455    
456            * R/reader.R: Replaced remaining \code{parser} occurrences with
457            \code{reader}.
458    
459            * R/textdoccol.R (summary): Indent tags.
460    
461            * R/textdoccol.R (removePunctuation): Transform method to remove
462            punctuation marks.
463    
464    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
465    
466            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
467            using prescindMeta().
468    
469    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
470    
471            * R/textdoccol.R: Improved database support.
472    
473    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
476    
477            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
478            language code.
479    
480            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
481            into parserControl argument.
482    
483            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
484    
485    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
486    
487            * Work/tmDataSetup.R: The datasets acq and crude can now be
488            created on the fly.
489    
490            * R/stopwords.R: Introduced a function returning the stopwords for
491            a given language (English, German and French at the moment)
492    
493            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
494            otherwise falls back to Snowball package.
495    
496    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
497    
498            * man/dissimilarity-methods.Rd: Make clear that any method offered
499            by "dists" from package "cba" can be used.
500    
501    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
502    
503            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
504            to Kurt's latex suggestion. Removed points and underscores in
505            variable names for consistent naming.
506    
507            * DESCRIPTION: Update to version 0.1-2.
508    
509            * man/TextRepository.Rd: Fixed bug in documentation.
510    
511    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
512    
513            * DESCRIPTION: Update to version 0.1-1.
514    
515    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
516    
517            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
518            wordStem.
519    
520    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
521    
522            * R/: Changes due to Kurt's review.
523    
524    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
525    
526            * R/: Implemented improvements based upon comments by David
527            Meyer.
528    
529    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
530    
531            * inst/doc/: Rewrote vignette.
532    
533            * man/: Improved documentation.
534    
535    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * man/: Updated documentation.
538    
539            * DESCRIPTION: Changed package name to "tm". Updated version to
540            0.1 for first CRAN release.
541    
542            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
543            list archive example.
544    
545            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
546            archive example.
547    
548            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
549            from (several mails per box) mbox format to (single mail per file)
550            eml format.
551    
552    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
553    
554            * data/crude.rda: Rebuilt.
555    
556            * data/acq.rda: Rebuilt.
557    
558            * R/reader.R: Factored out reader and parser methods from
559            textdoccol.R.
560    
561            * R/source.R: Factored out Source methods from aobjects.R and
562            textdoccol.R.
563            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
564            feeds.
565    
566            * R/textdoccol.R (DirSource): Added support for recursive
567            traversal of directories.
568    
569    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
570    
571            * R/textdoccol.R ([[): Loads the document corpus automatically
572            into memory upon access.
573            (tm_transform, tm_filter): Removed several checks whether the
574            document is already loaded ([[ ensures this now).
575            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
576            mailing list archive.
577    
578    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
579    
580            * R/aobjects.R (TextDocument): Is now a virtual class.
581            (Source): Is now a virtual class.
582    
583    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
584    
585            * R/textdoccol.R (c): Support for an arbitrary number of document
586            collections.
587    
588    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
591            append_meta and remove_meta.
592    
593            * R/textdoccol.R: Removed modify_metadata method.
594    
595            * R/textrepo.R: Removed modify_metadata method.
596    
597            * R/textdoccol.R (remove_meta): Supports removal of document
598            collection metadata and document (= in data frame) metadata.
599    
600    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
601    
602            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
603    
604            * data/crude.rda: Rebuilt.
605    
606            * data/acq.rda: Rebuilt.
607    
608            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
609    
610            * R/textdoccol.R ([): Bug fix for subsetting a document
611            collection's data frame.
612    
613    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
614    
615            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
616            to s_filter.
617    
618            * R/textdoccol.R: Local text documents' metadata can now be copied
619            to a document collection's data frame with prescind_meta.
620    
621    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
622    
623            * R/: Text documents' slot metadata is now accessible in s_filter.
624    
625            * R/: Rewrote s_filter function (has still some restrictions).
626    
627    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
628    
629            * R/: Various fixes in handling metadata.
630    
631            * R/: Added update mechanism for text document collections.
632    
633    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
634    
635            * R/: Merging of document collections now creates a binary tree
636            for reconstructing merged document collections.
637    
638            * R/: Redesign of metadata for document collections.
639    
640    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
641    
642            * R/: Messages now use \code{ngettext}.
643    
644    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
645    
646            * R/: Added functions for modifying and removing metadata.
647    
648    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
649    
650            * man/: Updated some documentation.
651    
652            * R/: Corrected some connection issues.
653    
654            * inst/doc: Worked on the vignette.
655    
656    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
657    
658            * inst/: Added texts and started vignette.
659    
660            * R/: Final changes based upon David's comments.
661    
662    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
663    
664            * NAMESPACE: Corrected exports (generic methods need exportMethods
665            directives!).
666    
667    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
668    
669            * R/: Modified the TextDocCol constructur and various parsers. It
670            is now modular and supports various file formats via plugins (see
671            the new "Source" class).
672    
673    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
674    
675            * man/: Revised documentation after previous code changes.
676    
677    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
678    
679            * R/: Remaining changes as discussed with David.
680    
681    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
682    
683            * R/: Some changes as suggested by David. The rest will follow
684            within the next days.
685    
686  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
687    
688          * man/: Finished documentation.          * man/: Finished documentation.

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