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trunk/R/trunk/ChangeLog revision 34, Thu Dec 22 15:18:10 2005 UTC pkg/tm/ChangeLog revision 884, Wed Jan 28 10:24:27 2009 UTC
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1    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readNewsgroup): The date format is now configurable.
4    
5    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
8    
9    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
10    
11            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
12    
13    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
14    
15            * R/source.R (DataframeSource): New source class for data frames.
16    
17            * R/source.R: Fixed non-standard call evaluation.
18    
19    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/source.R (URISource): New source class for a single document.
22    
23    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
24    
25            * R/source.R: Refactoring.
26    
27    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
28    
29            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
30            Rmpi installations more gracefully.
31    
32    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
33    
34            * R/source.R (Source): Add Length slot.
35    
36    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/AAA.R: Unify duplicated .onLoad function.
39    
40    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
41    
42            * DESCRIPTION (Suggests): Added Rmpi.
43    
44    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/source.R (getElem): Fix 'no visible binding' warning.
47    
48            * man/WeightFunction.Rd: Fix signature.
49    
50    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/weight.R: Introduce name abbreviations for weighting functions.
53    
54    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
57    
58            * R/cluster.R: Provide convenience functions for using a MPI
59            cluster.
60    
61            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
62            available.
63    
64            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
65            available.
66    
67    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/textdoccol.R (lapply): Removed debug print out.
70    
71    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * R/reader.R (readRCV1): Improved meta data extraction from
74            Reuters Corpus Volume 1 documents.
75    
76    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
77    
78            * R/transform.R: Ensure that all mappings preserve multiline
79            structures.
80    
81    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/filter.R: Every filter has now an attribute indicating whether
84            it sould be applied to document level (doclevel).
85    
86            * R/textdoccol.R (tmFilter): Set searchFullText as new default
87            filter.
88    
89    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/transform.R (replacePatterns): Replaced removeWords by
92            replacePatterns. Suggested by Christian Buchta.
93    
94            * R/textdoccol.R (inspect): Improved formatting.
95    
96    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * inst/CITATION: Updated JSS article information.
99    
100            * R/textdoccol.R (setAs): Added coerce method from list to
101            corpus.
102    
103            * R/meta.R (meta): Improved meta data handling.
104    
105    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
108            Christian Buchta.
109    
110            * inst/CITATION: Added template to include JSS article reference.
111    
112    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * R/textdoccol.R (tmMap): Introduced lazy mapping.
115    
116            * R/source.R: Added VectorSource.
117    
118    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * man/: Language codes should be in ISO 639-1 format.
121    
122            * R/textdoccol.R (asPlain): Preserve local meta data.
123    
124    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/textdoccol.R (writeCorpus): Function for writing a corpus
127            containing plain text documents to disk.
128    
129    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
132            always set correctly.
133    
134            * R/textdoccol.R: Set load = TRUE as default for load on demand
135            since in most cases this is the wanted behaviour.
136    
137    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
140    
141            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
142    
143    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * R/meta.R (meta): New function for consistent access to meta data
146            of document collections, repositories, and texts.
147    
148    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * R/: Better support for encodings.
151    
152    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
155            selection when no reader argument is given.
156    
157    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
158    
159            * R/source.R (CSVSource): Now uses read.csv instead of scan
160            internally.
161    
162    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * R/reader.R (getReaders): Returns available reader functions.
165    
166            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
167            as default.
168    
169    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * R/stopwords.R (stopwords): Shortened code, removed codetools
172            variable warnings.
173    
174            * man/: Documentation for showMeta, added an example for tmMap.
175    
176            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
177            some minor typos fixed.
178    
179    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * R/aobjects.R (showMeta): Added method for pretty printing a
182            text document's meta data.
183    
184    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/textdoccol.R (TextDocCol): Better handling of empty
187            arguments.
188    
189            * NAMESPACE: Exported readDOC.
190    
191            * man/completeStems.Rd: Added an example.
192    
193    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/stopwords.R (stopwords): Look up .dat files at every
196            call. Allows users to modify stopword .dat files interactively.
197    
198    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/termdocmatrix.R (termFreq): Correct processing of empty
201            documents.
202    
203    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * man/: Updated documentation.
206    
207    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/complete.R (completeStems): Completes (heuristically) word
210            stems.
211    
212            * R/termdocmatrix.R (TermDocMatrix2): New modular
213            constructor.
214    
215            * NAMESPACE: Exported termFreq.
216    
217    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * R/reader.R (readDOC): Added MS Word reader (using antiword).
220    
221    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/weight.R: Weighting functions for TermDocMatrix.
224    
225    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
226    
227            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
228            functions for accessing dimension, column, and row names.
229    
230            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
231    
232    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
235    
236    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
239    
240    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/reader.R (readPDF): Removed manual checks for pdftotext and
243            pdfinfo. The system call gives a warning anyway.
244    
245    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * R/textdoccol.R (asPlain): Conversion from
248            StructuredTextDocuments to PlainTextDocuments.
249    
250    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
251    
252            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
253            for accessing term-document matrices.
254    
255            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
256            are installed.
257    
258    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
261            Christian Buchta.
262    
263    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
266    
267    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
268    
269            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
270    
271            * R/reader.R (readPDF): Added PDF reader.
272    
273    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
276    
277            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
278    
279            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
280    
281            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
282    
283    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/distmeasure.R (dissimilarity): Replaced dists call from
286            package cba by new dist call from package proxy.
287    
288    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
291    
292    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
293    
294            * R/termdocmatrix.R: require() uses the quietly option to suppress
295            loading messages.
296    
297    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
298    
299            * R/dictionary.R: Added dictionary support.
300    
301    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
302    
303            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
304            documents. This simplifies some functions, e.g., asPlain.
305    
306    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
307    
308            * inst/doc/tm.Rnw: Fixed some typos in vignette.
309    
310    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
311    
312            * R/textdoccol.R (replaceWords): Added method to replace a set of
313            words by a single word. Useful for synonyms.
314    
315    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
316    
317            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
318    
319    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
322            vectors. Thanks to Ariel Maguyon for his error report.
323            (removeSparseTerms): New function to remove columns from a
324            term-document matrix exceeding a sparse factor.
325    
326    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
329    
330    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
331    
332            * man/sFilter.Rd: Corrected documentation on statement format (use
333            '==' instead of '=').
334    
335    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
336    
337            * R/aobjects.R (StructuredTextDocument): Inherits from
338            TextDocument.
339    
340    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
341    
342            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
343            on sparse matrices as proposed by Martin Maechler.
344    
345    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
346    
347            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
348            \pkg{filehash} version makes them deprecated.
349    
350    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/termdocmatrix.R (textvector): Stemming is now performed before
353            erasing stopwords.
354            (weightMatrix): Adapted to handle sparse matrices.
355            (TermDocMatrix): Sparse matrix is now efficiently built by
356            direct stepwise insertion of row values into it.
357    
358    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
359    
360            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
361            due to ongoing problems. For our purposes the latter is as useful
362            as the replaced package.
363    
364    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
367    
368            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
369    
370    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
371    
372            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
373            languages with available stopwords.
374    
375    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
376    
377            * inst/doc/tm.Rnw: Minor corrections in the vignette.
378    
379    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
380    
381            * DESCRIPTION: Update to version 0.2, since a lot of new features
382            have been integrated.
383    
384            * inst/stopwords: Updated existing stopwords and added stopwords
385            for various other languages.
386    
387    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
388    
389            * man/: Updated documentation.
390    
391            * Work/testDb.R: Script to test database stuff.
392    
393            * R/: Fixed various database related bugs. Seems to be rather
394            useable now, i.e., consider as alpha status for now.
395    
396    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
397    
398            * R/: Fixed some bugs related to database support.
399    
400    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
401    
402            * man/: Added a lot of examples to the manuals.
403    
404    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
405    
406            * man/: Updated parts of the documentation.
407    
408            * R/textdoccol.R (asPlain): Added conversion from newsgroup
409            documents to plain text documents.
410    
411    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * R/textdoccol.R: Finished experimental database support. Not yet
414            intensively tested.
415    
416            * R/source.R: Now each source has a default reader.
417    
418            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
419            class anymore.
420    
421            * R/plaintextdoc.R: Custom show method for plain text documents.
422    
423            * R/aobjects.R: Added a class for structured text documents.
424    
425            * R/reader.R: Replaced remaining \code{parser} occurrences with
426            \code{reader}.
427    
428            * R/textdoccol.R (summary): Indent tags.
429    
430            * R/textdoccol.R (removePunctuation): Transform method to remove
431            punctuation marks.
432    
433    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
434    
435            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
436            using prescindMeta().
437    
438    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
439    
440            * R/textdoccol.R: Improved database support.
441    
442    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
443    
444            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
445    
446            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
447            language code.
448    
449            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
450            into parserControl argument.
451    
452            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
453    
454    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * Work/tmDataSetup.R: The datasets acq and crude can now be
457            created on the fly.
458    
459            * R/stopwords.R: Introduced a function returning the stopwords for
460            a given language (English, German and French at the moment)
461    
462            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
463            otherwise falls back to Snowball package.
464    
465    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
466    
467            * man/dissimilarity-methods.Rd: Make clear that any method offered
468            by "dists" from package "cba" can be used.
469    
470    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
471    
472            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
473            to Kurt's latex suggestion. Removed points and underscores in
474            variable names for consistent naming.
475    
476            * DESCRIPTION: Update to version 0.1-2.
477    
478            * man/TextRepository.Rd: Fixed bug in documentation.
479    
480    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
481    
482            * DESCRIPTION: Update to version 0.1-1.
483    
484    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
485    
486            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
487            wordStem.
488    
489    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
490    
491            * R/: Changes due to Kurt's review.
492    
493    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
494    
495            * R/: Implemented improvements based upon comments by David
496            Meyer.
497    
498    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
499    
500            * inst/doc/: Rewrote vignette.
501    
502            * man/: Improved documentation.
503    
504    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
505    
506            * man/: Updated documentation.
507    
508            * DESCRIPTION: Changed package name to "tm". Updated version to
509            0.1 for first CRAN release.
510    
511            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
512            list archive example.
513    
514            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
515            archive example.
516    
517            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
518            from (several mails per box) mbox format to (single mail per file)
519            eml format.
520    
521    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
522    
523            * data/crude.rda: Rebuilt.
524    
525            * data/acq.rda: Rebuilt.
526    
527            * R/reader.R: Factored out reader and parser methods from
528            textdoccol.R.
529    
530            * R/source.R: Factored out Source methods from aobjects.R and
531            textdoccol.R.
532            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
533            feeds.
534    
535            * R/textdoccol.R (DirSource): Added support for recursive
536            traversal of directories.
537    
538    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
539    
540            * R/textdoccol.R ([[): Loads the document corpus automatically
541            into memory upon access.
542            (tm_transform, tm_filter): Removed several checks whether the
543            document is already loaded ([[ ensures this now).
544            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
545            mailing list archive.
546    
547    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
548    
549            * R/aobjects.R (TextDocument): Is now a virtual class.
550            (Source): Is now a virtual class.
551    
552    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
553    
554            * R/textdoccol.R (c): Support for an arbitrary number of document
555            collections.
556    
557    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
558    
559            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
560            append_meta and remove_meta.
561    
562            * R/textdoccol.R: Removed modify_metadata method.
563    
564            * R/textrepo.R: Removed modify_metadata method.
565    
566            * R/textdoccol.R (remove_meta): Supports removal of document
567            collection metadata and document (= in data frame) metadata.
568    
569    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
570    
571            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
572    
573            * data/crude.rda: Rebuilt.
574    
575            * data/acq.rda: Rebuilt.
576    
577            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
578    
579            * R/textdoccol.R ([): Bug fix for subsetting a document
580            collection's data frame.
581    
582    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
583    
584            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
585            to s_filter.
586    
587            * R/textdoccol.R: Local text documents' metadata can now be copied
588            to a document collection's data frame with prescind_meta.
589    
590    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
591    
592            * R/: Text documents' slot metadata is now accessible in s_filter.
593    
594            * R/: Rewrote s_filter function (has still some restrictions).
595    
596    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
597    
598            * R/: Various fixes in handling metadata.
599    
600            * R/: Added update mechanism for text document collections.
601    
602    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
603    
604            * R/: Merging of document collections now creates a binary tree
605            for reconstructing merged document collections.
606    
607            * R/: Redesign of metadata for document collections.
608    
609    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
610    
611            * R/: Messages now use \code{ngettext}.
612    
613    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
614    
615            * R/: Added functions for modifying and removing metadata.
616    
617    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
618    
619            * man/: Updated some documentation.
620    
621            * R/: Corrected some connection issues.
622    
623            * inst/doc: Worked on the vignette.
624    
625    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
626    
627            * inst/: Added texts and started vignette.
628    
629            * R/: Final changes based upon David's comments.
630    
631    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
632    
633            * NAMESPACE: Corrected exports (generic methods need exportMethods
634            directives!).
635    
636    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
637    
638            * R/: Modified the TextDocCol constructur and various parsers. It
639            is now modular and supports various file formats via plugins (see
640            the new "Source" class).
641    
642    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
643    
644            * man/: Revised documentation after previous code changes.
645    
646    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
647    
648            * R/: Remaining changes as discussed with David.
649    
650    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
651    
652            * R/: Some changes as suggested by David. The rest will follow
653            within the next days.
654    
655    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
656    
657            * man/: Finished documentation.
658    
659    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
660    
661            * man/: Wrote some documentation.
662    
663    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
664    
665            * R/: Further syntactic sugar in form of additional assignment and
666            accessor methods.
667    
668    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
669    
670            * R/: Syntactic sugar in form of "length", "show" and "summary"
671            operators.
672    
673    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
674    
675            * R/: Diverse updates. Mainly on default operators ("[" or "c")
676            and dissimilarities.
677    
678    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
679    
680            * R/: Added similarity functions.
681    
682            * data/: Added english stopwords.
683    
684    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
685    
686            * data/: Examples compiled for new features
687    
688            * R/: Changes due to new structure.
689    
690            * NAMESPACE: Corrected namespace to reflect new structure.
691    
692            * R/termdocmatrix.R: Adapted for new naming scheme.
693    
694    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * R/textdoccol.R: Adapted code for new class structure. Wrote
697            several transform and filter functions operating on text document
698            collections (alias text document databases).
699    
700            * R/aobjects.R: Adapted class structure with inheritance,
701            repositories and additional meta data. Loading files on demand is
702            now possible.
703    
704    2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
705    
706            * R/: Some cosmetic cleanups.
707    
708            * inst/: Removed vignette on clustering. That and much more is now
709            described in the JSS paper on text mining. Based upon that
710            article an elaborated vignette will be incorporated in the future.
711    
712    2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
713    
714            * R/: Updated generic S4 methods to comply with signature changes
715            in newer versions of R (> 2.3)
716    
717    2006-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
718    
719            * ext/R/importRIS.R: Automatic RIS import is now possible.
720    
721    2006-02-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
722    
723            * R/textdoccol.R: Added RIS HTML input format.
724    
725    2006-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
726    
727            * R/textdoccol.R: Removed bug that caused invalid text document
728            collections when handling many input files.
729    
730    2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
731    
732            * R/textdoccol.R: Restructured and extended file import
733            mechanism.
734    
735            * inst/doc/clustering.Rnw: Adapted vignette for use with
736            ReutNews.rda
737    
738            * man/ReutNews.Rd: Documentation for ReutNews.rda
739    
740            * data/ReutNews.rda: A tiny Reuters21578 example data set.
741    
742  2005-12-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2005-12-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
743    
744          * inst/doc/clustering.Rnw: Wrote a small vignette to present the          * inst/doc/clustering.Rnw: Wrote a small vignette to present the

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