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trunk/R/trunk/ChangeLog revision 37, Wed Jan 11 17:49:17 2006 UTC pkg/ChangeLog revision 893, Mon Mar 2 21:58:13 2009 UTC
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1    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
2    
3            * inst/doc/tm.Rnw: Suppress pointless loading message.
4    
5    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
6    
7            * DESCRIPTION: Speed up package loading (via moving packages not
8            strictly necessary for normal operation to Suggests instead of
9            Depends).
10    
11    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/reader.R (readNewsgroup): The date format is now configurable.
14    
15    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
18    
19    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
22    
23    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
24    
25            * R/source.R (DataframeSource): New source class for data frames.
26    
27            * R/source.R: Fixed non-standard call evaluation.
28    
29    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/source.R (URISource): New source class for a single document.
32    
33    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
34    
35            * R/source.R: Refactoring.
36    
37    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
38    
39            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
40            Rmpi installations more gracefully.
41    
42    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/source.R (Source): Add Length slot.
45    
46    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/AAA.R: Unify duplicated .onLoad function.
49    
50    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
51    
52            * DESCRIPTION (Suggests): Added Rmpi.
53    
54    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/source.R (getElem): Fix 'no visible binding' warning.
57    
58            * man/WeightFunction.Rd: Fix signature.
59    
60    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/weight.R: Introduce name abbreviations for weighting functions.
63    
64    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
65    
66            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
67    
68            * R/cluster.R: Provide convenience functions for using a MPI
69            cluster.
70    
71            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
72            available.
73    
74            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
75            available.
76    
77    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
78    
79            * R/textdoccol.R (lapply): Removed debug print out.
80    
81    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/reader.R (readRCV1): Improved meta data extraction from
84            Reuters Corpus Volume 1 documents.
85    
86    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * R/transform.R: Ensure that all mappings preserve multiline
89            structures.
90    
91    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * R/filter.R: Every filter has now an attribute indicating whether
94            it sould be applied to document level (doclevel).
95    
96            * R/textdoccol.R (tmFilter): Set searchFullText as new default
97            filter.
98    
99    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/transform.R (replacePatterns): Replaced removeWords by
102            replacePatterns. Suggested by Christian Buchta.
103    
104            * R/textdoccol.R (inspect): Improved formatting.
105    
106    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * inst/CITATION: Updated JSS article information.
109    
110            * R/textdoccol.R (setAs): Added coerce method from list to
111            corpus.
112    
113            * R/meta.R (meta): Improved meta data handling.
114    
115    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
118            Christian Buchta.
119    
120            * inst/CITATION: Added template to include JSS article reference.
121    
122    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/textdoccol.R (tmMap): Introduced lazy mapping.
125    
126            * R/source.R: Added VectorSource.
127    
128    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * man/: Language codes should be in ISO 639-1 format.
131    
132            * R/textdoccol.R (asPlain): Preserve local meta data.
133    
134    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * R/textdoccol.R (writeCorpus): Function for writing a corpus
137            containing plain text documents to disk.
138    
139    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
142            always set correctly.
143    
144            * R/textdoccol.R: Set load = TRUE as default for load on demand
145            since in most cases this is the wanted behaviour.
146    
147    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
150    
151            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
152    
153    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
154    
155            * R/meta.R (meta): New function for consistent access to meta data
156            of document collections, repositories, and texts.
157    
158    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
159    
160            * R/: Better support for encodings.
161    
162    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
165            selection when no reader argument is given.
166    
167    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * R/source.R (CSVSource): Now uses read.csv instead of scan
170            internally.
171    
172    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/reader.R (getReaders): Returns available reader functions.
175    
176            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
177            as default.
178    
179    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * R/stopwords.R (stopwords): Shortened code, removed codetools
182            variable warnings.
183    
184            * man/: Documentation for showMeta, added an example for tmMap.
185    
186            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
187            some minor typos fixed.
188    
189    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/aobjects.R (showMeta): Added method for pretty printing a
192            text document's meta data.
193    
194    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * R/textdoccol.R (TextDocCol): Better handling of empty
197            arguments.
198    
199            * NAMESPACE: Exported readDOC.
200    
201            * man/completeStems.Rd: Added an example.
202    
203    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/stopwords.R (stopwords): Look up .dat files at every
206            call. Allows users to modify stopword .dat files interactively.
207    
208    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * R/termdocmatrix.R (termFreq): Correct processing of empty
211            documents.
212    
213    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * man/: Updated documentation.
216    
217    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * R/complete.R (completeStems): Completes (heuristically) word
220            stems.
221    
222            * R/termdocmatrix.R (TermDocMatrix2): New modular
223            constructor.
224    
225            * NAMESPACE: Exported termFreq.
226    
227    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
228    
229            * R/reader.R (readDOC): Added MS Word reader (using antiword).
230    
231    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
232    
233            * R/weight.R: Weighting functions for TermDocMatrix.
234    
235    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
238            functions for accessing dimension, column, and row names.
239    
240            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
241    
242    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
243    
244            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
245    
246    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
247    
248            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
249    
250    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
251    
252            * R/reader.R (readPDF): Removed manual checks for pdftotext and
253            pdfinfo. The system call gives a warning anyway.
254    
255    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * R/textdoccol.R (asPlain): Conversion from
258            StructuredTextDocuments to PlainTextDocuments.
259    
260    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
263            for accessing term-document matrices.
264    
265            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
266            are installed.
267    
268    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
271            Christian Buchta.
272    
273    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
276    
277    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
278    
279            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
280    
281            * R/reader.R (readPDF): Added PDF reader.
282    
283    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
286    
287            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
288    
289            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
290    
291            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
292    
293    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295            * R/distmeasure.R (dissimilarity): Replaced dists call from
296            package cba by new dist call from package proxy.
297    
298    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
299    
300            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
301    
302    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
303    
304            * R/termdocmatrix.R: require() uses the quietly option to suppress
305            loading messages.
306    
307    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
308    
309            * R/dictionary.R: Added dictionary support.
310    
311    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
312    
313            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
314            documents. This simplifies some functions, e.g., asPlain.
315    
316    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
317    
318            * inst/doc/tm.Rnw: Fixed some typos in vignette.
319    
320    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
321    
322            * R/textdoccol.R (replaceWords): Added method to replace a set of
323            words by a single word. Useful for synonyms.
324    
325    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
326    
327            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
328    
329    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
330    
331            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
332            vectors. Thanks to Ariel Maguyon for his error report.
333            (removeSparseTerms): New function to remove columns from a
334            term-document matrix exceeding a sparse factor.
335    
336    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
337    
338            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
339    
340    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
341    
342            * man/sFilter.Rd: Corrected documentation on statement format (use
343            '==' instead of '=').
344    
345    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
346    
347            * R/aobjects.R (StructuredTextDocument): Inherits from
348            TextDocument.
349    
350    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
353            on sparse matrices as proposed by Martin Maechler.
354    
355    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
358            \pkg{filehash} version makes them deprecated.
359    
360    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
361    
362            * R/termdocmatrix.R (textvector): Stemming is now performed before
363            erasing stopwords.
364            (weightMatrix): Adapted to handle sparse matrices.
365            (TermDocMatrix): Sparse matrix is now efficiently built by
366            direct stepwise insertion of row values into it.
367    
368    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
369    
370            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
371            due to ongoing problems. For our purposes the latter is as useful
372            as the replaced package.
373    
374    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
375    
376            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
377    
378            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
379    
380    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
381    
382            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
383            languages with available stopwords.
384    
385    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
386    
387            * inst/doc/tm.Rnw: Minor corrections in the vignette.
388    
389    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * DESCRIPTION: Update to version 0.2, since a lot of new features
392            have been integrated.
393    
394            * inst/stopwords: Updated existing stopwords and added stopwords
395            for various other languages.
396    
397    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
398    
399            * man/: Updated documentation.
400    
401            * Work/testDb.R: Script to test database stuff.
402    
403            * R/: Fixed various database related bugs. Seems to be rather
404            useable now, i.e., consider as alpha status for now.
405    
406    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
407    
408            * R/: Fixed some bugs related to database support.
409    
410    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
411    
412            * man/: Added a lot of examples to the manuals.
413    
414    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
415    
416            * man/: Updated parts of the documentation.
417    
418            * R/textdoccol.R (asPlain): Added conversion from newsgroup
419            documents to plain text documents.
420    
421    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
422    
423            * R/textdoccol.R: Finished experimental database support. Not yet
424            intensively tested.
425    
426            * R/source.R: Now each source has a default reader.
427    
428            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
429            class anymore.
430    
431            * R/plaintextdoc.R: Custom show method for plain text documents.
432    
433            * R/aobjects.R: Added a class for structured text documents.
434    
435            * R/reader.R: Replaced remaining \code{parser} occurrences with
436            \code{reader}.
437    
438            * R/textdoccol.R (summary): Indent tags.
439    
440            * R/textdoccol.R (removePunctuation): Transform method to remove
441            punctuation marks.
442    
443    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
444    
445            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
446            using prescindMeta().
447    
448    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
449    
450            * R/textdoccol.R: Improved database support.
451    
452    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
453    
454            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
455    
456            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
457            language code.
458    
459            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
460            into parserControl argument.
461    
462            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
463    
464    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
465    
466            * Work/tmDataSetup.R: The datasets acq and crude can now be
467            created on the fly.
468    
469            * R/stopwords.R: Introduced a function returning the stopwords for
470            a given language (English, German and French at the moment)
471    
472            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
473            otherwise falls back to Snowball package.
474    
475    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
476    
477            * man/dissimilarity-methods.Rd: Make clear that any method offered
478            by "dists" from package "cba" can be used.
479    
480    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
481    
482            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
483            to Kurt's latex suggestion. Removed points and underscores in
484            variable names for consistent naming.
485    
486            * DESCRIPTION: Update to version 0.1-2.
487    
488            * man/TextRepository.Rd: Fixed bug in documentation.
489    
490    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
491    
492            * DESCRIPTION: Update to version 0.1-1.
493    
494    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
495    
496            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
497            wordStem.
498    
499    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
500    
501            * R/: Changes due to Kurt's review.
502    
503    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
504    
505            * R/: Implemented improvements based upon comments by David
506            Meyer.
507    
508    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
509    
510            * inst/doc/: Rewrote vignette.
511    
512            * man/: Improved documentation.
513    
514    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * man/: Updated documentation.
517    
518            * DESCRIPTION: Changed package name to "tm". Updated version to
519            0.1 for first CRAN release.
520    
521            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
522            list archive example.
523    
524            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
525            archive example.
526    
527            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
528            from (several mails per box) mbox format to (single mail per file)
529            eml format.
530    
531    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
532    
533            * data/crude.rda: Rebuilt.
534    
535            * data/acq.rda: Rebuilt.
536    
537            * R/reader.R: Factored out reader and parser methods from
538            textdoccol.R.
539    
540            * R/source.R: Factored out Source methods from aobjects.R and
541            textdoccol.R.
542            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
543            feeds.
544    
545            * R/textdoccol.R (DirSource): Added support for recursive
546            traversal of directories.
547    
548    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
549    
550            * R/textdoccol.R ([[): Loads the document corpus automatically
551            into memory upon access.
552            (tm_transform, tm_filter): Removed several checks whether the
553            document is already loaded ([[ ensures this now).
554            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
555            mailing list archive.
556    
557    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
558    
559            * R/aobjects.R (TextDocument): Is now a virtual class.
560            (Source): Is now a virtual class.
561    
562    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
563    
564            * R/textdoccol.R (c): Support for an arbitrary number of document
565            collections.
566    
567    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
570            append_meta and remove_meta.
571    
572            * R/textdoccol.R: Removed modify_metadata method.
573    
574            * R/textrepo.R: Removed modify_metadata method.
575    
576            * R/textdoccol.R (remove_meta): Supports removal of document
577            collection metadata and document (= in data frame) metadata.
578    
579    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
580    
581            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
582    
583            * data/crude.rda: Rebuilt.
584    
585            * data/acq.rda: Rebuilt.
586    
587            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
588    
589            * R/textdoccol.R ([): Bug fix for subsetting a document
590            collection's data frame.
591    
592    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
593    
594            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
595            to s_filter.
596    
597            * R/textdoccol.R: Local text documents' metadata can now be copied
598            to a document collection's data frame with prescind_meta.
599    
600    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
601    
602            * R/: Text documents' slot metadata is now accessible in s_filter.
603    
604            * R/: Rewrote s_filter function (has still some restrictions).
605    
606    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
607    
608            * R/: Various fixes in handling metadata.
609    
610            * R/: Added update mechanism for text document collections.
611    
612    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
613    
614            * R/: Merging of document collections now creates a binary tree
615            for reconstructing merged document collections.
616    
617            * R/: Redesign of metadata for document collections.
618    
619    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
620    
621            * R/: Messages now use \code{ngettext}.
622    
623    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
624    
625            * R/: Added functions for modifying and removing metadata.
626    
627    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
628    
629            * man/: Updated some documentation.
630    
631            * R/: Corrected some connection issues.
632    
633            * inst/doc: Worked on the vignette.
634    
635    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
636    
637            * inst/: Added texts and started vignette.
638    
639            * R/: Final changes based upon David's comments.
640    
641    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
642    
643            * NAMESPACE: Corrected exports (generic methods need exportMethods
644            directives!).
645    
646    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
647    
648            * R/: Modified the TextDocCol constructur and various parsers. It
649            is now modular and supports various file formats via plugins (see
650            the new "Source" class).
651    
652    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
653    
654            * man/: Revised documentation after previous code changes.
655    
656    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
657    
658            * R/: Remaining changes as discussed with David.
659    
660    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
661    
662            * R/: Some changes as suggested by David. The rest will follow
663            within the next days.
664    
665    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
666    
667            * man/: Finished documentation.
668    
669    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
670    
671            * man/: Wrote some documentation.
672    
673    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
674    
675            * R/: Further syntactic sugar in form of additional assignment and
676            accessor methods.
677    
678    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
679    
680            * R/: Syntactic sugar in form of "length", "show" and "summary"
681            operators.
682    
683    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
684    
685            * R/: Diverse updates. Mainly on default operators ("[" or "c")
686            and dissimilarities.
687    
688    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
689    
690            * R/: Added similarity functions.
691    
692            * data/: Added english stopwords.
693    
694    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * data/: Examples compiled for new features
697    
698            * R/: Changes due to new structure.
699    
700            * NAMESPACE: Corrected namespace to reflect new structure.
701    
702            * R/termdocmatrix.R: Adapted for new naming scheme.
703    
704    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
705    
706            * R/textdoccol.R: Adapted code for new class structure. Wrote
707            several transform and filter functions operating on text document
708            collections (alias text document databases).
709    
710            * R/aobjects.R: Adapted class structure with inheritance,
711            repositories and additional meta data. Loading files on demand is
712            now possible.
713    
714    2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
715    
716            * R/: Some cosmetic cleanups.
717    
718            * inst/: Removed vignette on clustering. That and much more is now
719            described in the JSS paper on text mining. Based upon that
720            article an elaborated vignette will be incorporated in the future.
721    
722    2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
723    
724            * R/: Updated generic S4 methods to comply with signature changes
725            in newer versions of R (> 2.3)
726    
727    2006-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
728    
729            * ext/R/importRIS.R: Automatic RIS import is now possible.
730    
731    2006-02-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
732    
733            * R/textdoccol.R: Added RIS HTML input format.
734    
735    2006-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
736    
737            * R/textdoccol.R: Removed bug that caused invalid text document
738            collections when handling many input files.
739    
740  2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
741    
742          * R/textdoccol.R: Restructured and extended file import          * R/textdoccol.R: Restructured and extended file import

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