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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 926, Sat Apr 4 06:50:02 2009 UTC
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1    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/transform.R (tmReduce): Combine multiple maps into one
4            transformation.
5    
6    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/weight.R: Remove weightLogical since it does not return a
9            dgCMatrix.
10    
11            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
12            or TermDocumentMatrix instead.
13    
14    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
15    
16            * inst/doc/extensions.Rnw: Finished vignette.
17    
18    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
19    
20            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
21            DocumentTermMatrix representations.
22    
23    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
24    
25            * R/reader.R (readXML): New reader for arbitrary XML files.
26    
27    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
28    
29            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
30            (XMLSource): New XMLSource class for arbitrary XML files.
31            (Source): New slot Vectorized.
32    
33    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
34    
35            * R/reader.R (readCustom): Experimental reader which can be
36            customized via user-defined mappings.
37    
38            * R/reader.R: Always use UTC time zone.
39    
40            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
41    
42    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/reader.R (readDOC): Options can be passed over to antiword.
45    
46            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
47            pdftotext.
48    
49    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/source.R (DirSource): Add pattern and ignore.case arguments
52            which are internally passed over to list.files().
53    
54    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
55    
56            * inst/doc/tm.Rnw: Suppress pointless loading message.
57    
58    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
59    
60            * DESCRIPTION: Speed up package loading (via moving packages not
61            strictly necessary for normal operation to Suggests instead of
62            Depends).
63    
64    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
65    
66            * R/reader.R (readNewsgroup): The date format is now configurable.
67    
68    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
71    
72    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
73    
74            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
75    
76    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
77    
78            * R/source.R (DataframeSource): New source class for data frames.
79    
80            * R/source.R: Fixed non-standard call evaluation.
81    
82    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
83    
84            * R/source.R (URISource): New source class for a single document.
85    
86    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/source.R: Refactoring.
89    
90    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
91    
92            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
93            Rmpi installations more gracefully.
94    
95    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/source.R (Source): Add Length slot.
98    
99    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
100    
101            * R/AAA.R: Unify duplicated .onLoad function.
102    
103    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
104    
105            * DESCRIPTION (Suggests): Added Rmpi.
106    
107    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/source.R (getElem): Fix 'no visible binding' warning.
110    
111            * man/WeightFunction.Rd: Fix signature.
112    
113    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
114    
115            * R/weight.R: Introduce name abbreviations for weighting functions.
116    
117    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
120    
121            * R/cluster.R: Provide convenience functions for using a MPI
122            cluster.
123    
124            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
125            available.
126    
127            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
128            available.
129    
130    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
131    
132            * R/textdoccol.R (lapply): Removed debug print out.
133    
134    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * R/reader.R (readRCV1): Improved meta data extraction from
137            Reuters Corpus Volume 1 documents.
138    
139    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/transform.R: Ensure that all mappings preserve multiline
142            structures.
143    
144    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * R/filter.R: Every filter has now an attribute indicating whether
147            it sould be applied to document level (doclevel).
148    
149            * R/textdoccol.R (tmFilter): Set searchFullText as new default
150            filter.
151    
152    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * R/transform.R (replacePatterns): Replaced removeWords by
155            replacePatterns. Suggested by Christian Buchta.
156    
157            * R/textdoccol.R (inspect): Improved formatting.
158    
159    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * inst/CITATION: Updated JSS article information.
162    
163            * R/textdoccol.R (setAs): Added coerce method from list to
164            corpus.
165    
166            * R/meta.R (meta): Improved meta data handling.
167    
168    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
171            Christian Buchta.
172    
173            * inst/CITATION: Added template to include JSS article reference.
174    
175    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/textdoccol.R (tmMap): Introduced lazy mapping.
178    
179            * R/source.R: Added VectorSource.
180    
181    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
182    
183            * man/: Language codes should be in ISO 639-1 format.
184    
185            * R/textdoccol.R (asPlain): Preserve local meta data.
186    
187    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * R/textdoccol.R (writeCorpus): Function for writing a corpus
190            containing plain text documents to disk.
191    
192    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
193    
194            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
195            always set correctly.
196    
197            * R/textdoccol.R: Set load = TRUE as default for load on demand
198            since in most cases this is the wanted behaviour.
199    
200    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
201    
202            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
203    
204            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
205    
206    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
207    
208            * R/meta.R (meta): New function for consistent access to meta data
209            of document collections, repositories, and texts.
210    
211    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
212    
213            * R/: Better support for encodings.
214    
215    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
218            selection when no reader argument is given.
219    
220    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * R/source.R (CSVSource): Now uses read.csv instead of scan
223            internally.
224    
225    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
226    
227            * R/reader.R (getReaders): Returns available reader functions.
228    
229            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
230            as default.
231    
232    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * R/stopwords.R (stopwords): Shortened code, removed codetools
235            variable warnings.
236    
237            * man/: Documentation for showMeta, added an example for tmMap.
238    
239            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
240            some minor typos fixed.
241    
242    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
243    
244            * R/aobjects.R (showMeta): Added method for pretty printing a
245            text document's meta data.
246    
247    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * R/textdoccol.R (TextDocCol): Better handling of empty
250            arguments.
251    
252            * NAMESPACE: Exported readDOC.
253    
254            * man/completeStems.Rd: Added an example.
255    
256    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
257    
258            * R/stopwords.R (stopwords): Look up .dat files at every
259            call. Allows users to modify stopword .dat files interactively.
260    
261    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
262    
263            * R/termdocmatrix.R (termFreq): Correct processing of empty
264            documents.
265    
266    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
267    
268            * man/: Updated documentation.
269    
270    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * R/complete.R (completeStems): Completes (heuristically) word
273            stems.
274    
275            * R/termdocmatrix.R (TermDocMatrix2): New modular
276            constructor.
277    
278            * NAMESPACE: Exported termFreq.
279    
280    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
281    
282            * R/reader.R (readDOC): Added MS Word reader (using antiword).
283    
284    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286            * R/weight.R: Weighting functions for TermDocMatrix.
287    
288    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
291            functions for accessing dimension, column, and row names.
292    
293            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
294    
295    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
298    
299    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
302    
303    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
304    
305            * R/reader.R (readPDF): Removed manual checks for pdftotext and
306            pdfinfo. The system call gives a warning anyway.
307    
308    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
309    
310            * R/textdoccol.R (asPlain): Conversion from
311            StructuredTextDocuments to PlainTextDocuments.
312    
313    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
316            for accessing term-document matrices.
317    
318            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
319            are installed.
320    
321    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
322    
323            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
324            Christian Buchta.
325    
326    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
329    
330    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
331    
332            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
333    
334            * R/reader.R (readPDF): Added PDF reader.
335    
336    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
337    
338            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
339    
340            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
341    
342            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
343    
344            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
345    
346    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * R/distmeasure.R (dissimilarity): Replaced dists call from
349            package cba by new dist call from package proxy.
350    
351    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
352    
353            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
354    
355    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * R/termdocmatrix.R: require() uses the quietly option to suppress
358            loading messages.
359    
360    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
361    
362            * R/dictionary.R: Added dictionary support.
363    
364    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
367            documents. This simplifies some functions, e.g., asPlain.
368    
369    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
370    
371            * inst/doc/tm.Rnw: Fixed some typos in vignette.
372    
373    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
374    
375            * R/textdoccol.R (replaceWords): Added method to replace a set of
376            words by a single word. Useful for synonyms.
377    
378    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
379    
380            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
381    
382    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
383    
384            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
385            vectors. Thanks to Ariel Maguyon for his error report.
386            (removeSparseTerms): New function to remove columns from a
387            term-document matrix exceeding a sparse factor.
388    
389    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
392    
393    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * man/sFilter.Rd: Corrected documentation on statement format (use
396            '==' instead of '=').
397    
398    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * R/aobjects.R (StructuredTextDocument): Inherits from
401            TextDocument.
402    
403    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
404    
405            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
406            on sparse matrices as proposed by Martin Maechler.
407    
408    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
409    
410            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
411            \pkg{filehash} version makes them deprecated.
412    
413    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
414    
415            * R/termdocmatrix.R (textvector): Stemming is now performed before
416            erasing stopwords.
417            (weightMatrix): Adapted to handle sparse matrices.
418            (TermDocMatrix): Sparse matrix is now efficiently built by
419            direct stepwise insertion of row values into it.
420    
421    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
422    
423            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
424            due to ongoing problems. For our purposes the latter is as useful
425            as the replaced package.
426    
427    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
428    
429            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
430    
431            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
432    
433    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
434    
435            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
436            languages with available stopwords.
437    
438    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
439    
440            * inst/doc/tm.Rnw: Minor corrections in the vignette.
441    
442    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
443    
444            * DESCRIPTION: Update to version 0.2, since a lot of new features
445            have been integrated.
446    
447            * inst/stopwords: Updated existing stopwords and added stopwords
448            for various other languages.
449    
450    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
451    
452            * man/: Updated documentation.
453    
454            * Work/testDb.R: Script to test database stuff.
455    
456            * R/: Fixed various database related bugs. Seems to be rather
457            useable now, i.e., consider as alpha status for now.
458    
459    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
460    
461            * R/: Fixed some bugs related to database support.
462    
463    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
464    
465            * man/: Added a lot of examples to the manuals.
466    
467    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
468    
469            * man/: Updated parts of the documentation.
470    
471            * R/textdoccol.R (asPlain): Added conversion from newsgroup
472            documents to plain text documents.
473    
474    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
475    
476            * R/textdoccol.R: Finished experimental database support. Not yet
477            intensively tested.
478    
479            * R/source.R: Now each source has a default reader.
480    
481            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
482            class anymore.
483    
484            * R/plaintextdoc.R: Custom show method for plain text documents.
485    
486            * R/aobjects.R: Added a class for structured text documents.
487    
488            * R/reader.R: Replaced remaining \code{parser} occurrences with
489            \code{reader}.
490    
491            * R/textdoccol.R (summary): Indent tags.
492    
493            * R/textdoccol.R (removePunctuation): Transform method to remove
494            punctuation marks.
495    
496    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
497    
498            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
499            using prescindMeta().
500    
501    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
502    
503            * R/textdoccol.R: Improved database support.
504    
505    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
506    
507            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
508    
509            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
510            language code.
511    
512            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
513            into parserControl argument.
514    
515            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
516    
517    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
518    
519            * Work/tmDataSetup.R: The datasets acq and crude can now be
520            created on the fly.
521    
522            * R/stopwords.R: Introduced a function returning the stopwords for
523            a given language (English, German and French at the moment)
524    
525            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
526            otherwise falls back to Snowball package.
527    
528    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
529    
530            * man/dissimilarity-methods.Rd: Make clear that any method offered
531            by "dists" from package "cba" can be used.
532    
533    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
534    
535            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
536            to Kurt's latex suggestion. Removed points and underscores in
537            variable names for consistent naming.
538    
539            * DESCRIPTION: Update to version 0.1-2.
540    
541            * man/TextRepository.Rd: Fixed bug in documentation.
542    
543    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
544    
545            * DESCRIPTION: Update to version 0.1-1.
546    
547    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
548    
549            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
550            wordStem.
551    
552    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
553    
554            * R/: Changes due to Kurt's review.
555    
556    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
557    
558            * R/: Implemented improvements based upon comments by David
559            Meyer.
560    
561    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
562    
563            * inst/doc/: Rewrote vignette.
564    
565            * man/: Improved documentation.
566    
567    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * man/: Updated documentation.
570    
571            * DESCRIPTION: Changed package name to "tm". Updated version to
572            0.1 for first CRAN release.
573    
574            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
575            list archive example.
576    
577            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
578            archive example.
579    
580            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
581            from (several mails per box) mbox format to (single mail per file)
582            eml format.
583    
584    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
585    
586            * data/crude.rda: Rebuilt.
587    
588            * data/acq.rda: Rebuilt.
589    
590            * R/reader.R: Factored out reader and parser methods from
591            textdoccol.R.
592    
593            * R/source.R: Factored out Source methods from aobjects.R and
594            textdoccol.R.
595            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
596            feeds.
597    
598            * R/textdoccol.R (DirSource): Added support for recursive
599            traversal of directories.
600    
601    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
602    
603            * R/textdoccol.R ([[): Loads the document corpus automatically
604            into memory upon access.
605            (tm_transform, tm_filter): Removed several checks whether the
606            document is already loaded ([[ ensures this now).
607            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
608            mailing list archive.
609    
610    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
611    
612            * R/aobjects.R (TextDocument): Is now a virtual class.
613            (Source): Is now a virtual class.
614    
615    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
616    
617            * R/textdoccol.R (c): Support for an arbitrary number of document
618            collections.
619    
620    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
623            append_meta and remove_meta.
624    
625            * R/textdoccol.R: Removed modify_metadata method.
626    
627            * R/textrepo.R: Removed modify_metadata method.
628    
629            * R/textdoccol.R (remove_meta): Supports removal of document
630            collection metadata and document (= in data frame) metadata.
631    
632    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
633    
634            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
635    
636            * data/crude.rda: Rebuilt.
637    
638            * data/acq.rda: Rebuilt.
639    
640            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
641    
642            * R/textdoccol.R ([): Bug fix for subsetting a document
643            collection's data frame.
644    
645    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
646    
647            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
648            to s_filter.
649    
650            * R/textdoccol.R: Local text documents' metadata can now be copied
651            to a document collection's data frame with prescind_meta.
652    
653    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
654    
655            * R/: Text documents' slot metadata is now accessible in s_filter.
656    
657            * R/: Rewrote s_filter function (has still some restrictions).
658    
659    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
660    
661            * R/: Various fixes in handling metadata.
662    
663            * R/: Added update mechanism for text document collections.
664    
665    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
666    
667            * R/: Merging of document collections now creates a binary tree
668            for reconstructing merged document collections.
669    
670            * R/: Redesign of metadata for document collections.
671    
672    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
673    
674            * R/: Messages now use \code{ngettext}.
675    
676    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
677    
678            * R/: Added functions for modifying and removing metadata.
679    
680    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
681    
682            * man/: Updated some documentation.
683    
684            * R/: Corrected some connection issues.
685    
686            * inst/doc: Worked on the vignette.
687    
688    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
689    
690            * inst/: Added texts and started vignette.
691    
692            * R/: Final changes based upon David's comments.
693    
694    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * NAMESPACE: Corrected exports (generic methods need exportMethods
697            directives!).
698    
699    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * R/: Modified the TextDocCol constructur and various parsers. It
702            is now modular and supports various file formats via plugins (see
703            the new "Source" class).
704    
705    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
706    
707            * man/: Revised documentation after previous code changes.
708    
709    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
710    
711            * R/: Remaining changes as discussed with David.
712    
713    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
714    
715            * R/: Some changes as suggested by David. The rest will follow
716            within the next days.
717    
718  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
719    
720          * man/: Finished documentation.          * man/: Finished documentation.

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