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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 925, Fri Apr 3 17:39:44 2009 UTC
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1    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/weight.R: Remove weightLogical since it does not return a
4            dgCMatrix.
5    
6            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
7            or TermDocumentMatrix instead.
8    
9    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
10    
11            * inst/doc/extensions.Rnw: Finished vignette.
12    
13    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
14    
15            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
16            DocumentTermMatrix representations.
17    
18    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
19    
20            * R/reader.R (readXML): New reader for arbitrary XML files.
21    
22    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
23    
24            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
25            (XMLSource): New XMLSource class for arbitrary XML files.
26            (Source): New slot Vectorized.
27    
28    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/reader.R (readCustom): Experimental reader which can be
31            customized via user-defined mappings.
32    
33            * R/reader.R: Always use UTC time zone.
34    
35            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
36    
37    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
38    
39            * R/reader.R (readDOC): Options can be passed over to antiword.
40    
41            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
42            pdftotext.
43    
44    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/source.R (DirSource): Add pattern and ignore.case arguments
47            which are internally passed over to list.files().
48    
49    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
50    
51            * inst/doc/tm.Rnw: Suppress pointless loading message.
52    
53    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
54    
55            * DESCRIPTION: Speed up package loading (via moving packages not
56            strictly necessary for normal operation to Suggests instead of
57            Depends).
58    
59    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
60    
61            * R/reader.R (readNewsgroup): The date format is now configurable.
62    
63    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
66    
67    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
70    
71    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/source.R (DataframeSource): New source class for data frames.
74    
75            * R/source.R: Fixed non-standard call evaluation.
76    
77    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
78    
79            * R/source.R (URISource): New source class for a single document.
80    
81    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
82    
83            * R/source.R: Refactoring.
84    
85    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
88            Rmpi installations more gracefully.
89    
90    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
91    
92            * R/source.R (Source): Add Length slot.
93    
94    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
95    
96            * R/AAA.R: Unify duplicated .onLoad function.
97    
98    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
99    
100            * DESCRIPTION (Suggests): Added Rmpi.
101    
102    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/source.R (getElem): Fix 'no visible binding' warning.
105    
106            * man/WeightFunction.Rd: Fix signature.
107    
108    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/weight.R: Introduce name abbreviations for weighting functions.
111    
112    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
115    
116            * R/cluster.R: Provide convenience functions for using a MPI
117            cluster.
118    
119            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
120            available.
121    
122            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
123            available.
124    
125    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
126    
127            * R/textdoccol.R (lapply): Removed debug print out.
128    
129    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * R/reader.R (readRCV1): Improved meta data extraction from
132            Reuters Corpus Volume 1 documents.
133    
134    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * R/transform.R: Ensure that all mappings preserve multiline
137            structures.
138    
139    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/filter.R: Every filter has now an attribute indicating whether
142            it sould be applied to document level (doclevel).
143    
144            * R/textdoccol.R (tmFilter): Set searchFullText as new default
145            filter.
146    
147    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * R/transform.R (replacePatterns): Replaced removeWords by
150            replacePatterns. Suggested by Christian Buchta.
151    
152            * R/textdoccol.R (inspect): Improved formatting.
153    
154    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * inst/CITATION: Updated JSS article information.
157    
158            * R/textdoccol.R (setAs): Added coerce method from list to
159            corpus.
160    
161            * R/meta.R (meta): Improved meta data handling.
162    
163    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
164    
165            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
166            Christian Buchta.
167    
168            * inst/CITATION: Added template to include JSS article reference.
169    
170    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * R/textdoccol.R (tmMap): Introduced lazy mapping.
173    
174            * R/source.R: Added VectorSource.
175    
176    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
177    
178            * man/: Language codes should be in ISO 639-1 format.
179    
180            * R/textdoccol.R (asPlain): Preserve local meta data.
181    
182    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * R/textdoccol.R (writeCorpus): Function for writing a corpus
185            containing plain text documents to disk.
186    
187    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
190            always set correctly.
191    
192            * R/textdoccol.R: Set load = TRUE as default for load on demand
193            since in most cases this is the wanted behaviour.
194    
195    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
196    
197            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
198    
199            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
200    
201    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
202    
203            * R/meta.R (meta): New function for consistent access to meta data
204            of document collections, repositories, and texts.
205    
206    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
207    
208            * R/: Better support for encodings.
209    
210    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
211    
212            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
213            selection when no reader argument is given.
214    
215    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217            * R/source.R (CSVSource): Now uses read.csv instead of scan
218            internally.
219    
220    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * R/reader.R (getReaders): Returns available reader functions.
223    
224            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
225            as default.
226    
227    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
228    
229            * R/stopwords.R (stopwords): Shortened code, removed codetools
230            variable warnings.
231    
232            * man/: Documentation for showMeta, added an example for tmMap.
233    
234            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
235            some minor typos fixed.
236    
237    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
238    
239            * R/aobjects.R (showMeta): Added method for pretty printing a
240            text document's meta data.
241    
242    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
243    
244            * R/textdoccol.R (TextDocCol): Better handling of empty
245            arguments.
246    
247            * NAMESPACE: Exported readDOC.
248    
249            * man/completeStems.Rd: Added an example.
250    
251    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * R/stopwords.R (stopwords): Look up .dat files at every
254            call. Allows users to modify stopword .dat files interactively.
255    
256    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
257    
258            * R/termdocmatrix.R (termFreq): Correct processing of empty
259            documents.
260    
261    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
262    
263            * man/: Updated documentation.
264    
265    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
266    
267            * R/complete.R (completeStems): Completes (heuristically) word
268            stems.
269    
270            * R/termdocmatrix.R (TermDocMatrix2): New modular
271            constructor.
272    
273            * NAMESPACE: Exported termFreq.
274    
275    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
276    
277            * R/reader.R (readDOC): Added MS Word reader (using antiword).
278    
279    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
280    
281            * R/weight.R: Weighting functions for TermDocMatrix.
282    
283    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
286            functions for accessing dimension, column, and row names.
287    
288            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
289    
290    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
291    
292            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
293    
294    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
297    
298    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
299    
300            * R/reader.R (readPDF): Removed manual checks for pdftotext and
301            pdfinfo. The system call gives a warning anyway.
302    
303    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
304    
305            * R/textdoccol.R (asPlain): Conversion from
306            StructuredTextDocuments to PlainTextDocuments.
307    
308    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
309    
310            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
311            for accessing term-document matrices.
312    
313            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
314            are installed.
315    
316    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
317    
318            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
319            Christian Buchta.
320    
321    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
322    
323            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
324    
325    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
326    
327            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
328    
329            * R/reader.R (readPDF): Added PDF reader.
330    
331    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
332    
333            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
334    
335            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
336    
337            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
338    
339            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
340    
341    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * R/distmeasure.R (dissimilarity): Replaced dists call from
344            package cba by new dist call from package proxy.
345    
346    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
349    
350    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/termdocmatrix.R: require() uses the quietly option to suppress
353            loading messages.
354    
355    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * R/dictionary.R: Added dictionary support.
358    
359    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
360    
361            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
362            documents. This simplifies some functions, e.g., asPlain.
363    
364    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * inst/doc/tm.Rnw: Fixed some typos in vignette.
367    
368    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
369    
370            * R/textdoccol.R (replaceWords): Added method to replace a set of
371            words by a single word. Useful for synonyms.
372    
373    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
374    
375            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
376    
377    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
378    
379            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
380            vectors. Thanks to Ariel Maguyon for his error report.
381            (removeSparseTerms): New function to remove columns from a
382            term-document matrix exceeding a sparse factor.
383    
384    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
385    
386            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
387    
388    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
389    
390            * man/sFilter.Rd: Corrected documentation on statement format (use
391            '==' instead of '=').
392    
393    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * R/aobjects.R (StructuredTextDocument): Inherits from
396            TextDocument.
397    
398    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
401            on sparse matrices as proposed by Martin Maechler.
402    
403    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
404    
405            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
406            \pkg{filehash} version makes them deprecated.
407    
408    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
409    
410            * R/termdocmatrix.R (textvector): Stemming is now performed before
411            erasing stopwords.
412            (weightMatrix): Adapted to handle sparse matrices.
413            (TermDocMatrix): Sparse matrix is now efficiently built by
414            direct stepwise insertion of row values into it.
415    
416    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
419            due to ongoing problems. For our purposes the latter is as useful
420            as the replaced package.
421    
422    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
423    
424            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
425    
426            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
427    
428    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
429    
430            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
431            languages with available stopwords.
432    
433    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
434    
435            * inst/doc/tm.Rnw: Minor corrections in the vignette.
436    
437    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
438    
439            * DESCRIPTION: Update to version 0.2, since a lot of new features
440            have been integrated.
441    
442            * inst/stopwords: Updated existing stopwords and added stopwords
443            for various other languages.
444    
445    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
446    
447            * man/: Updated documentation.
448    
449            * Work/testDb.R: Script to test database stuff.
450    
451            * R/: Fixed various database related bugs. Seems to be rather
452            useable now, i.e., consider as alpha status for now.
453    
454    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * R/: Fixed some bugs related to database support.
457    
458    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
459    
460            * man/: Added a lot of examples to the manuals.
461    
462    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
463    
464            * man/: Updated parts of the documentation.
465    
466            * R/textdoccol.R (asPlain): Added conversion from newsgroup
467            documents to plain text documents.
468    
469    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
470    
471            * R/textdoccol.R: Finished experimental database support. Not yet
472            intensively tested.
473    
474            * R/source.R: Now each source has a default reader.
475    
476            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
477            class anymore.
478    
479            * R/plaintextdoc.R: Custom show method for plain text documents.
480    
481            * R/aobjects.R: Added a class for structured text documents.
482    
483            * R/reader.R: Replaced remaining \code{parser} occurrences with
484            \code{reader}.
485    
486            * R/textdoccol.R (summary): Indent tags.
487    
488            * R/textdoccol.R (removePunctuation): Transform method to remove
489            punctuation marks.
490    
491    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
492    
493            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
494            using prescindMeta().
495    
496    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
497    
498            * R/textdoccol.R: Improved database support.
499    
500    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
501    
502            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
503    
504            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
505            language code.
506    
507            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
508            into parserControl argument.
509    
510            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
511    
512    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
513    
514            * Work/tmDataSetup.R: The datasets acq and crude can now be
515            created on the fly.
516    
517            * R/stopwords.R: Introduced a function returning the stopwords for
518            a given language (English, German and French at the moment)
519    
520            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
521            otherwise falls back to Snowball package.
522    
523    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
524    
525            * man/dissimilarity-methods.Rd: Make clear that any method offered
526            by "dists" from package "cba" can be used.
527    
528    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
529    
530            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
531            to Kurt's latex suggestion. Removed points and underscores in
532            variable names for consistent naming.
533    
534            * DESCRIPTION: Update to version 0.1-2.
535    
536            * man/TextRepository.Rd: Fixed bug in documentation.
537    
538    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
539    
540            * DESCRIPTION: Update to version 0.1-1.
541    
542    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
543    
544            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
545            wordStem.
546    
547    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
548    
549            * R/: Changes due to Kurt's review.
550    
551    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
552    
553            * R/: Implemented improvements based upon comments by David
554            Meyer.
555    
556    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
557    
558            * inst/doc/: Rewrote vignette.
559    
560            * man/: Improved documentation.
561    
562    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
563    
564            * man/: Updated documentation.
565    
566            * DESCRIPTION: Changed package name to "tm". Updated version to
567            0.1 for first CRAN release.
568    
569            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
570            list archive example.
571    
572            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
573            archive example.
574    
575            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
576            from (several mails per box) mbox format to (single mail per file)
577            eml format.
578    
579    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
580    
581            * data/crude.rda: Rebuilt.
582    
583            * data/acq.rda: Rebuilt.
584    
585            * R/reader.R: Factored out reader and parser methods from
586            textdoccol.R.
587    
588            * R/source.R: Factored out Source methods from aobjects.R and
589            textdoccol.R.
590            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
591            feeds.
592    
593            * R/textdoccol.R (DirSource): Added support for recursive
594            traversal of directories.
595    
596    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
597    
598            * R/textdoccol.R ([[): Loads the document corpus automatically
599            into memory upon access.
600            (tm_transform, tm_filter): Removed several checks whether the
601            document is already loaded ([[ ensures this now).
602            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
603            mailing list archive.
604    
605    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * R/aobjects.R (TextDocument): Is now a virtual class.
608            (Source): Is now a virtual class.
609    
610    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
611    
612            * R/textdoccol.R (c): Support for an arbitrary number of document
613            collections.
614    
615    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
616    
617            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
618            append_meta and remove_meta.
619    
620            * R/textdoccol.R: Removed modify_metadata method.
621    
622            * R/textrepo.R: Removed modify_metadata method.
623    
624            * R/textdoccol.R (remove_meta): Supports removal of document
625            collection metadata and document (= in data frame) metadata.
626    
627    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
628    
629            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
630    
631            * data/crude.rda: Rebuilt.
632    
633            * data/acq.rda: Rebuilt.
634    
635            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
636    
637            * R/textdoccol.R ([): Bug fix for subsetting a document
638            collection's data frame.
639    
640    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
641    
642            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
643            to s_filter.
644    
645            * R/textdoccol.R: Local text documents' metadata can now be copied
646            to a document collection's data frame with prescind_meta.
647    
648    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
649    
650            * R/: Text documents' slot metadata is now accessible in s_filter.
651    
652            * R/: Rewrote s_filter function (has still some restrictions).
653    
654    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
655    
656            * R/: Various fixes in handling metadata.
657    
658            * R/: Added update mechanism for text document collections.
659    
660    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
661    
662            * R/: Merging of document collections now creates a binary tree
663            for reconstructing merged document collections.
664    
665            * R/: Redesign of metadata for document collections.
666    
667    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
668    
669            * R/: Messages now use \code{ngettext}.
670    
671    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
672    
673            * R/: Added functions for modifying and removing metadata.
674    
675    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
676    
677            * man/: Updated some documentation.
678    
679            * R/: Corrected some connection issues.
680    
681            * inst/doc: Worked on the vignette.
682    
683    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
684    
685            * inst/: Added texts and started vignette.
686    
687            * R/: Final changes based upon David's comments.
688    
689    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
690    
691            * NAMESPACE: Corrected exports (generic methods need exportMethods
692            directives!).
693    
694    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * R/: Modified the TextDocCol constructur and various parsers. It
697            is now modular and supports various file formats via plugins (see
698            the new "Source" class).
699    
700    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
701    
702            * man/: Revised documentation after previous code changes.
703    
704    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
705    
706            * R/: Remaining changes as discussed with David.
707    
708    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
709    
710            * R/: Some changes as suggested by David. The rest will follow
711            within the next days.
712    
713  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
714    
715          * man/: Finished documentation.          * man/: Finished documentation.

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