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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 957, Fri Jun 12 12:47:57 2009 UTC
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1    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/doc.R (show): Pretty print.
4    
5    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
8            gracefully.
9    
10    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/corpus.R: Make corpus virtual. Implement corpus with standard
13            and permanent storage semantics.
14    
15            * DESCRIPTION: New major release. A *lot* of improvements.
16    
17    2009-05-04   Ingo Feinerer <feinerer@logic.at>
18    
19            * NAMESPACE: Export some simple_triplet_matrix functions.
20    
21    2009-04-28   Ingo Feinerer <feinerer@logic.at>
22    
23            * R/weight.R: Adapt tf-idf to new matrix format.
24    
25    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/matrix.R: Create two distinct classes for term-document and
28            document-term matrices.
29    
30    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/termdocmatrix.R: No longer use Matrix package. This reduces
33            package start-up time significantly.
34    
35    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
36    
37            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
38    
39    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/transform.R (tmReduce): Combine multiple maps into one
42            transformation.
43    
44    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/weight.R: Remove weightLogical since it does not return a
47            dgCMatrix.
48    
49            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
50            or TermDocumentMatrix instead.
51    
52    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
53    
54            * inst/doc/extensions.Rnw: Finished vignette.
55    
56    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
59            DocumentTermMatrix representations.
60    
61    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/reader.R (readXML): New reader for arbitrary XML files.
64    
65    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
68            (XMLSource): New XMLSource class for arbitrary XML files.
69            (Source): New slot Vectorized.
70    
71    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/reader.R (readTabular): Experimental reader for tabular data
74            structures which can be customized via user-defined mappings.
75    
76            * R/reader.R: Always use UTC time zone.
77    
78            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
79    
80    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/reader.R (readDOC): Options can be passed over to antiword.
83    
84            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
85            pdftotext.
86    
87    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/source.R (DirSource): Add pattern and ignore.case arguments
90            which are internally passed over to list.files().
91    
92    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
93    
94            * inst/doc/tm.Rnw: Suppress pointless loading message.
95    
96    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
97    
98            * DESCRIPTION: Speed up package loading (via moving packages not
99            strictly necessary for normal operation to Suggests instead of
100            Depends).
101    
102    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/reader.R (readNewsgroup): The date format is now configurable.
105    
106    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
109    
110    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
113    
114    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
115    
116            * R/source.R (DataframeSource): New source class for data frames.
117    
118            * R/source.R: Fixed non-standard call evaluation.
119    
120    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/source.R (URISource): New source class for a single document.
123    
124    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/source.R: Refactoring.
127    
128    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
129    
130            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
131            Rmpi installations more gracefully.
132    
133    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/source.R (Source): Add Length slot.
136    
137    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/AAA.R: Unify duplicated .onLoad function.
140    
141    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
142    
143            * DESCRIPTION (Suggests): Added Rmpi.
144    
145    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
146    
147            * R/source.R (getElem): Fix 'no visible binding' warning.
148    
149            * man/WeightFunction.Rd: Fix signature.
150    
151    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/weight.R: Introduce name abbreviations for weighting functions.
154    
155    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
158    
159            * R/cluster.R: Provide convenience functions for using a MPI
160            cluster.
161    
162            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
163            available.
164    
165            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
166            available.
167    
168    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
169    
170            * R/textdoccol.R (lapply): Removed debug print out.
171    
172    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/reader.R (readRCV1): Improved meta data extraction from
175            Reuters Corpus Volume 1 documents.
176    
177    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
178    
179            * R/transform.R: Ensure that all mappings preserve multiline
180            structures.
181    
182    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * R/filter.R: Every filter has now an attribute indicating whether
185            it sould be applied to document level (doclevel).
186    
187            * R/textdoccol.R (tmFilter): Set searchFullText as new default
188            filter.
189    
190    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * R/transform.R (replacePatterns): Replaced removeWords by
193            replacePatterns. Suggested by Christian Buchta.
194    
195            * R/textdoccol.R (inspect): Improved formatting.
196    
197    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * inst/CITATION: Updated JSS article information.
200    
201            * R/textdoccol.R (setAs): Added coerce method from list to
202            corpus.
203    
204            * R/meta.R (meta): Improved meta data handling.
205    
206    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
207    
208            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
209            Christian Buchta.
210    
211            * inst/CITATION: Added template to include JSS article reference.
212    
213    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * R/textdoccol.R (tmMap): Introduced lazy mapping.
216    
217            * R/source.R: Added VectorSource.
218    
219    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
220    
221            * man/: Language codes should be in ISO 639-1 format.
222    
223            * R/textdoccol.R (asPlain): Preserve local meta data.
224    
225    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
226    
227            * R/textdoccol.R (writeCorpus): Function for writing a corpus
228            containing plain text documents to disk.
229    
230    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
233            always set correctly.
234    
235            * R/textdoccol.R: Set load = TRUE as default for load on demand
236            since in most cases this is the wanted behaviour.
237    
238    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
239    
240            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
241    
242            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
243    
244    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
245    
246            * R/meta.R (meta): New function for consistent access to meta data
247            of document collections, repositories, and texts.
248    
249    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/: Better support for encodings.
252    
253    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
256            selection when no reader argument is given.
257    
258    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * R/source.R (CSVSource): Now uses read.csv instead of scan
261            internally.
262    
263    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * R/reader.R (getReaders): Returns available reader functions.
266    
267            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
268            as default.
269    
270    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * R/stopwords.R (stopwords): Shortened code, removed codetools
273            variable warnings.
274    
275            * man/: Documentation for showMeta, added an example for tmMap.
276    
277            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
278            some minor typos fixed.
279    
280    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
281    
282            * R/aobjects.R (showMeta): Added method for pretty printing a
283            text document's meta data.
284    
285    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
286    
287            * R/textdoccol.R (TextDocCol): Better handling of empty
288            arguments.
289    
290            * NAMESPACE: Exported readDOC.
291    
292            * man/completeStems.Rd: Added an example.
293    
294    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * R/stopwords.R (stopwords): Look up .dat files at every
297            call. Allows users to modify stopword .dat files interactively.
298    
299    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/termdocmatrix.R (termFreq): Correct processing of empty
302            documents.
303    
304    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * man/: Updated documentation.
307    
308    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
309    
310            * R/complete.R (completeStems): Completes (heuristically) word
311            stems.
312    
313            * R/termdocmatrix.R (TermDocMatrix2): New modular
314            constructor.
315    
316            * NAMESPACE: Exported termFreq.
317    
318    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
319    
320            * R/reader.R (readDOC): Added MS Word reader (using antiword).
321    
322    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/weight.R: Weighting functions for TermDocMatrix.
325    
326    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
329            functions for accessing dimension, column, and row names.
330    
331            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
332    
333    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
334    
335            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
336    
337    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
340    
341    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * R/reader.R (readPDF): Removed manual checks for pdftotext and
344            pdfinfo. The system call gives a warning anyway.
345    
346    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * R/textdoccol.R (asPlain): Conversion from
349            StructuredTextDocuments to PlainTextDocuments.
350    
351    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
352    
353            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
354            for accessing term-document matrices.
355    
356            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
357            are installed.
358    
359    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
360    
361            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
362            Christian Buchta.
363    
364    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
367    
368    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
369    
370            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
371    
372            * R/reader.R (readPDF): Added PDF reader.
373    
374    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
375    
376            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
377    
378            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
379    
380            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
381    
382            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
383    
384    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
385    
386            * R/distmeasure.R (dissimilarity): Replaced dists call from
387            package cba by new dist call from package proxy.
388    
389    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
392    
393    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * R/termdocmatrix.R: require() uses the quietly option to suppress
396            loading messages.
397    
398    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * R/dictionary.R: Added dictionary support.
401    
402    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
403    
404            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
405            documents. This simplifies some functions, e.g., asPlain.
406    
407    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
408    
409            * inst/doc/tm.Rnw: Fixed some typos in vignette.
410    
411    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * R/textdoccol.R (replaceWords): Added method to replace a set of
414            words by a single word. Useful for synonyms.
415    
416    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
419    
420    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
421    
422            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
423            vectors. Thanks to Ariel Maguyon for his error report.
424            (removeSparseTerms): New function to remove columns from a
425            term-document matrix exceeding a sparse factor.
426    
427    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
428    
429            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
430    
431    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
432    
433            * man/sFilter.Rd: Corrected documentation on statement format (use
434            '==' instead of '=').
435    
436    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
437    
438            * R/aobjects.R (StructuredTextDocument): Inherits from
439            TextDocument.
440    
441    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
442    
443            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
444            on sparse matrices as proposed by Martin Maechler.
445    
446    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
447    
448            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
449            \pkg{filehash} version makes them deprecated.
450    
451    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
452    
453            * R/termdocmatrix.R (textvector): Stemming is now performed before
454            erasing stopwords.
455            (weightMatrix): Adapted to handle sparse matrices.
456            (TermDocMatrix): Sparse matrix is now efficiently built by
457            direct stepwise insertion of row values into it.
458    
459    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
460    
461            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
462            due to ongoing problems. For our purposes the latter is as useful
463            as the replaced package.
464    
465    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
466    
467            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
468    
469            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
470    
471    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
472    
473            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
474            languages with available stopwords.
475    
476    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
477    
478            * inst/doc/tm.Rnw: Minor corrections in the vignette.
479    
480    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
481    
482            * DESCRIPTION: Update to version 0.2, since a lot of new features
483            have been integrated.
484    
485            * inst/stopwords: Updated existing stopwords and added stopwords
486            for various other languages.
487    
488    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
489    
490            * man/: Updated documentation.
491    
492            * Work/testDb.R: Script to test database stuff.
493    
494            * R/: Fixed various database related bugs. Seems to be rather
495            useable now, i.e., consider as alpha status for now.
496    
497    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
498    
499            * R/: Fixed some bugs related to database support.
500    
501    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
502    
503            * man/: Added a lot of examples to the manuals.
504    
505    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
506    
507            * man/: Updated parts of the documentation.
508    
509            * R/textdoccol.R (asPlain): Added conversion from newsgroup
510            documents to plain text documents.
511    
512    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
513    
514            * R/textdoccol.R: Finished experimental database support. Not yet
515            intensively tested.
516    
517            * R/source.R: Now each source has a default reader.
518    
519            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
520            class anymore.
521    
522            * R/plaintextdoc.R: Custom show method for plain text documents.
523    
524            * R/aobjects.R: Added a class for structured text documents.
525    
526            * R/reader.R: Replaced remaining \code{parser} occurrences with
527            \code{reader}.
528    
529            * R/textdoccol.R (summary): Indent tags.
530    
531            * R/textdoccol.R (removePunctuation): Transform method to remove
532            punctuation marks.
533    
534    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
535    
536            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
537            using prescindMeta().
538    
539    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
540    
541            * R/textdoccol.R: Improved database support.
542    
543    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
544    
545            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
546    
547            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
548            language code.
549    
550            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
551            into parserControl argument.
552    
553            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
554    
555    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
556    
557            * Work/tmDataSetup.R: The datasets acq and crude can now be
558            created on the fly.
559    
560            * R/stopwords.R: Introduced a function returning the stopwords for
561            a given language (English, German and French at the moment)
562    
563            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
564            otherwise falls back to Snowball package.
565    
566    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
567    
568            * man/dissimilarity-methods.Rd: Make clear that any method offered
569            by "dists" from package "cba" can be used.
570    
571    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
572    
573            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
574            to Kurt's latex suggestion. Removed points and underscores in
575            variable names for consistent naming.
576    
577            * DESCRIPTION: Update to version 0.1-2.
578    
579            * man/TextRepository.Rd: Fixed bug in documentation.
580    
581    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
582    
583            * DESCRIPTION: Update to version 0.1-1.
584    
585    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
586    
587            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
588            wordStem.
589    
590    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
591    
592            * R/: Changes due to Kurt's review.
593    
594    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
595    
596            * R/: Implemented improvements based upon comments by David
597            Meyer.
598    
599    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
600    
601            * inst/doc/: Rewrote vignette.
602    
603            * man/: Improved documentation.
604    
605    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * man/: Updated documentation.
608    
609            * DESCRIPTION: Changed package name to "tm". Updated version to
610            0.1 for first CRAN release.
611    
612            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
613            list archive example.
614    
615            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
616            archive example.
617    
618            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
619            from (several mails per box) mbox format to (single mail per file)
620            eml format.
621    
622    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
623    
624            * data/crude.rda: Rebuilt.
625    
626            * data/acq.rda: Rebuilt.
627    
628            * R/reader.R: Factored out reader and parser methods from
629            textdoccol.R.
630    
631            * R/source.R: Factored out Source methods from aobjects.R and
632            textdoccol.R.
633            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
634            feeds.
635    
636            * R/textdoccol.R (DirSource): Added support for recursive
637            traversal of directories.
638    
639    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
640    
641            * R/textdoccol.R ([[): Loads the document corpus automatically
642            into memory upon access.
643            (tm_transform, tm_filter): Removed several checks whether the
644            document is already loaded ([[ ensures this now).
645            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
646            mailing list archive.
647    
648    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
649    
650            * R/aobjects.R (TextDocument): Is now a virtual class.
651            (Source): Is now a virtual class.
652    
653    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
654    
655            * R/textdoccol.R (c): Support for an arbitrary number of document
656            collections.
657    
658    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
659    
660            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
661            append_meta and remove_meta.
662    
663            * R/textdoccol.R: Removed modify_metadata method.
664    
665            * R/textrepo.R: Removed modify_metadata method.
666    
667            * R/textdoccol.R (remove_meta): Supports removal of document
668            collection metadata and document (= in data frame) metadata.
669    
670    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
671    
672            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
673    
674            * data/crude.rda: Rebuilt.
675    
676            * data/acq.rda: Rebuilt.
677    
678            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
679    
680            * R/textdoccol.R ([): Bug fix for subsetting a document
681            collection's data frame.
682    
683    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
684    
685            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
686            to s_filter.
687    
688            * R/textdoccol.R: Local text documents' metadata can now be copied
689            to a document collection's data frame with prescind_meta.
690    
691    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
692    
693            * R/: Text documents' slot metadata is now accessible in s_filter.
694    
695            * R/: Rewrote s_filter function (has still some restrictions).
696    
697    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
698    
699            * R/: Various fixes in handling metadata.
700    
701            * R/: Added update mechanism for text document collections.
702    
703    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
704    
705            * R/: Merging of document collections now creates a binary tree
706            for reconstructing merged document collections.
707    
708            * R/: Redesign of metadata for document collections.
709    
710    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
711    
712            * R/: Messages now use \code{ngettext}.
713    
714    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
715    
716            * R/: Added functions for modifying and removing metadata.
717    
718    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
719    
720            * man/: Updated some documentation.
721    
722            * R/: Corrected some connection issues.
723    
724            * inst/doc: Worked on the vignette.
725    
726    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
727    
728            * inst/: Added texts and started vignette.
729    
730            * R/: Final changes based upon David's comments.
731    
732    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
733    
734            * NAMESPACE: Corrected exports (generic methods need exportMethods
735            directives!).
736    
737    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
738    
739            * R/: Modified the TextDocCol constructur and various parsers. It
740            is now modular and supports various file formats via plugins (see
741            the new "Source" class).
742    
743    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
744    
745            * man/: Revised documentation after previous code changes.
746    
747    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
748    
749            * R/: Remaining changes as discussed with David.
750    
751    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
752    
753            * R/: Some changes as suggested by David. The rest will follow
754            within the next days.
755    
756  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758          * man/: Finished documentation.          * man/: Finished documentation.

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