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trunk/tm/ChangeLog revision 711, Tue Jan 30 13:03:55 2007 UTC pkg/ChangeLog revision 1041, Thu Feb 18 06:15:15 2010 UTC
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1    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/complete.R (stemCompletion): New completion heuristics.
4    
5    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
8    
9    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
10    
11            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
12            setOldClass(c(..., "list")) works.
13    
14    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
15    
16            * R/transform.R (stemDocument.character): In case input is a
17            simple character just delegate to the default Snowball stemmer.
18    
19    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
22            data.
23    
24    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/doc.R (`Content<-`): Be careful with names attribute.
27    
28    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
29    
30            * R/source.R (DirSource): Improved implementation especially when
31            handling many (>1M) files.
32    
33    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
34    
35            * R/source.R (getElem.URISource): Use encoding argument.
36    
37    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
38    
39            * R/doc.R (setOldClass): Register S3 document classes to be
40            recognized by S4 methods.
41    
42    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/matrix.R (termFreq): Add option to remove punctuation
45            characters.
46    
47    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
48    
49            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
50            merging multiple term-document matrices.
51    
52    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/corpus.R (setOldClass): Register S3 corpus classes to be
55            recognized by S4 methods.
56    
57            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
58            that CRAN Mac OS X builds do not fail any longer.
59    
60    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
63            of RWeka:AlphabeticTokenizer() as default.
64    
65    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
68            caused words at the beginning or the end of a line not to be removed. Do
69            not delete whitespace anymore.
70    
71    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/source.R (DirSource): Default to working directory if no path
74            is specified.
75    
76    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
77    
78            * R/source.R (DirSource): Stop on empty directories.
79    
80    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
83            named documents.
84    
85    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/transform.R (removeWords): Improve regular expressions.
88    
89    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
90    
91            * R/meta.R (DublinCore): Allow lower case tags.
92    
93    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
94    
95            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
96            instead of x$children.
97    
98    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
101    
102    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/: Use S3 instead of S4 class system.
105    
106    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/reader.R (readMail): Moved to tm.plugin.mail package.
109    
110    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
113            postings are basically e-mails with some extra headers.
114    
115    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/transform.R: Move convertMboxEml, removeCitation,
118            removeMultipart, and removeSignature to the tm.plugin.mail package
119            since they are mainly utility functions (for handling e-mails) and
120            not very framework specific.
121    
122    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
123    
124            * man/: Fix documentation.
125    
126    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
129            plain text document instead of an XML document for texts of the
130            Reuters-21578 dataset.
131    
132            * R/sparse.R: Removed since the slam package is now available on
133            CRAN.
134    
135            * DESCRIPTION (Depends): Add slam package.
136    
137    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/transform.R (stemDoc): Fix character(0) handling.
140    
141    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/doc.R (show): Pretty print.
144    
145    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
146    
147            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
148            gracefully.
149    
150    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/corpus.R: Make corpus virtual. Implement corpus with standard
153            and permanent storage semantics.
154    
155            * DESCRIPTION: New major release. A *lot* of improvements.
156    
157    2009-05-04   Ingo Feinerer <feinerer@logic.at>
158    
159            * NAMESPACE: Export some simple_triplet_matrix functions.
160    
161    2009-04-28   Ingo Feinerer <feinerer@logic.at>
162    
163            * R/weight.R: Adapt tf-idf to new matrix format.
164    
165    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/matrix.R: Create two distinct classes for term-document and
168            document-term matrices.
169    
170    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
171    
172            * R/termdocmatrix.R: No longer use Matrix package. This reduces
173            package start-up time significantly.
174    
175    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
176    
177            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
178    
179    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
180    
181            * R/transform.R (tmReduce): Combine multiple maps into one
182            transformation.
183    
184    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/weight.R: Remove weightLogical since it does not return a
187            dgCMatrix.
188    
189            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
190            or TermDocumentMatrix instead.
191    
192    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
193    
194            * inst/doc/extensions.Rnw: Finished vignette.
195    
196    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
197    
198            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
199            DocumentTermMatrix representations.
200    
201    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
202    
203            * R/reader.R (readXML): New reader for arbitrary XML files.
204    
205    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
206    
207            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
208            (XMLSource): New XMLSource class for arbitrary XML files.
209            (Source): New slot Vectorized.
210    
211    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
212    
213            * R/reader.R (readTabular): Experimental reader for tabular data
214            structures which can be customized via user-defined mappings.
215    
216            * R/reader.R: Always use UTC time zone.
217    
218            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
219    
220    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
221    
222            * R/reader.R (readDOC): Options can be passed over to antiword.
223    
224            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
225            pdftotext.
226    
227    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
228    
229            * R/source.R (DirSource): Add pattern and ignore.case arguments
230            which are internally passed over to list.files().
231    
232    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
233    
234            * inst/doc/tm.Rnw: Suppress pointless loading message.
235    
236    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
237    
238            * DESCRIPTION: Speed up package loading (via moving packages not
239            strictly necessary for normal operation to Suggests instead of
240            Depends).
241    
242    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/reader.R (readNewsgroup): The date format is now configurable.
245    
246    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
249    
250    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
251    
252            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
253    
254    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
255    
256            * R/source.R (DataframeSource): New source class for data frames.
257    
258            * R/source.R: Fixed non-standard call evaluation.
259    
260    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/source.R (URISource): New source class for a single document.
263    
264    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
265    
266            * R/source.R: Refactoring.
267    
268    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
269    
270            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
271            Rmpi installations more gracefully.
272    
273    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
274    
275            * R/source.R (Source): Add Length slot.
276    
277    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
278    
279            * R/AAA.R: Unify duplicated .onLoad function.
280    
281    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
282    
283            * DESCRIPTION (Suggests): Added Rmpi.
284    
285    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
286    
287            * R/source.R (getElem): Fix 'no visible binding' warning.
288    
289            * man/WeightFunction.Rd: Fix signature.
290    
291    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
292    
293            * R/weight.R: Introduce name abbreviations for weighting functions.
294    
295    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
296    
297            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
298    
299            * R/cluster.R: Provide convenience functions for using a MPI
300            cluster.
301    
302            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
303            available.
304    
305            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
306            available.
307    
308    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
309    
310            * R/textdoccol.R (lapply): Removed debug print out.
311    
312    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
313    
314            * R/reader.R (readRCV1): Improved meta data extraction from
315            Reuters Corpus Volume 1 documents.
316    
317    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319            * R/transform.R: Ensure that all mappings preserve multiline
320            structures.
321    
322    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/filter.R: Every filter has now an attribute indicating whether
325            it sould be applied to document level (doclevel).
326    
327            * R/textdoccol.R (tmFilter): Set searchFullText as new default
328            filter.
329    
330    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
331    
332            * R/transform.R (replacePatterns): Replaced removeWords by
333            replacePatterns. Suggested by Christian Buchta.
334    
335            * R/textdoccol.R (inspect): Improved formatting.
336    
337    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * inst/CITATION: Updated JSS article information.
340    
341            * R/textdoccol.R (setAs): Added coerce method from list to
342            corpus.
343    
344            * R/meta.R (meta): Improved meta data handling.
345    
346    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
349            Christian Buchta.
350    
351            * inst/CITATION: Added template to include JSS article reference.
352    
353    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
354    
355            * R/textdoccol.R (tmMap): Introduced lazy mapping.
356    
357            * R/source.R: Added VectorSource.
358    
359    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
360    
361            * man/: Language codes should be in ISO 639-1 format.
362    
363            * R/textdoccol.R (asPlain): Preserve local meta data.
364    
365    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
366    
367            * R/textdoccol.R (writeCorpus): Function for writing a corpus
368            containing plain text documents to disk.
369    
370    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
371    
372            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
373            always set correctly.
374    
375            * R/textdoccol.R: Set load = TRUE as default for load on demand
376            since in most cases this is the wanted behaviour.
377    
378    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
379    
380            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
381    
382            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
383    
384    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
385    
386            * R/meta.R (meta): New function for consistent access to meta data
387            of document collections, repositories, and texts.
388    
389    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * R/: Better support for encodings.
392    
393    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
396            selection when no reader argument is given.
397    
398    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * R/source.R (CSVSource): Now uses read.csv instead of scan
401            internally.
402    
403    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
404    
405            * R/reader.R (getReaders): Returns available reader functions.
406    
407            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
408            as default.
409    
410    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
411    
412            * R/stopwords.R (stopwords): Shortened code, removed codetools
413            variable warnings.
414    
415            * man/: Documentation for showMeta, added an example for tmMap.
416    
417            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
418            some minor typos fixed.
419    
420    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
421    
422            * R/aobjects.R (showMeta): Added method for pretty printing a
423            text document's meta data.
424    
425    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
426    
427            * R/textdoccol.R (TextDocCol): Better handling of empty
428            arguments.
429    
430            * NAMESPACE: Exported readDOC.
431    
432            * man/completeStems.Rd: Added an example.
433    
434    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
435    
436            * R/stopwords.R (stopwords): Look up .dat files at every
437            call. Allows users to modify stopword .dat files interactively.
438    
439    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
440    
441            * R/termdocmatrix.R (termFreq): Correct processing of empty
442            documents.
443    
444    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
445    
446            * man/: Updated documentation.
447    
448    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
449    
450            * R/complete.R (completeStems): Completes (heuristically) word
451            stems.
452    
453            * R/termdocmatrix.R (TermDocMatrix2): New modular
454            constructor.
455    
456            * NAMESPACE: Exported termFreq.
457    
458    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
459    
460            * R/reader.R (readDOC): Added MS Word reader (using antiword).
461    
462    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
463    
464            * R/weight.R: Weighting functions for TermDocMatrix.
465    
466    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
467    
468            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
469            functions for accessing dimension, column, and row names.
470    
471            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
472    
473    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
476    
477    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
478    
479            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
480    
481    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * R/reader.R (readPDF): Removed manual checks for pdftotext and
484            pdfinfo. The system call gives a warning anyway.
485    
486    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
487    
488            * R/textdoccol.R (asPlain): Conversion from
489            StructuredTextDocuments to PlainTextDocuments.
490    
491    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
492    
493            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
494            for accessing term-document matrices.
495    
496            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
497            are installed.
498    
499    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
500    
501            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
502            Christian Buchta.
503    
504    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
505    
506            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
507    
508    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
509    
510            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
511    
512            * R/reader.R (readPDF): Added PDF reader.
513    
514    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
517    
518            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
519    
520            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
521    
522            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
523    
524    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
525    
526            * R/distmeasure.R (dissimilarity): Replaced dists call from
527            package cba by new dist call from package proxy.
528    
529    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
530    
531            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
532    
533    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
534    
535            * R/termdocmatrix.R: require() uses the quietly option to suppress
536            loading messages.
537    
538    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
539    
540            * R/dictionary.R: Added dictionary support.
541    
542    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
543    
544            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
545            documents. This simplifies some functions, e.g., asPlain.
546    
547    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
548    
549            * inst/doc/tm.Rnw: Fixed some typos in vignette.
550    
551    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
552    
553            * R/textdoccol.R (replaceWords): Added method to replace a set of
554            words by a single word. Useful for synonyms.
555    
556    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
557    
558            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
559    
560    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
561    
562            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
563            vectors. Thanks to Ariel Maguyon for his error report.
564            (removeSparseTerms): New function to remove columns from a
565            term-document matrix exceeding a sparse factor.
566    
567    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
570    
571    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
572    
573            * man/sFilter.Rd: Corrected documentation on statement format (use
574            '==' instead of '=').
575    
576    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
577    
578            * R/aobjects.R (StructuredTextDocument): Inherits from
579            TextDocument.
580    
581    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
582    
583            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
584            on sparse matrices as proposed by Martin Maechler.
585    
586    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
587    
588            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
589            \pkg{filehash} version makes them deprecated.
590    
591    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
592    
593            * R/termdocmatrix.R (textvector): Stemming is now performed before
594            erasing stopwords.
595            (weightMatrix): Adapted to handle sparse matrices.
596            (TermDocMatrix): Sparse matrix is now efficiently built by
597            direct stepwise insertion of row values into it.
598    
599    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
600    
601            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
602            due to ongoing problems. For our purposes the latter is as useful
603            as the replaced package.
604    
605    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
608    
609            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
610    
611    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
612    
613            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
614            languages with available stopwords.
615    
616    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
617    
618            * inst/doc/tm.Rnw: Minor corrections in the vignette.
619    
620    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * DESCRIPTION: Update to version 0.2, since a lot of new features
623            have been integrated.
624    
625            * inst/stopwords: Updated existing stopwords and added stopwords
626            for various other languages.
627    
628    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
629    
630            * man/: Updated documentation.
631    
632            * Work/testDb.R: Script to test database stuff.
633    
634            * R/: Fixed various database related bugs. Seems to be rather
635            useable now, i.e., consider as alpha status for now.
636    
637    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
638    
639            * R/: Fixed some bugs related to database support.
640    
641    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
642    
643            * man/: Added a lot of examples to the manuals.
644    
645    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
646    
647            * man/: Updated parts of the documentation.
648    
649            * R/textdoccol.R (asPlain): Added conversion from newsgroup
650            documents to plain text documents.
651    
652    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
653    
654            * R/textdoccol.R: Finished experimental database support. Not yet
655            intensively tested.
656    
657            * R/source.R: Now each source has a default reader.
658    
659            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
660            class anymore.
661    
662            * R/plaintextdoc.R: Custom show method for plain text documents.
663    
664            * R/aobjects.R: Added a class for structured text documents.
665    
666            * R/reader.R: Replaced remaining \code{parser} occurrences with
667            \code{reader}.
668    
669            * R/textdoccol.R (summary): Indent tags.
670    
671            * R/textdoccol.R (removePunctuation): Transform method to remove
672            punctuation marks.
673    
674    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
675    
676            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
677            using prescindMeta().
678    
679    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
680    
681            * R/textdoccol.R: Improved database support.
682    
683    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
684    
685            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
686    
687            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
688            language code.
689    
690            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
691            into parserControl argument.
692    
693            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
694    
695    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
696    
697            * Work/tmDataSetup.R: The datasets acq and crude can now be
698            created on the fly.
699    
700            * R/stopwords.R: Introduced a function returning the stopwords for
701            a given language (English, German and French at the moment)
702    
703            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
704            otherwise falls back to Snowball package.
705    
706  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
707    
708          * man/dissimilarity-methods.Rd: Make clear that any method offered          * man/dissimilarity-methods.Rd: Make clear that any method offered

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