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trunk/tm/ChangeLog revision 704, Fri Jan 12 10:05:15 2007 UTC pkg/ChangeLog revision 1038, Fri Jan 15 12:12:41 2010 UTC
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1    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
4            data.
5    
6    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/doc.R (`Content<-`): Be careful with names attribute.
9    
10    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
11    
12            * R/source.R (DirSource): Improved implementation especially when
13            handling many (>1M) files.
14    
15    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/source.R (getElem.URISource): Use encoding argument.
18    
19    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/doc.R (setOldClass): Register S3 document classes to be
22            recognized by S4 methods.
23    
24    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/matrix.R (termFreq): Add option to remove punctuation
27            characters.
28    
29    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
32            merging multiple term-document matrices.
33    
34    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
35    
36            * R/corpus.R (setOldClass): Register S3 corpus classes to be
37            recognized by S4 methods.
38    
39            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
40            that CRAN Mac OS X builds do not fail any longer.
41    
42    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
45            of RWeka:AlphabeticTokenizer() as default.
46    
47    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
48    
49            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
50            caused words at the beginning or the end of a line not to be removed. Do
51            not delete whitespace anymore.
52    
53    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/source.R (DirSource): Default to working directory if no path
56            is specified.
57    
58    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/source.R (DirSource): Stop on empty directories.
61    
62    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
63    
64            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
65            named documents.
66    
67    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/transform.R (removeWords): Improve regular expressions.
70    
71    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/meta.R (DublinCore): Allow lower case tags.
74    
75    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
76    
77            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
78            instead of x$children.
79    
80    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
83    
84    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
85    
86            * R/: Use S3 instead of S4 class system.
87    
88    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/reader.R (readMail): Moved to tm.plugin.mail package.
91    
92    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
95            postings are basically e-mails with some extra headers.
96    
97    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/transform.R: Move convertMboxEml, removeCitation,
100            removeMultipart, and removeSignature to the tm.plugin.mail package
101            since they are mainly utility functions (for handling e-mails) and
102            not very framework specific.
103    
104    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
105    
106            * man/: Fix documentation.
107    
108    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
111            plain text document instead of an XML document for texts of the
112            Reuters-21578 dataset.
113    
114            * R/sparse.R: Removed since the slam package is now available on
115            CRAN.
116    
117            * DESCRIPTION (Depends): Add slam package.
118    
119    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
120    
121            * R/transform.R (stemDoc): Fix character(0) handling.
122    
123    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
124    
125            * R/doc.R (show): Pretty print.
126    
127    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
130            gracefully.
131    
132    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/corpus.R: Make corpus virtual. Implement corpus with standard
135            and permanent storage semantics.
136    
137            * DESCRIPTION: New major release. A *lot* of improvements.
138    
139    2009-05-04   Ingo Feinerer <feinerer@logic.at>
140    
141            * NAMESPACE: Export some simple_triplet_matrix functions.
142    
143    2009-04-28   Ingo Feinerer <feinerer@logic.at>
144    
145            * R/weight.R: Adapt tf-idf to new matrix format.
146    
147    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/matrix.R: Create two distinct classes for term-document and
150            document-term matrices.
151    
152    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/termdocmatrix.R: No longer use Matrix package. This reduces
155            package start-up time significantly.
156    
157    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
158    
159            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
160    
161    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/transform.R (tmReduce): Combine multiple maps into one
164            transformation.
165    
166    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/weight.R: Remove weightLogical since it does not return a
169            dgCMatrix.
170    
171            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
172            or TermDocumentMatrix instead.
173    
174    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
175    
176            * inst/doc/extensions.Rnw: Finished vignette.
177    
178    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
179    
180            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
181            DocumentTermMatrix representations.
182    
183    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
184    
185            * R/reader.R (readXML): New reader for arbitrary XML files.
186    
187    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
190            (XMLSource): New XMLSource class for arbitrary XML files.
191            (Source): New slot Vectorized.
192    
193    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
194    
195            * R/reader.R (readTabular): Experimental reader for tabular data
196            structures which can be customized via user-defined mappings.
197    
198            * R/reader.R: Always use UTC time zone.
199    
200            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
201    
202    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
203    
204            * R/reader.R (readDOC): Options can be passed over to antiword.
205    
206            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
207            pdftotext.
208    
209    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
210    
211            * R/source.R (DirSource): Add pattern and ignore.case arguments
212            which are internally passed over to list.files().
213    
214    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
215    
216            * inst/doc/tm.Rnw: Suppress pointless loading message.
217    
218    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
219    
220            * DESCRIPTION: Speed up package loading (via moving packages not
221            strictly necessary for normal operation to Suggests instead of
222            Depends).
223    
224    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
225    
226            * R/reader.R (readNewsgroup): The date format is now configurable.
227    
228    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
229    
230            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
231    
232    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
233    
234            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
235    
236    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
237    
238            * R/source.R (DataframeSource): New source class for data frames.
239    
240            * R/source.R: Fixed non-standard call evaluation.
241    
242    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/source.R (URISource): New source class for a single document.
245    
246    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/source.R: Refactoring.
249    
250    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
251    
252            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
253            Rmpi installations more gracefully.
254    
255    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/source.R (Source): Add Length slot.
258    
259    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
260    
261            * R/AAA.R: Unify duplicated .onLoad function.
262    
263    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
264    
265            * DESCRIPTION (Suggests): Added Rmpi.
266    
267    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
268    
269            * R/source.R (getElem): Fix 'no visible binding' warning.
270    
271            * man/WeightFunction.Rd: Fix signature.
272    
273    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
274    
275            * R/weight.R: Introduce name abbreviations for weighting functions.
276    
277    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
278    
279            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
280    
281            * R/cluster.R: Provide convenience functions for using a MPI
282            cluster.
283    
284            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
285            available.
286    
287            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
288            available.
289    
290    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
291    
292            * R/textdoccol.R (lapply): Removed debug print out.
293    
294    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * R/reader.R (readRCV1): Improved meta data extraction from
297            Reuters Corpus Volume 1 documents.
298    
299    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/transform.R: Ensure that all mappings preserve multiline
302            structures.
303    
304    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * R/filter.R: Every filter has now an attribute indicating whether
307            it sould be applied to document level (doclevel).
308    
309            * R/textdoccol.R (tmFilter): Set searchFullText as new default
310            filter.
311    
312    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
313    
314            * R/transform.R (replacePatterns): Replaced removeWords by
315            replacePatterns. Suggested by Christian Buchta.
316    
317            * R/textdoccol.R (inspect): Improved formatting.
318    
319    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * inst/CITATION: Updated JSS article information.
322    
323            * R/textdoccol.R (setAs): Added coerce method from list to
324            corpus.
325    
326            * R/meta.R (meta): Improved meta data handling.
327    
328    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
329    
330            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
331            Christian Buchta.
332    
333            * inst/CITATION: Added template to include JSS article reference.
334    
335    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
336    
337            * R/textdoccol.R (tmMap): Introduced lazy mapping.
338    
339            * R/source.R: Added VectorSource.
340    
341    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * man/: Language codes should be in ISO 639-1 format.
344    
345            * R/textdoccol.R (asPlain): Preserve local meta data.
346    
347    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
348    
349            * R/textdoccol.R (writeCorpus): Function for writing a corpus
350            containing plain text documents to disk.
351    
352    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
355            always set correctly.
356    
357            * R/textdoccol.R: Set load = TRUE as default for load on demand
358            since in most cases this is the wanted behaviour.
359    
360    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
361    
362            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
363    
364            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
365    
366    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
367    
368            * R/meta.R (meta): New function for consistent access to meta data
369            of document collections, repositories, and texts.
370    
371    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
372    
373            * R/: Better support for encodings.
374    
375    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
376    
377            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
378            selection when no reader argument is given.
379    
380    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
381    
382            * R/source.R (CSVSource): Now uses read.csv instead of scan
383            internally.
384    
385    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
386    
387            * R/reader.R (getReaders): Returns available reader functions.
388    
389            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
390            as default.
391    
392    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
393    
394            * R/stopwords.R (stopwords): Shortened code, removed codetools
395            variable warnings.
396    
397            * man/: Documentation for showMeta, added an example for tmMap.
398    
399            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
400            some minor typos fixed.
401    
402    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
403    
404            * R/aobjects.R (showMeta): Added method for pretty printing a
405            text document's meta data.
406    
407    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
408    
409            * R/textdoccol.R (TextDocCol): Better handling of empty
410            arguments.
411    
412            * NAMESPACE: Exported readDOC.
413    
414            * man/completeStems.Rd: Added an example.
415    
416    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/stopwords.R (stopwords): Look up .dat files at every
419            call. Allows users to modify stopword .dat files interactively.
420    
421    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
422    
423            * R/termdocmatrix.R (termFreq): Correct processing of empty
424            documents.
425    
426    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
427    
428            * man/: Updated documentation.
429    
430    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
431    
432            * R/complete.R (completeStems): Completes (heuristically) word
433            stems.
434    
435            * R/termdocmatrix.R (TermDocMatrix2): New modular
436            constructor.
437    
438            * NAMESPACE: Exported termFreq.
439    
440    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
441    
442            * R/reader.R (readDOC): Added MS Word reader (using antiword).
443    
444    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
445    
446            * R/weight.R: Weighting functions for TermDocMatrix.
447    
448    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
449    
450            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
451            functions for accessing dimension, column, and row names.
452    
453            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
454    
455    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
456    
457            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
458    
459    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
460    
461            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
462    
463    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
464    
465            * R/reader.R (readPDF): Removed manual checks for pdftotext and
466            pdfinfo. The system call gives a warning anyway.
467    
468    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
469    
470            * R/textdoccol.R (asPlain): Conversion from
471            StructuredTextDocuments to PlainTextDocuments.
472    
473    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
476            for accessing term-document matrices.
477    
478            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
479            are installed.
480    
481    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
484            Christian Buchta.
485    
486    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
487    
488            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
489    
490    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
491    
492            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
493    
494            * R/reader.R (readPDF): Added PDF reader.
495    
496    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
497    
498            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
499    
500            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
501    
502            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
503    
504            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
505    
506    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
507    
508            * R/distmeasure.R (dissimilarity): Replaced dists call from
509            package cba by new dist call from package proxy.
510    
511    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
512    
513            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
514    
515    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
516    
517            * R/termdocmatrix.R: require() uses the quietly option to suppress
518            loading messages.
519    
520    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
521    
522            * R/dictionary.R: Added dictionary support.
523    
524    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
525    
526            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
527            documents. This simplifies some functions, e.g., asPlain.
528    
529    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
530    
531            * inst/doc/tm.Rnw: Fixed some typos in vignette.
532    
533    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
534    
535            * R/textdoccol.R (replaceWords): Added method to replace a set of
536            words by a single word. Useful for synonyms.
537    
538    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
539    
540            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
541    
542    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
543    
544            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
545            vectors. Thanks to Ariel Maguyon for his error report.
546            (removeSparseTerms): New function to remove columns from a
547            term-document matrix exceeding a sparse factor.
548    
549    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
550    
551            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
552    
553    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
554    
555            * man/sFilter.Rd: Corrected documentation on statement format (use
556            '==' instead of '=').
557    
558    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
559    
560            * R/aobjects.R (StructuredTextDocument): Inherits from
561            TextDocument.
562    
563    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
564    
565            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
566            on sparse matrices as proposed by Martin Maechler.
567    
568    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
569    
570            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
571            \pkg{filehash} version makes them deprecated.
572    
573    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
574    
575            * R/termdocmatrix.R (textvector): Stemming is now performed before
576            erasing stopwords.
577            (weightMatrix): Adapted to handle sparse matrices.
578            (TermDocMatrix): Sparse matrix is now efficiently built by
579            direct stepwise insertion of row values into it.
580    
581    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
582    
583            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
584            due to ongoing problems. For our purposes the latter is as useful
585            as the replaced package.
586    
587    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
588    
589            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
590    
591            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
592    
593    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
594    
595            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
596            languages with available stopwords.
597    
598    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
599    
600            * inst/doc/tm.Rnw: Minor corrections in the vignette.
601    
602    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
603    
604            * DESCRIPTION: Update to version 0.2, since a lot of new features
605            have been integrated.
606    
607            * inst/stopwords: Updated existing stopwords and added stopwords
608            for various other languages.
609    
610    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
611    
612            * man/: Updated documentation.
613    
614            * Work/testDb.R: Script to test database stuff.
615    
616            * R/: Fixed various database related bugs. Seems to be rather
617            useable now, i.e., consider as alpha status for now.
618    
619    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
620    
621            * R/: Fixed some bugs related to database support.
622    
623    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
624    
625            * man/: Added a lot of examples to the manuals.
626    
627    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
628    
629            * man/: Updated parts of the documentation.
630    
631            * R/textdoccol.R (asPlain): Added conversion from newsgroup
632            documents to plain text documents.
633    
634    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
635    
636            * R/textdoccol.R: Finished experimental database support. Not yet
637            intensively tested.
638    
639            * R/source.R: Now each source has a default reader.
640    
641            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
642            class anymore.
643    
644            * R/plaintextdoc.R: Custom show method for plain text documents.
645    
646            * R/aobjects.R: Added a class for structured text documents.
647    
648            * R/reader.R: Replaced remaining \code{parser} occurrences with
649            \code{reader}.
650    
651            * R/textdoccol.R (summary): Indent tags.
652    
653            * R/textdoccol.R (removePunctuation): Transform method to remove
654            punctuation marks.
655    
656    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
657    
658            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
659            using prescindMeta().
660    
661    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
662    
663            * R/textdoccol.R: Improved database support.
664    
665    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
666    
667            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
668    
669            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
670            language code.
671    
672            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
673            into parserControl argument.
674    
675            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
676    
677    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
678    
679            * Work/tmDataSetup.R: The datasets acq and crude can now be
680            created on the fly.
681    
682            * R/stopwords.R: Introduced a function returning the stopwords for
683            a given language (English, German and French at the moment)
684    
685            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
686            otherwise falls back to Snowball package.
687    
688    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
689    
690            * man/dissimilarity-methods.Rd: Make clear that any method offered
691            by "dists" from package "cba" can be used.
692    
693    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
694    
695            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
696            to Kurt's latex suggestion. Removed points and underscores in
697            variable names for consistent naming.
698    
699            * DESCRIPTION: Update to version 0.1-2.
700    
701            * man/TextRepository.Rd: Fixed bug in documentation.
702    
703  2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
704    
705          * DESCRIPTION: Update to version 0.1-1.          * DESCRIPTION: Update to version 0.1-1.

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