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trunk/tm/ChangeLog revision 731, Wed Apr 11 14:01:40 2007 UTC pkg/ChangeLog revision 1294, Sun Feb 23 07:41:45 2014 UTC
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1    2014-02-23  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/complete.R (stemCompletion.PlainTextDocument): Avoid spurious
4            duplicate results. Reported by Seong-Hyeon Kim.
5    
6    2014-01-28  Ingo Feinerer <feinerer@logic.at>
7    
8            * R/utils.R (map_IETF_Snowball): Process three letter codes.
9    
10    2014-01-07  Ingo Feinerer <feinerer@logic.at>
11    
12            * DESCRIPTION (Version): Prepare for CRAN New Year release.
13    
14    2014-01-05  Ingo Feinerer <feinerer@logic.at>
15    
16            * R/matrix.R (findAssocs): Allow multiple and non-existing terms.
17            Suggested by Christian Buchta.
18    
19            * R/source.R (is.Source): New check for valid source.
20    
21    2013-12-28  Ingo Feinerer <feinerer@logic.at>
22    
23            * R/matrix.R (findAssocs): Make corlimit inclusive.
24    
25    2013-09-27  Ingo Feinerer <feinerer@logic.at>
26    
27            * R/source.R: Allow multiple URIs for URISource.
28    
29    2013-09-19  Ingo Feinerer <feinerer@logic.at>
30    
31            * R/source.R (Source): New Source constructor.
32    
33    2013-08-26  Ingo Feinerer <feinerer@logic.at>
34    
35            * R/source.R (DirSource): Report non-existent or non-readable files.
36            Suggested by Ajinkya Kale and Milan Bouchet-Valat.
37    
38    2013-08-19  Ingo Feinerer <feinerer@logic.at>
39    
40            * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
41            anymore.
42    
43            * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
44            anymore.
45    
46    2013-08-09  Ingo Feinerer <feinerer@logic.at>
47    
48            * DESCRIPTION (License): Changed to GPL-3.
49    
50    2013-07-25  Ingo Feinerer <feinerer@logic.at>
51    
52            * R/complete.R (stemCompletion): Report NA instead of error when no
53            completion can be found by the prevalent heuristic. Suggested by Hugh
54            Devlin.
55    
56    2013-07-10  Ingo Feinerer <feinerer@logic.at>
57    
58            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
59            command line tool) instead of tools:::pdf_info().
60    
61    2013-04-11  Ingo Feinerer <feinerer@logic.at>
62    
63            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
64            to determine character types.
65    
66    2012-12-14  Ingo Feinerer <feinerer@logic.at>
67    
68            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
69            when generating a simple_triplet_matrix. Reported by Arho Suominen.
70    
71    2012-12-10  Ingo Feinerer <feinerer@logic.at>
72    
73            * man/tm_reduce.Rd: Document right to left folding order. Adapt
74            example as well. Suggested by Mark Rosenstein.
75    
76    2012-12-04  Ingo Feinerer <feinerer@logic.at>
77    
78            * R/filter.R (sFilter): Avoid attach() and simplify.
79    
80    2012-11-02  Ingo Feinerer <feinerer@logic.at>
81    
82            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
83            removal of attributes.
84    
85    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
88            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
89            Frölich.
90    
91    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/transform.R (removeWords): Allow longer stopword lists.
94    
95    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/reader.R (readXML): Readers can now set the document language
98            themselves.
99    
100    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
101    
102            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
103            proposed by Milan Bouchet-Valat.
104    
105    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
106    
107            * R/matrix.R (termFreq): Fix processing of user provided
108            stopwords. Reported by Bettina Grün.
109    
110    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/matrix.R (termFreq): Fix invalid handling of
113            control$wordLengths[1]. Reported by Steven C. Bagley.
114    
115    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
116    
117            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
118    
119    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
120    
121            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
122    
123    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
124    
125            * R/transform.R (removePunctuation): Add option to preserve
126            intra-word dashes.
127    
128    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
129    
130            * R/matrix.R (termFreq): Allow reordering of control option
131            processing.
132    
133    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
136            pdfinfo tool.
137    
138            * inst/stopwords/SMART.dat: Add SMART information retrieval system
139            stopwords (which are also used by the MC toolkit).
140    
141            * R/matrix (termFreq): Allow local option \code{bounds$local} to
142            restrict how often a term may appear in each document (generalizes
143            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
144            for word length bounds (generalizes \code{minWordLength}).
145    
146            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
147            \code{bounds$global} for restricting how often a term is allowed
148            to appear in different documents.
149    
150            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
151            local options delegated internally to termFreq() and global
152            options which are processed by the term-document matrix
153            constructor itself.
154    
155    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
156    
157            * man/getTokenizers.Rd: Document getTokenizers().
158    
159            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
160    
161    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
162    
163            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
164    
165            * man/combine.Rd: Document c.term_frequency().
166    
167    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
168    
169            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
170            can be accessed via '[' and not '[['.
171    
172    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/stopwords.R (stopwords): Raise an error if no stopwords are
175            available for requested language. Suggested by Derek M Jones.
176    
177    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
180            normalization.
181    
182    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
183    
184            * R/transform.R (stemDocument.PlainTextDocument): Use language
185            argument.
186    
187    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/source.R: Store strings and connections instead of unevaluated
190            calls.
191    
192    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
193    
194            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
195    
196    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
197    
198            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
199            (instead of a list element).
200    
201    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
202    
203            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
204            documents by names (fallback to IDs if names are not set).
205    
206    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
207    
208            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
209            \code{recursive} now determines whether existing corpus meta data
210            is used.
211    
212    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
213    
214            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
215    
216    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
217    
218            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
219            remove terms not occurring in the corpus anymore.
220    
221    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
222    
223            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
224            and Heaps' law.
225    
226    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
227    
228            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
229            provided by a source.
230    
231    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
232    
233            * R/source.R (.Source): Provide document names.
234    
235    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
236    
237            * R/meta.R (`content_or_meta`): Utility function.
238    
239    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
240    
241            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
242            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
243    
244    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
245    
246            * R/weight.R (weightTfIdf): Added normalization option.
247    
248            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
249            analysis.
250    
251    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/score.R (tm_tag_score): Compute a score from the number of
254            tags matching in a document.
255    
256    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
257    
258            * R/complete.R (stemCompletion): New completion heuristics.
259    
260    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
263    
264    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
265    
266            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
267            setOldClass(c(..., "list")) works.
268    
269    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
270    
271            * R/transform.R (stemDocument.character): In case input is a
272            simple character just delegate to the default Snowball stemmer.
273    
274    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
275    
276            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
277            data.
278    
279    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
280    
281            * R/doc.R (`Content<-`): Be careful with names attribute.
282    
283    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
284    
285            * R/source.R (DirSource): Improved implementation especially when
286            handling many (> 1M) files.
287    
288    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
289    
290            * R/source.R (getElem.URISource): Use encoding argument.
291    
292    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
293    
294            * R/doc.R (setOldClass): Register S3 document classes to be
295            recognized by S4 methods.
296    
297    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
298    
299            * R/matrix.R (termFreq): Add option to remove punctuation
300            characters.
301    
302    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
303    
304            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
305            merging multiple term-document matrices.
306    
307    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
308    
309            * R/corpus.R (setOldClass): Register S3 corpus classes to be
310            recognized by S4 methods.
311    
312            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
313            that CRAN Mac OS X builds do not fail any longer.
314    
315    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
316    
317            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
318            of RWeka:AlphabeticTokenizer() as default.
319    
320    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
321    
322            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
323            caused words at the beginning or the end of a line not to be removed. Do
324            not delete whitespace anymore.
325    
326    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/source.R (DirSource): Default to working directory if no path
329            is specified.
330    
331    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
332    
333            * R/source.R (DirSource): Stop on empty directories.
334    
335    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
338            named documents.
339    
340    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
341    
342            * R/transform.R (removeWords): Improve regular expressions.
343    
344    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
345    
346            * R/meta.R (DublinCore): Allow lower case tags.
347    
348    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
349    
350            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
351            instead of x$children.
352    
353    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
354    
355            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
356    
357    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
358    
359            * R/: Use S3 instead of S4 class system.
360    
361    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
362    
363            * R/reader.R (readMail): Moved to tm.plugin.mail package.
364    
365    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
366    
367            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
368            postings are basically e-mails with some extra headers.
369    
370    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
371    
372            * R/transform.R: Move convertMboxEml, removeCitation,
373            removeMultipart, and removeSignature to the tm.plugin.mail package
374            since they are mainly utility functions (for handling e-mails) and
375            not very framework specific.
376    
377    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
378    
379            * man/: Fix documentation.
380    
381    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
382    
383            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
384            plain text document instead of an XML document for texts of the
385            Reuters-21578 dataset.
386    
387            * R/sparse.R: Removed since the slam package is now available on
388            CRAN.
389    
390            * DESCRIPTION (Depends): Add slam package.
391    
392    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
393    
394            * R/transform.R (stemDoc): Fix character(0) handling.
395    
396    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
397    
398            * R/doc.R (show): Pretty print.
399    
400    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
401    
402            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
403            gracefully.
404    
405    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
406    
407            * R/corpus.R: Make corpus virtual. Implement corpus with standard
408            and permanent storage semantics.
409    
410            * DESCRIPTION: New major release. A *lot* of improvements.
411    
412    2009-05-04   Ingo Feinerer <feinerer@logic.at>
413    
414            * NAMESPACE: Export some simple_triplet_matrix functions.
415    
416    2009-04-28   Ingo Feinerer <feinerer@logic.at>
417    
418            * R/weight.R: Adapt tf-idf to new matrix format.
419    
420    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
421    
422            * R/matrix.R: Create two distinct classes for term-document and
423            document-term matrices.
424    
425    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
426    
427            * R/termdocmatrix.R: No longer use Matrix package. This reduces
428            package start-up time significantly.
429    
430    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
431    
432            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
433    
434    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
435    
436            * R/transform.R (tmReduce): Combine multiple maps into one
437            transformation.
438    
439    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
440    
441            * R/weight.R: Remove weightLogical since it does not return a
442            dgCMatrix.
443    
444            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
445            or TermDocumentMatrix instead.
446    
447    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
448    
449            * inst/doc/extensions.Rnw: Finished vignette.
450    
451    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
452    
453            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
454            DocumentTermMatrix representations.
455    
456    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
457    
458            * R/reader.R (readXML): New reader for arbitrary XML files.
459    
460    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
461    
462            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
463            (XMLSource): New XMLSource class for arbitrary XML files.
464            (Source): New slot Vectorized.
465    
466    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
467    
468            * R/reader.R (readTabular): Experimental reader for tabular data
469            structures which can be customized via user-defined mappings.
470    
471            * R/reader.R: Always use UTC time zone.
472    
473            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
474    
475    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
476    
477            * R/reader.R (readDOC): Options can be passed over to antiword.
478    
479            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
480            pdftotext.
481    
482    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
483    
484            * R/source.R (DirSource): Add pattern and ignore.case arguments
485            which are internally passed over to list.files().
486    
487    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
488    
489            * inst/doc/tm.Rnw: Suppress pointless loading message.
490    
491    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
492    
493            * DESCRIPTION: Speed up package loading (via moving packages not
494            strictly necessary for normal operation to Suggests instead of
495            Depends).
496    
497    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
498    
499            * R/reader.R (readNewsgroup): The date format is now configurable.
500    
501    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
502    
503            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
504    
505    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
506    
507            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
508    
509    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
510    
511            * R/source.R (DataframeSource): New source class for data frames.
512    
513            * R/source.R: Fixed non-standard call evaluation.
514    
515    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
516    
517            * R/source.R (URISource): New source class for a single document.
518    
519    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
520    
521            * R/source.R: Refactoring.
522    
523    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
524    
525            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
526            Rmpi installations more gracefully.
527    
528    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
529    
530            * R/source.R (Source): Add Length slot.
531    
532    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
533    
534            * R/AAA.R: Unify duplicated .onLoad function.
535    
536    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
537    
538            * DESCRIPTION (Suggests): Added Rmpi.
539    
540    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
541    
542            * R/source.R (getElem): Fix 'no visible binding' warning.
543    
544            * man/WeightFunction.Rd: Fix signature.
545    
546    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
547    
548            * R/weight.R: Introduce name abbreviations for weighting functions.
549    
550    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
551    
552            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
553    
554            * R/cluster.R: Provide convenience functions for using a MPI
555            cluster.
556    
557            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
558            available.
559    
560            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
561            available.
562    
563    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
564    
565            * R/textdoccol.R (lapply): Removed debug print out.
566    
567    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * R/reader.R (readRCV1): Improved meta data extraction from
570            Reuters Corpus Volume 1 documents.
571    
572    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
573    
574            * R/transform.R: Ensure that all mappings preserve multiline
575            structures.
576    
577    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
578    
579            * R/filter.R: Every filter has now an attribute indicating whether
580            it sould be applied to document level (doclevel).
581    
582            * R/textdoccol.R (tmFilter): Set searchFullText as new default
583            filter.
584    
585    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
586    
587            * R/transform.R (replacePatterns): Replaced removeWords by
588            replacePatterns. Suggested by Christian Buchta.
589    
590            * R/textdoccol.R (inspect): Improved formatting.
591    
592    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
593    
594            * inst/CITATION: Updated JSS article information.
595    
596            * R/textdoccol.R (setAs): Added coerce method from list to
597            corpus.
598    
599            * R/meta.R (meta): Improved meta data handling.
600    
601    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
602    
603            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
604            Christian Buchta.
605    
606            * inst/CITATION: Added template to include JSS article reference.
607    
608    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
609    
610            * R/textdoccol.R (tmMap): Introduced lazy mapping.
611    
612            * R/source.R: Added VectorSource.
613    
614    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
615    
616            * man/: Language codes should be in ISO 639-1 format.
617    
618            * R/textdoccol.R (asPlain): Preserve local meta data.
619    
620    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/textdoccol.R (writeCorpus): Function for writing a corpus
623            containing plain text documents to disk.
624    
625    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
626    
627            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
628            always set correctly.
629    
630            * R/textdoccol.R: Set load = TRUE as default for load on demand
631            since in most cases this is the wanted behaviour.
632    
633    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
634    
635            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
636    
637            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
638    
639    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
640    
641            * R/meta.R (meta): New function for consistent access to meta data
642            of document collections, repositories, and texts.
643    
644    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
645    
646            * R/: Better support for encodings.
647    
648    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
649    
650            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
651            selection when no reader argument is given.
652    
653    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
654    
655            * R/source.R (CSVSource): Now uses read.csv instead of scan
656            internally.
657    
658    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
659    
660            * R/reader.R (getReaders): Returns available reader functions.
661    
662            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
663            as default.
664    
665    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
666    
667            * R/stopwords.R (stopwords): Shortened code, removed codetools
668            variable warnings.
669    
670            * man/: Documentation for showMeta, added an example for tmMap.
671    
672            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
673            some minor typos fixed.
674    
675    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
676    
677            * R/aobjects.R (showMeta): Added method for pretty printing a
678            text document's meta data.
679    
680    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
681    
682            * R/textdoccol.R (TextDocCol): Better handling of empty
683            arguments.
684    
685            * NAMESPACE: Exported readDOC.
686    
687            * man/completeStems.Rd: Added an example.
688    
689    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
690    
691            * R/stopwords.R (stopwords): Look up .dat files at every
692            call. Allows users to modify stopword .dat files interactively.
693    
694    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * R/termdocmatrix.R (termFreq): Correct processing of empty
697            documents.
698    
699    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * man/: Updated documentation.
702    
703    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
704    
705            * R/complete.R (completeStems): Completes (heuristically) word
706            stems.
707    
708            * R/termdocmatrix.R (TermDocMatrix2): New modular
709            constructor.
710    
711            * NAMESPACE: Exported termFreq.
712    
713    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
714    
715            * R/reader.R (readDOC): Added MS Word reader (using antiword).
716    
717    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
718    
719            * R/weight.R: Weighting functions for TermDocMatrix.
720    
721    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
722    
723            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
724            functions for accessing dimension, column, and row names.
725    
726            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
727    
728    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
729    
730            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
731    
732    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
733    
734            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
735    
736    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
737    
738            * R/reader.R (readPDF): Removed manual checks for pdftotext and
739            pdfinfo. The system call gives a warning anyway.
740    
741    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
742    
743            * R/textdoccol.R (asPlain): Conversion from
744            StructuredTextDocuments to PlainTextDocuments.
745    
746    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
747    
748            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
749            for accessing term-document matrices.
750    
751            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
752            are installed.
753    
754    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
755    
756            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
757            Christian Buchta.
758    
759    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
760    
761            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
762    
763    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
764    
765            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
766    
767            * R/reader.R (readPDF): Added PDF reader.
768    
769    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
770    
771            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
772    
773            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
774    
775            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
776    
777            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
778    
779    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
780    
781            * R/distmeasure.R (dissimilarity): Replaced dists call from
782            package cba by new dist call from package proxy.
783    
784    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
785    
786            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
787    
788    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
789    
790            * R/termdocmatrix.R: require() uses the quietly option to suppress
791            loading messages.
792    
793    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
794    
795            * R/dictionary.R: Added dictionary support.
796    
797    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
798    
799            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
800            documents. This simplifies some functions, e.g., asPlain.
801    
802    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
803    
804            * inst/doc/tm.Rnw: Fixed some typos in vignette.
805    
806    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
807    
808            * R/textdoccol.R (replaceWords): Added method to replace a set of
809            words by a single word. Useful for synonyms.
810    
811    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
812    
813            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
814    
815    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
816    
817            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
818            vectors. Thanks to Ariel Maguyon for his error report.
819            (removeSparseTerms): New function to remove columns from a
820            term-document matrix exceeding a sparse factor.
821    
822    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
823    
824            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
825    
826    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828            * man/sFilter.Rd: Corrected documentation on statement format (use
829            '==' instead of '=').
830    
831    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
832    
833            * R/aobjects.R (StructuredTextDocument): Inherits from
834            TextDocument.
835    
836    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
837    
838            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
839            on sparse matrices as proposed by Martin Maechler.
840    
841    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
842    
843            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
844            \pkg{filehash} version makes them deprecated.
845    
846    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
847    
848            * R/termdocmatrix.R (textvector): Stemming is now performed before
849            erasing stopwords.
850            (weightMatrix): Adapted to handle sparse matrices.
851            (TermDocMatrix): Sparse matrix is now efficiently built by
852            direct stepwise insertion of row values into it.
853    
854    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
855    
856            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
857            due to ongoing problems. For our purposes the latter is as useful
858            as the replaced package.
859    
860    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
861    
862            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
863    
864            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
865    
866    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
867    
868            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
869            languages with available stopwords.
870    
871    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
872    
873            * inst/doc/tm.Rnw: Minor corrections in the vignette.
874    
875  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
876    
877          * inst/stopwords: Updated stopwords.          * DESCRIPTION: Update to version 0.2, since a lot of new features
878            have been integrated.
879    
880            * inst/stopwords: Updated existing stopwords and added stopwords
881            for various other languages.
882    
883  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
884    

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