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trunk/tm/ChangeLog revision 760, Thu Jun 21 22:40:15 2007 UTC pkg/ChangeLog revision 1445, Sun Oct 9 09:30:58 2016 UTC
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1    2014-04-20  Ingo Feinerer <feinerer@logic.at>
2    
3            * ChangeLog: Not maintained as a separate file anymore. Please consult
4            the tm Subversion log messages (available at
5            https://r-forge.r-project.org/scm/viewvc.php/pkg/?root=tm) instead.
6    
7    2014-02-25  Ingo Feinerer <feinerer@logic.at>
8    
9            * NAMESPACE: Export pGetElem.URISource.
10    
11    2014-02-23  Ingo Feinerer <feinerer@logic.at>
12    
13            * R/complete.R (stemCompletion.PlainTextDocument): Avoid spurious
14            duplicate results. Reported by Seong-Hyeon Kim.
15    
16    2014-01-28  Ingo Feinerer <feinerer@logic.at>
17    
18            * R/utils.R (map_IETF_Snowball): Process three letter codes.
19    
20    2014-01-07  Ingo Feinerer <feinerer@logic.at>
21    
22            * DESCRIPTION (Version): Prepare for CRAN New Year release.
23    
24    2014-01-05  Ingo Feinerer <feinerer@logic.at>
25    
26            * R/matrix.R (findAssocs): Allow multiple and non-existing terms.
27            Suggested by Christian Buchta.
28    
29            * R/source.R (is.Source): New check for valid source.
30    
31    2013-12-28  Ingo Feinerer <feinerer@logic.at>
32    
33            * R/matrix.R (findAssocs): Make corlimit inclusive.
34    
35    2013-09-27  Ingo Feinerer <feinerer@logic.at>
36    
37            * R/source.R: Allow multiple URIs for URISource.
38    
39    2013-09-19  Ingo Feinerer <feinerer@logic.at>
40    
41            * R/source.R (Source): New Source constructor.
42    
43    2013-08-26  Ingo Feinerer <feinerer@logic.at>
44    
45            * R/source.R (DirSource): Report non-existent or non-readable files.
46            Suggested by Ajinkya Kale and Milan Bouchet-Valat.
47    
48    2013-08-19  Ingo Feinerer <feinerer@logic.at>
49    
50            * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
51            anymore.
52    
53            * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
54            anymore.
55    
56    2013-08-09  Ingo Feinerer <feinerer@logic.at>
57    
58            * DESCRIPTION (License): Changed to GPL-3.
59    
60    2013-07-25  Ingo Feinerer <feinerer@logic.at>
61    
62            * R/complete.R (stemCompletion): Report NA instead of error when no
63            completion can be found by the prevalent heuristic. Suggested by Hugh
64            Devlin.
65    
66    2013-07-10  Ingo Feinerer <feinerer@logic.at>
67    
68            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
69            command line tool) instead of tools:::pdf_info().
70    
71    2013-04-11  Ingo Feinerer <feinerer@logic.at>
72    
73            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
74            to determine character types.
75    
76    2012-12-14  Ingo Feinerer <feinerer@logic.at>
77    
78            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
79            when generating a simple_triplet_matrix. Reported by Arho Suominen.
80    
81    2012-12-10  Ingo Feinerer <feinerer@logic.at>
82    
83            * man/tm_reduce.Rd: Document right to left folding order. Adapt
84            example as well. Suggested by Mark Rosenstein.
85    
86    2012-12-04  Ingo Feinerer <feinerer@logic.at>
87    
88            * R/filter.R (sFilter): Avoid attach() and simplify.
89    
90    2012-11-02  Ingo Feinerer <feinerer@logic.at>
91    
92            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
93            removal of attributes.
94    
95    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
98            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
99            Frölich.
100    
101    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
102    
103            * R/transform.R (removeWords): Allow longer stopword lists.
104    
105    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
106    
107            * R/reader.R (readXML): Readers can now set the document language
108            themselves.
109    
110    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
113            proposed by Milan Bouchet-Valat.
114    
115    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/matrix.R (termFreq): Fix processing of user provided
118            stopwords. Reported by Bettina Grün.
119    
120    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/matrix.R (termFreq): Fix invalid handling of
123            control$wordLengths[1]. Reported by Steven C. Bagley.
124    
125    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
126    
127            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
128    
129    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
132    
133    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/transform.R (removePunctuation): Add option to preserve
136            intra-word dashes.
137    
138    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
139    
140            * R/matrix.R (termFreq): Allow reordering of control option
141            processing.
142    
143    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
144    
145            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
146            pdfinfo tool.
147    
148            * inst/stopwords/SMART.dat: Add SMART information retrieval system
149            stopwords (which are also used by the MC toolkit).
150    
151            * R/matrix (termFreq): Allow local option \code{bounds$local} to
152            restrict how often a term may appear in each document (generalizes
153            \code{minDocFreq}). Similarly the local option \code{wordLengths}
154            for word length bounds (generalizes \code{minWordLength}).
155    
156            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
157            \code{bounds$global} for restricting how often a term is allowed
158            to appear in different documents.
159    
160            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
161            local options delegated internally to termFreq() and global
162            options which are processed by the term-document matrix
163            constructor itself.
164    
165    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
166    
167            * man/getTokenizers.Rd: Document getTokenizers().
168    
169            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
170    
171    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
172    
173            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
174    
175            * man/combine.Rd: Document c.term_frequency().
176    
177    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
180            can be accessed via '[' and not '[['.
181    
182    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
183    
184            * R/stopwords.R (stopwords): Raise an error if no stopwords are
185            available for requested language. Suggested by Derek M Jones.
186    
187    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
190            normalization.
191    
192    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
193    
194            * R/transform.R (stemDocument.PlainTextDocument): Use language
195            argument.
196    
197    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
198    
199            * R/source.R: Store strings and connections instead of unevaluated
200            calls.
201    
202    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
203    
204            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
205    
206    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
207    
208            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
209            (instead of a list element).
210    
211    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
212    
213            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
214            documents by names (fallback to IDs if names are not set).
215    
216    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
217    
218            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
219            \code{recursive} now determines whether existing corpus metadata
220            is used.
221    
222    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
223    
224            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
225    
226    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
227    
228            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
229            remove terms not occurring in the corpus anymore.
230    
231    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
232    
233            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
234            and Heaps' law.
235    
236    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
237    
238            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
239            provided by a source.
240    
241    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
242    
243            * R/source.R (.Source): Provide document names.
244    
245    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
246    
247            * R/meta.R (`content_or_meta`): Utility function.
248    
249    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
250    
251            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
252            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
253    
254    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
255    
256            * R/weight.R (weightTfIdf): Added normalization option.
257    
258            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
259            analysis.
260    
261    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
262    
263            * R/score.R (tm_tag_score): Compute a score from the number of
264            tags matching in a document.
265    
266    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
267    
268            * R/complete.R (stemCompletion): New completion heuristics.
269    
270    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
273    
274    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
275    
276            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
277            setOldClass(c(..., "list")) works.
278    
279    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
280    
281            * R/transform.R (stemDocument.character): In case input is a
282            simple character just delegate to the default Snowball stemmer.
283    
284    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
285    
286            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
287            data.
288    
289    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
290    
291            * R/doc.R (`Content<-`): Be careful with names attribute.
292    
293    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
294    
295            * R/source.R (DirSource): Improved implementation especially when
296            handling many (> 1M) files.
297    
298    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
299    
300            * R/source.R (getElem.URISource): Use encoding argument.
301    
302    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
303    
304            * R/doc.R (setOldClass): Register S3 document classes to be
305            recognized by S4 methods.
306    
307    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
308    
309            * R/matrix.R (termFreq): Add option to remove punctuation
310            characters.
311    
312    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
315            merging multiple term-document matrices.
316    
317    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
318    
319            * R/corpus.R (setOldClass): Register S3 corpus classes to be
320            recognized by S4 methods.
321    
322            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
323            that CRAN Mac OS X builds do not fail any longer.
324    
325    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
326    
327            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
328            of RWeka:AlphabeticTokenizer() as default.
329    
330    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
331    
332            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
333            caused words at the beginning or the end of a line not to be removed. Do
334            not delete whitespace anymore.
335    
336    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
337    
338            * R/source.R (DirSource): Default to working directory if no path
339            is specified.
340    
341    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
342    
343            * R/source.R (DirSource): Stop on empty directories.
344    
345    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
346    
347            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
348            named documents.
349    
350    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
351    
352            * R/transform.R (removeWords): Improve regular expressions.
353    
354    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
355    
356            * R/meta.R (DublinCore): Allow lower case tags.
357    
358    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
359    
360            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
361            instead of x$children.
362    
363    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
364    
365            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
366    
367    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
368    
369            * R/: Use S3 instead of S4 class system.
370    
371    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
372    
373            * R/reader.R (readMail): Moved to tm.plugin.mail package.
374    
375    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
376    
377            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
378            postings are basically e-mails with some extra headers.
379    
380    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
381    
382            * R/transform.R: Move convertMboxEml, removeCitation,
383            removeMultipart, and removeSignature to the tm.plugin.mail package
384            since they are mainly utility functions (for handling e-mails) and
385            not very framework specific.
386    
387    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
388    
389            * man/: Fix documentation.
390    
391    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
392    
393            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
394            plain text document instead of an XML document for texts of the
395            Reuters-21578 dataset.
396    
397            * R/sparse.R: Removed since the slam package is now available on
398            CRAN.
399    
400            * DESCRIPTION (Depends): Add slam package.
401    
402    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
403    
404            * R/transform.R (stemDoc): Fix character(0) handling.
405    
406    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
407    
408            * R/doc.R (show): Pretty print.
409    
410    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
411    
412            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
413            gracefully.
414    
415    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
416    
417            * R/corpus.R: Make corpus virtual. Implement corpus with standard
418            and permanent storage semantics.
419    
420            * DESCRIPTION: New major release. A *lot* of improvements.
421    
422    2009-05-04   Ingo Feinerer <feinerer@logic.at>
423    
424            * NAMESPACE: Export some simple_triplet_matrix functions.
425    
426    2009-04-28   Ingo Feinerer <feinerer@logic.at>
427    
428            * R/weight.R: Adapt tf-idf to new matrix format.
429    
430    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
431    
432            * R/matrix.R: Create two distinct classes for term-document and
433            document-term matrices.
434    
435    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
436    
437            * R/termdocmatrix.R: No longer use Matrix package. This reduces
438            package start-up time significantly.
439    
440    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
441    
442            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
443    
444    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
445    
446            * R/transform.R (tmReduce): Combine multiple maps into one
447            transformation.
448    
449    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
450    
451            * R/weight.R: Remove weightLogical since it does not return a
452            dgCMatrix.
453    
454            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
455            or TermDocumentMatrix instead.
456    
457    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
458    
459            * inst/doc/extensions.Rnw: Finished vignette.
460    
461    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
462    
463            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
464            DocumentTermMatrix representations.
465    
466    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
467    
468            * R/reader.R (readXML): New reader for arbitrary XML files.
469    
470    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
471    
472            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
473            (XMLSource): New XMLSource class for arbitrary XML files.
474            (Source): New slot Vectorized.
475    
476    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
477    
478            * R/reader.R (readTabular): Experimental reader for tabular data
479            structures which can be customized via user-defined mappings.
480    
481            * R/reader.R: Always use UTC time zone.
482    
483            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
484    
485    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
486    
487            * R/reader.R (readDOC): Options can be passed over to antiword.
488    
489            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
490            pdftotext.
491    
492    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
493    
494            * R/source.R (DirSource): Add pattern and ignore.case arguments
495            which are internally passed over to list.files().
496    
497    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
498    
499            * inst/doc/tm.Rnw: Suppress pointless loading message.
500    
501    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
502    
503            * DESCRIPTION: Speed up package loading (via moving packages not
504            strictly necessary for normal operation to Suggests instead of
505            Depends).
506    
507    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
508    
509            * R/reader.R (readNewsgroup): The date format is now configurable.
510    
511    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
512    
513            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
514    
515    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
516    
517            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
518    
519    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
520    
521            * R/source.R (DataframeSource): New source class for data frames.
522    
523            * R/source.R: Fixed non-standard call evaluation.
524    
525    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
526    
527            * R/source.R (URISource): New source class for a single document.
528    
529    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
530    
531            * R/source.R: Refactoring.
532    
533    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
534    
535            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
536            Rmpi installations more gracefully.
537    
538    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
539    
540            * R/source.R (Source): Add Length slot.
541    
542    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
543    
544            * R/AAA.R: Unify duplicated .onLoad function.
545    
546    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
547    
548            * DESCRIPTION (Suggests): Added Rmpi.
549    
550    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
551    
552            * R/source.R (getElem): Fix 'no visible binding' warning.
553    
554            * man/WeightFunction.Rd: Fix signature.
555    
556    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
557    
558            * R/weight.R: Introduce name abbreviations for weighting functions.
559    
560    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
561    
562            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
563    
564            * R/cluster.R: Provide convenience functions for using a MPI
565            cluster.
566    
567            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
568            available.
569    
570            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
571            available.
572    
573    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
574    
575            * R/textdoccol.R (lapply): Removed debug print out.
576    
577    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
578    
579            * R/reader.R (readRCV1): Improved metadata extraction from
580            Reuters Corpus Volume 1 documents.
581    
582    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
583    
584            * R/transform.R: Ensure that all mappings preserve multiline
585            structures.
586    
587    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
588    
589            * R/filter.R: Every filter has now an attribute indicating whether
590            it sould be applied to document level (doclevel).
591    
592            * R/textdoccol.R (tmFilter): Set searchFullText as new default
593            filter.
594    
595    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
596    
597            * R/transform.R (replacePatterns): Replaced removeWords by
598            replacePatterns. Suggested by Christian Buchta.
599    
600            * R/textdoccol.R (inspect): Improved formatting.
601    
602    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
603    
604            * inst/CITATION: Updated JSS article information.
605    
606            * R/textdoccol.R (setAs): Added coerce method from list to
607            corpus.
608    
609            * R/meta.R (meta): Improved metadata handling.
610    
611    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
612    
613            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
614            Christian Buchta.
615    
616            * inst/CITATION: Added template to include JSS article reference.
617    
618    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
619    
620            * R/textdoccol.R (tmMap): Introduced lazy mapping.
621    
622            * R/source.R: Added VectorSource.
623    
624    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
625    
626            * man/: Language codes should be in ISO 639-1 format.
627    
628            * R/textdoccol.R (asPlain): Preserve local metadata.
629    
630    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
631    
632            * R/textdoccol.R (writeCorpus): Function for writing a corpus
633            containing plain text documents to disk.
634    
635    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
636    
637            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
638            always set correctly.
639    
640            * R/textdoccol.R: Set load = TRUE as default for load on demand
641            since in most cases this is the wanted behaviour.
642    
643    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
644    
645            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
646    
647            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
648    
649    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
650    
651            * R/meta.R (meta): New function for consistent access to metadata
652            of document collections, repositories, and texts.
653    
654    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
655    
656            * R/: Better support for encodings.
657    
658    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
659    
660            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
661            selection when no reader argument is given.
662    
663    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
664    
665            * R/source.R (CSVSource): Now uses read.csv instead of scan
666            internally.
667    
668    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
669    
670            * R/reader.R (getReaders): Returns available reader functions.
671    
672            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
673            as default.
674    
675    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
676    
677            * R/stopwords.R (stopwords): Shortened code, removed codetools
678            variable warnings.
679    
680            * man/: Documentation for showMeta, added an example for tmMap.
681    
682            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
683            some minor typos fixed.
684    
685    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
686    
687            * R/aobjects.R (showMeta): Added method for pretty printing a
688            text document's metadata.
689    
690    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
691    
692            * R/textdoccol.R (TextDocCol): Better handling of empty
693            arguments.
694    
695            * NAMESPACE: Exported readDOC.
696    
697            * man/completeStems.Rd: Added an example.
698    
699    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * R/stopwords.R (stopwords): Look up .dat files at every
702            call. Allows users to modify stopword .dat files interactively.
703    
704    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
705    
706            * R/termdocmatrix.R (termFreq): Correct processing of empty
707            documents.
708    
709    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
710    
711            * man/: Updated documentation.
712    
713    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
714    
715            * R/complete.R (completeStems): Completes (heuristically) word
716            stems.
717    
718            * R/termdocmatrix.R (TermDocMatrix2): New modular
719            constructor.
720    
721            * NAMESPACE: Exported termFreq.
722    
723    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
724    
725            * R/reader.R (readDOC): Added MS Word reader (using antiword).
726    
727    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
728    
729            * R/weight.R: Weighting functions for TermDocMatrix.
730    
731    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
732    
733            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
734            functions for accessing dimension, column, and row names.
735    
736            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
737    
738    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
739    
740            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
741    
742    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
743    
744            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
745    
746    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
747    
748            * R/reader.R (readPDF): Removed manual checks for pdftotext and
749            pdfinfo. The system call gives a warning anyway.
750    
751    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
752    
753            * R/textdoccol.R (asPlain): Conversion from
754            StructuredTextDocuments to PlainTextDocuments.
755    
756    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
759            for accessing term-document matrices.
760    
761            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
762            are installed.
763    
764    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
765    
766            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
767            Christian Buchta.
768    
769    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
770    
771            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
772    
773    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
774    
775            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
776    
777            * R/reader.R (readPDF): Added PDF reader.
778    
779    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
780    
781            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
782    
783            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
784    
785            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
786    
787            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
788    
789    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
790    
791            * R/distmeasure.R (dissimilarity): Replaced dists call from
792            package cba by new dist call from package proxy.
793    
794    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
795    
796            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
797    
798  2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
799    
800          * R/termdocmatrix.R: require() uses the quietly option to suppress          * R/termdocmatrix.R: require() uses the quietly option to suppress

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