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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 1292, Tue Jan 28 16:31:18 2014 UTC
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1    2014-01-28  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/utils.R (map_IETF_Snowball): Process three letter codes.
4    
5    2014-01-07  Ingo Feinerer <feinerer@logic.at>
6    
7            * DESCRIPTION (Version): Prepare for CRAN New Year release.
8    
9    2014-01-05  Ingo Feinerer <feinerer@logic.at>
10    
11            * R/matrix.R (findAssocs): Allow multiple and non-existing terms.
12            Suggested by Christian Buchta.
13    
14            * R/source.R (is.Source): New check for valid source.
15    
16    2013-12-28  Ingo Feinerer <feinerer@logic.at>
17    
18            * R/matrix.R (findAssocs): Make corlimit inclusive.
19    
20    2013-09-27  Ingo Feinerer <feinerer@logic.at>
21    
22            * R/source.R: Allow multiple URIs for URISource.
23    
24    2013-09-19  Ingo Feinerer <feinerer@logic.at>
25    
26            * R/source.R (Source): New Source constructor.
27    
28    2013-08-26  Ingo Feinerer <feinerer@logic.at>
29    
30            * R/source.R (DirSource): Report non-existent or non-readable files.
31            Suggested by Ajinkya Kale and Milan Bouchet-Valat.
32    
33    2013-08-19  Ingo Feinerer <feinerer@logic.at>
34    
35            * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
36            anymore.
37    
38            * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
39            anymore.
40    
41    2013-08-09  Ingo Feinerer <feinerer@logic.at>
42    
43            * DESCRIPTION (License): Changed to GPL-3.
44    
45    2013-07-25  Ingo Feinerer <feinerer@logic.at>
46    
47            * R/complete.R (stemCompletion): Report NA instead of error when no
48            completion can be found by the prevalent heuristic. Suggested by Hugh
49            Devlin.
50    
51    2013-07-10  Ingo Feinerer <feinerer@logic.at>
52    
53            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
54            command line tool) instead of tools:::pdf_info().
55    
56    2013-04-11  Ingo Feinerer <feinerer@logic.at>
57    
58            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
59            to determine character types.
60    
61    2012-12-14  Ingo Feinerer <feinerer@logic.at>
62    
63            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
64            when generating a simple_triplet_matrix. Reported by Arho Suominen.
65    
66    2012-12-10  Ingo Feinerer <feinerer@logic.at>
67    
68            * man/tm_reduce.Rd: Document right to left folding order. Adapt
69            example as well. Suggested by Mark Rosenstein.
70    
71    2012-12-04  Ingo Feinerer <feinerer@logic.at>
72    
73            * R/filter.R (sFilter): Avoid attach() and simplify.
74    
75    2012-11-02  Ingo Feinerer <feinerer@logic.at>
76    
77            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
78            removal of attributes.
79    
80    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
83            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
84            Frölich.
85    
86    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/transform.R (removeWords): Allow longer stopword lists.
89    
90    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
91    
92            * R/reader.R (readXML): Readers can now set the document language
93            themselves.
94    
95    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
98            proposed by Milan Bouchet-Valat.
99    
100    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
101    
102            * R/matrix.R (termFreq): Fix processing of user provided
103            stopwords. Reported by Bettina Grün.
104    
105    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
106    
107            * R/matrix.R (termFreq): Fix invalid handling of
108            control$wordLengths[1]. Reported by Steven C. Bagley.
109    
110    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
111    
112            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
113    
114    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
115    
116            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
117    
118    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
119    
120            * R/transform.R (removePunctuation): Add option to preserve
121            intra-word dashes.
122    
123    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
124    
125            * R/matrix.R (termFreq): Allow reordering of control option
126            processing.
127    
128    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
129    
130            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
131            pdfinfo tool.
132    
133            * inst/stopwords/SMART.dat: Add SMART information retrieval system
134            stopwords (which are also used by the MC toolkit).
135    
136            * R/matrix (termFreq): Allow local option \code{bounds$local} to
137            restrict how often a term may appear in each document (generalizes
138            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
139            for word length bounds (generalizes \code{minWordLength}).
140    
141            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
142            \code{bounds$global} for restricting how often a term is allowed
143            to appear in different documents.
144    
145            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
146            local options delegated internally to termFreq() and global
147            options which are processed by the term-document matrix
148            constructor itself.
149    
150    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
151    
152            * man/getTokenizers.Rd: Document getTokenizers().
153    
154            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
155    
156    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
157    
158            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
159    
160            * man/combine.Rd: Document c.term_frequency().
161    
162    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
163    
164            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
165            can be accessed via '[' and not '[['.
166    
167    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
168    
169            * R/stopwords.R (stopwords): Raise an error if no stopwords are
170            available for requested language. Suggested by Derek M Jones.
171    
172    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
175            normalization.
176    
177    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/transform.R (stemDocument.PlainTextDocument): Use language
180            argument.
181    
182    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
183    
184            * R/source.R: Store strings and connections instead of unevaluated
185            calls.
186    
187    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
190    
191    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
192    
193            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
194            (instead of a list element).
195    
196    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
197    
198            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
199            documents by names (fallback to IDs if names are not set).
200    
201    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
202    
203            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
204            \code{recursive} now determines whether existing corpus meta data
205            is used.
206    
207    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
210    
211    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
212    
213            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
214            remove terms not occurring in the corpus anymore.
215    
216    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
217    
218            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
219            and Heaps' law.
220    
221    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
222    
223            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
224            provided by a source.
225    
226    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
227    
228            * R/source.R (.Source): Provide document names.
229    
230    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
231    
232            * R/meta.R (`content_or_meta`): Utility function.
233    
234    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
237            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
238    
239    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
240    
241            * R/weight.R (weightTfIdf): Added normalization option.
242    
243            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
244            analysis.
245    
246    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/score.R (tm_tag_score): Compute a score from the number of
249            tags matching in a document.
250    
251    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/complete.R (stemCompletion): New completion heuristics.
254    
255    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
258    
259    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
260    
261            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
262            setOldClass(c(..., "list")) works.
263    
264    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
265    
266            * R/transform.R (stemDocument.character): In case input is a
267            simple character just delegate to the default Snowball stemmer.
268    
269    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
270    
271            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
272            data.
273    
274    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
275    
276            * R/doc.R (`Content<-`): Be careful with names attribute.
277    
278    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
279    
280            * R/source.R (DirSource): Improved implementation especially when
281            handling many (> 1M) files.
282    
283    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
284    
285            * R/source.R (getElem.URISource): Use encoding argument.
286    
287    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
288    
289            * R/doc.R (setOldClass): Register S3 document classes to be
290            recognized by S4 methods.
291    
292    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
293    
294            * R/matrix.R (termFreq): Add option to remove punctuation
295            characters.
296    
297    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
298    
299            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
300            merging multiple term-document matrices.
301    
302    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
303    
304            * R/corpus.R (setOldClass): Register S3 corpus classes to be
305            recognized by S4 methods.
306    
307            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
308            that CRAN Mac OS X builds do not fail any longer.
309    
310    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
311    
312            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
313            of RWeka:AlphabeticTokenizer() as default.
314    
315    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
316    
317            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
318            caused words at the beginning or the end of a line not to be removed. Do
319            not delete whitespace anymore.
320    
321    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
322    
323            * R/source.R (DirSource): Default to working directory if no path
324            is specified.
325    
326    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/source.R (DirSource): Stop on empty directories.
329    
330    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
331    
332            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
333            named documents.
334    
335    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/transform.R (removeWords): Improve regular expressions.
338    
339    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
340    
341            * R/meta.R (DublinCore): Allow lower case tags.
342    
343    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
344    
345            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
346            instead of x$children.
347    
348    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
349    
350            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
351    
352    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
353    
354            * R/: Use S3 instead of S4 class system.
355    
356    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
357    
358            * R/reader.R (readMail): Moved to tm.plugin.mail package.
359    
360    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
361    
362            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
363            postings are basically e-mails with some extra headers.
364    
365    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
366    
367            * R/transform.R: Move convertMboxEml, removeCitation,
368            removeMultipart, and removeSignature to the tm.plugin.mail package
369            since they are mainly utility functions (for handling e-mails) and
370            not very framework specific.
371    
372    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
373    
374            * man/: Fix documentation.
375    
376    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
377    
378            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
379            plain text document instead of an XML document for texts of the
380            Reuters-21578 dataset.
381    
382            * R/sparse.R: Removed since the slam package is now available on
383            CRAN.
384    
385            * DESCRIPTION (Depends): Add slam package.
386    
387    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
388    
389            * R/transform.R (stemDoc): Fix character(0) handling.
390    
391    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
392    
393            * R/doc.R (show): Pretty print.
394    
395    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
396    
397            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
398            gracefully.
399    
400    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
401    
402            * R/corpus.R: Make corpus virtual. Implement corpus with standard
403            and permanent storage semantics.
404    
405            * DESCRIPTION: New major release. A *lot* of improvements.
406    
407    2009-05-04   Ingo Feinerer <feinerer@logic.at>
408    
409            * NAMESPACE: Export some simple_triplet_matrix functions.
410    
411    2009-04-28   Ingo Feinerer <feinerer@logic.at>
412    
413            * R/weight.R: Adapt tf-idf to new matrix format.
414    
415    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
416    
417            * R/matrix.R: Create two distinct classes for term-document and
418            document-term matrices.
419    
420    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
421    
422            * R/termdocmatrix.R: No longer use Matrix package. This reduces
423            package start-up time significantly.
424    
425    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
426    
427            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
428    
429    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
430    
431            * R/transform.R (tmReduce): Combine multiple maps into one
432            transformation.
433    
434    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
435    
436            * R/weight.R: Remove weightLogical since it does not return a
437            dgCMatrix.
438    
439            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
440            or TermDocumentMatrix instead.
441    
442    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
443    
444            * inst/doc/extensions.Rnw: Finished vignette.
445    
446    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
447    
448            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
449            DocumentTermMatrix representations.
450    
451    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
452    
453            * R/reader.R (readXML): New reader for arbitrary XML files.
454    
455    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
456    
457            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
458            (XMLSource): New XMLSource class for arbitrary XML files.
459            (Source): New slot Vectorized.
460    
461    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
462    
463            * R/reader.R (readTabular): Experimental reader for tabular data
464            structures which can be customized via user-defined mappings.
465    
466            * R/reader.R: Always use UTC time zone.
467    
468            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
469    
470    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
471    
472            * R/reader.R (readDOC): Options can be passed over to antiword.
473    
474            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
475            pdftotext.
476    
477    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
478    
479            * R/source.R (DirSource): Add pattern and ignore.case arguments
480            which are internally passed over to list.files().
481    
482    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
483    
484            * inst/doc/tm.Rnw: Suppress pointless loading message.
485    
486    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
487    
488            * DESCRIPTION: Speed up package loading (via moving packages not
489            strictly necessary for normal operation to Suggests instead of
490            Depends).
491    
492    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
493    
494            * R/reader.R (readNewsgroup): The date format is now configurable.
495    
496    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
497    
498            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
499    
500    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
501    
502            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
503    
504    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
505    
506            * R/source.R (DataframeSource): New source class for data frames.
507    
508            * R/source.R: Fixed non-standard call evaluation.
509    
510    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
511    
512            * R/source.R (URISource): New source class for a single document.
513    
514    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
515    
516            * R/source.R: Refactoring.
517    
518    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
519    
520            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
521            Rmpi installations more gracefully.
522    
523    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
524    
525            * R/source.R (Source): Add Length slot.
526    
527    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
528    
529            * R/AAA.R: Unify duplicated .onLoad function.
530    
531    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
532    
533            * DESCRIPTION (Suggests): Added Rmpi.
534    
535    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
536    
537            * R/source.R (getElem): Fix 'no visible binding' warning.
538    
539            * man/WeightFunction.Rd: Fix signature.
540    
541    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
542    
543            * R/weight.R: Introduce name abbreviations for weighting functions.
544    
545    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
546    
547            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
548    
549            * R/cluster.R: Provide convenience functions for using a MPI
550            cluster.
551    
552            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
553            available.
554    
555            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
556            available.
557    
558    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
559    
560            * R/textdoccol.R (lapply): Removed debug print out.
561    
562    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
563    
564            * R/reader.R (readRCV1): Improved meta data extraction from
565            Reuters Corpus Volume 1 documents.
566    
567    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * R/transform.R: Ensure that all mappings preserve multiline
570            structures.
571    
572    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
573    
574            * R/filter.R: Every filter has now an attribute indicating whether
575            it sould be applied to document level (doclevel).
576    
577            * R/textdoccol.R (tmFilter): Set searchFullText as new default
578            filter.
579    
580    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
581    
582            * R/transform.R (replacePatterns): Replaced removeWords by
583            replacePatterns. Suggested by Christian Buchta.
584    
585            * R/textdoccol.R (inspect): Improved formatting.
586    
587    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
588    
589            * inst/CITATION: Updated JSS article information.
590    
591            * R/textdoccol.R (setAs): Added coerce method from list to
592            corpus.
593    
594            * R/meta.R (meta): Improved meta data handling.
595    
596    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
597    
598            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
599            Christian Buchta.
600    
601            * inst/CITATION: Added template to include JSS article reference.
602    
603    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
604    
605            * R/textdoccol.R (tmMap): Introduced lazy mapping.
606    
607            * R/source.R: Added VectorSource.
608    
609    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
610    
611            * man/: Language codes should be in ISO 639-1 format.
612    
613            * R/textdoccol.R (asPlain): Preserve local meta data.
614    
615    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
616    
617            * R/textdoccol.R (writeCorpus): Function for writing a corpus
618            containing plain text documents to disk.
619    
620    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
623            always set correctly.
624    
625            * R/textdoccol.R: Set load = TRUE as default for load on demand
626            since in most cases this is the wanted behaviour.
627    
628    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
629    
630            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
631    
632            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
633    
634    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
635    
636            * R/meta.R (meta): New function for consistent access to meta data
637            of document collections, repositories, and texts.
638    
639    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
640    
641            * R/: Better support for encodings.
642    
643    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
644    
645            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
646            selection when no reader argument is given.
647    
648    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
649    
650            * R/source.R (CSVSource): Now uses read.csv instead of scan
651            internally.
652    
653    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
654    
655            * R/reader.R (getReaders): Returns available reader functions.
656    
657            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
658            as default.
659    
660    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
661    
662            * R/stopwords.R (stopwords): Shortened code, removed codetools
663            variable warnings.
664    
665            * man/: Documentation for showMeta, added an example for tmMap.
666    
667            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
668            some minor typos fixed.
669    
670    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
671    
672            * R/aobjects.R (showMeta): Added method for pretty printing a
673            text document's meta data.
674    
675    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
676    
677            * R/textdoccol.R (TextDocCol): Better handling of empty
678            arguments.
679    
680            * NAMESPACE: Exported readDOC.
681    
682            * man/completeStems.Rd: Added an example.
683    
684    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
685    
686            * R/stopwords.R (stopwords): Look up .dat files at every
687            call. Allows users to modify stopword .dat files interactively.
688    
689    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
690    
691            * R/termdocmatrix.R (termFreq): Correct processing of empty
692            documents.
693    
694    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * man/: Updated documentation.
697    
698    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
699    
700            * R/complete.R (completeStems): Completes (heuristically) word
701            stems.
702    
703            * R/termdocmatrix.R (TermDocMatrix2): New modular
704            constructor.
705    
706            * NAMESPACE: Exported termFreq.
707    
708    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
709    
710            * R/reader.R (readDOC): Added MS Word reader (using antiword).
711    
712    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
713    
714            * R/weight.R: Weighting functions for TermDocMatrix.
715    
716    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
717    
718            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
719            functions for accessing dimension, column, and row names.
720    
721            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
722    
723    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
724    
725            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
726    
727    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
728    
729            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
730    
731    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
732    
733            * R/reader.R (readPDF): Removed manual checks for pdftotext and
734            pdfinfo. The system call gives a warning anyway.
735    
736    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
737    
738            * R/textdoccol.R (asPlain): Conversion from
739            StructuredTextDocuments to PlainTextDocuments.
740    
741    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
742    
743            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
744            for accessing term-document matrices.
745    
746            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
747            are installed.
748    
749    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
750    
751            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
752            Christian Buchta.
753    
754    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
755    
756            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
757    
758    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
759    
760            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
761    
762            * R/reader.R (readPDF): Added PDF reader.
763    
764    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
765    
766            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
767    
768            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
769    
770            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
771    
772            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
773    
774    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
775    
776            * R/distmeasure.R (dissimilarity): Replaced dists call from
777            package cba by new dist call from package proxy.
778    
779    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
780    
781            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
782    
783    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
784    
785            * R/termdocmatrix.R: require() uses the quietly option to suppress
786            loading messages.
787    
788    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
789    
790            * R/dictionary.R: Added dictionary support.
791    
792    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
793    
794            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
795            documents. This simplifies some functions, e.g., asPlain.
796    
797    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
798    
799            * inst/doc/tm.Rnw: Fixed some typos in vignette.
800    
801    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
802    
803            * R/textdoccol.R (replaceWords): Added method to replace a set of
804            words by a single word. Useful for synonyms.
805    
806    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
807    
808            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
809    
810    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
811    
812            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
813            vectors. Thanks to Ariel Maguyon for his error report.
814            (removeSparseTerms): New function to remove columns from a
815            term-document matrix exceeding a sparse factor.
816    
817    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
818    
819            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
820    
821    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
822    
823            * man/sFilter.Rd: Corrected documentation on statement format (use
824            '==' instead of '=').
825    
826    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828            * R/aobjects.R (StructuredTextDocument): Inherits from
829            TextDocument.
830    
831    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
832    
833            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
834            on sparse matrices as proposed by Martin Maechler.
835    
836    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
837    
838            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
839            \pkg{filehash} version makes them deprecated.
840    
841    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
842    
843            * R/termdocmatrix.R (textvector): Stemming is now performed before
844            erasing stopwords.
845            (weightMatrix): Adapted to handle sparse matrices.
846            (TermDocMatrix): Sparse matrix is now efficiently built by
847            direct stepwise insertion of row values into it.
848    
849    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
850    
851            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
852            due to ongoing problems. For our purposes the latter is as useful
853            as the replaced package.
854    
855    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
856    
857            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
858    
859            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
860    
861    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
862    
863            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
864            languages with available stopwords.
865    
866    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
867    
868            * inst/doc/tm.Rnw: Minor corrections in the vignette.
869    
870    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
871    
872            * DESCRIPTION: Update to version 0.2, since a lot of new features
873            have been integrated.
874    
875            * inst/stopwords: Updated existing stopwords and added stopwords
876            for various other languages.
877    
878    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
879    
880            * man/: Updated documentation.
881    
882            * Work/testDb.R: Script to test database stuff.
883    
884            * R/: Fixed various database related bugs. Seems to be rather
885            useable now, i.e., consider as alpha status for now.
886    
887    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
888    
889            * R/: Fixed some bugs related to database support.
890    
891    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
892    
893            * man/: Added a lot of examples to the manuals.
894    
895    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
896    
897            * man/: Updated parts of the documentation.
898    
899            * R/textdoccol.R (asPlain): Added conversion from newsgroup
900            documents to plain text documents.
901    
902    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
903    
904            * R/textdoccol.R: Finished experimental database support. Not yet
905            intensively tested.
906    
907            * R/source.R: Now each source has a default reader.
908    
909            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
910            class anymore.
911    
912            * R/plaintextdoc.R: Custom show method for plain text documents.
913    
914            * R/aobjects.R: Added a class for structured text documents.
915    
916            * R/reader.R: Replaced remaining \code{parser} occurrences with
917            \code{reader}.
918    
919            * R/textdoccol.R (summary): Indent tags.
920    
921            * R/textdoccol.R (removePunctuation): Transform method to remove
922            punctuation marks.
923    
924    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
925    
926            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
927            using prescindMeta().
928    
929    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
930    
931            * R/textdoccol.R: Improved database support.
932    
933    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
934    
935            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
936    
937            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
938            language code.
939    
940            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
941            into parserControl argument.
942    
943            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
944    
945    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
946    
947            * Work/tmDataSetup.R: The datasets acq and crude can now be
948            created on the fly.
949    
950            * R/stopwords.R: Introduced a function returning the stopwords for
951            a given language (English, German and French at the moment)
952    
953            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
954            otherwise falls back to Snowball package.
955    
956    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
957    
958            * man/dissimilarity-methods.Rd: Make clear that any method offered
959            by "dists" from package "cba" can be used.
960    
961    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
962    
963            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
964            to Kurt's latex suggestion. Removed points and underscores in
965            variable names for consistent naming.
966    
967            * DESCRIPTION: Update to version 0.1-2.
968    
969            * man/TextRepository.Rd: Fixed bug in documentation.
970    
971    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
972    
973            * DESCRIPTION: Update to version 0.1-1.
974    
975    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
976    
977            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
978            wordStem.
979    
980    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
981    
982            * R/: Changes due to Kurt's review.
983    
984    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
985    
986            * R/: Implemented improvements based upon comments by David
987            Meyer.
988    
989    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
990    
991            * inst/doc/: Rewrote vignette.
992    
993            * man/: Improved documentation.
994    
995    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
996    
997            * man/: Updated documentation.
998    
999            * DESCRIPTION: Changed package name to "tm". Updated version to
1000            0.1 for first CRAN release.
1001    
1002            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
1003            list archive example.
1004    
1005            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
1006            archive example.
1007    
1008            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
1009            from (several mails per box) mbox format to (single mail per file)
1010            eml format.
1011    
1012    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1013    
1014            * data/crude.rda: Rebuilt.
1015    
1016            * data/acq.rda: Rebuilt.
1017    
1018            * R/reader.R: Factored out reader and parser methods from
1019            textdoccol.R.
1020    
1021            * R/source.R: Factored out Source methods from aobjects.R and
1022            textdoccol.R.
1023            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
1024            feeds.
1025    
1026            * R/textdoccol.R (DirSource): Added support for recursive
1027            traversal of directories.
1028    
1029    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1030    
1031            * R/textdoccol.R ([[): Loads the document corpus automatically
1032            into memory upon access.
1033            (tm_transform, tm_filter): Removed several checks whether the
1034            document is already loaded ([[ ensures this now).
1035            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
1036            mailing list archive.
1037    
1038    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1039    
1040            * R/aobjects.R (TextDocument): Is now a virtual class.
1041            (Source): Is now a virtual class.
1042    
1043    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1044    
1045            * R/textdoccol.R (c): Support for an arbitrary number of document
1046            collections.
1047    
1048    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1049    
1050            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
1051            append_meta and remove_meta.
1052    
1053            * R/textdoccol.R: Removed modify_metadata method.
1054    
1055            * R/textrepo.R: Removed modify_metadata method.
1056    
1057            * R/textdoccol.R (remove_meta): Supports removal of document
1058            collection metadata and document (= in data frame) metadata.
1059    
1060    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1061    
1062            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
1063    
1064            * data/crude.rda: Rebuilt.
1065    
1066            * data/acq.rda: Rebuilt.
1067    
1068            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
1069    
1070            * R/textdoccol.R ([): Bug fix for subsetting a document
1071            collection's data frame.
1072    
1073    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1074    
1075            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
1076            to s_filter.
1077    
1078            * R/textdoccol.R: Local text documents' metadata can now be copied
1079            to a document collection's data frame with prescind_meta.
1080    
1081    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1082    
1083            * R/: Text documents' slot metadata is now accessible in s_filter.
1084    
1085            * R/: Rewrote s_filter function (has still some restrictions).
1086    
1087    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1088    
1089            * R/: Various fixes in handling metadata.
1090    
1091            * R/: Added update mechanism for text document collections.
1092    
1093    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1094    
1095            * R/: Merging of document collections now creates a binary tree
1096            for reconstructing merged document collections.
1097    
1098            * R/: Redesign of metadata for document collections.
1099    
1100    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1101    
1102            * R/: Messages now use \code{ngettext}.
1103    
1104    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1105    
1106            * R/: Added functions for modifying and removing metadata.
1107    
1108    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1109    
1110            * man/: Updated some documentation.
1111    
1112            * R/: Corrected some connection issues.
1113    
1114            * inst/doc: Worked on the vignette.
1115    
1116    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1117    
1118            * inst/: Added texts and started vignette.
1119    
1120            * R/: Final changes based upon David's comments.
1121    
1122    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1123    
1124            * NAMESPACE: Corrected exports (generic methods need exportMethods
1125            directives!).
1126    
1127    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1128    
1129            * R/: Modified the TextDocCol constructur and various parsers. It
1130            is now modular and supports various file formats via plugins (see
1131            the new "Source" class).
1132    
1133    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1134    
1135            * man/: Revised documentation after previous code changes.
1136    
1137    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1138    
1139            * R/: Remaining changes as discussed with David.
1140    
1141    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1142    
1143            * R/: Some changes as suggested by David. The rest will follow
1144            within the next days.
1145    
1146  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1147    
1148          * man/: Finished documentation.          * man/: Finished documentation.

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