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trunk/tm/ChangeLog revision 711, Tue Jan 30 13:03:55 2007 UTC pkg/ChangeLog revision 1231, Wed Jul 10 06:51:26 2013 UTC
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1    2013-07-10  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
4            command line tool) instead of tools:::pdf_info().
5    
6    2013-04-11  Ingo Feinerer <feinerer@logic.at>
7    
8            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
9            to determine character types.
10    
11    2012-12-14  Ingo Feinerer <feinerer@logic.at>
12    
13            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
14            when generating a simple_triplet_matrix. Reported by Arho Suominen.
15    
16    2012-12-10  Ingo Feinerer <feinerer@logic.at>
17    
18            * man/tm_reduce.Rd: Document right to left folding order. Adapt
19            example as well. Suggested by Mark Rosenstein.
20    
21    2012-12-04  Ingo Feinerer <feinerer@logic.at>
22    
23            * R/filter.R (sFilter): Avoid attach() and simplify.
24    
25    2012-11-02  Ingo Feinerer <feinerer@logic.at>
26    
27            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
28            removal of attributes.
29    
30    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
33            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
34            Frölich.
35    
36    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/transform.R (removeWords): Allow longer stopword lists.
39    
40    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/reader.R (readXML): Readers can now set the document language
43            themselves.
44    
45    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
48            proposed by Milan Bouchet-Valat.
49    
50    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/matrix.R (termFreq): Fix processing of user provided
53            stopwords. Reported by Bettina Grün.
54    
55    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/matrix.R (termFreq): Fix invalid handling of
58            control$wordLengths[1]. Reported by Steven C. Bagley.
59    
60    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
61    
62            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
63    
64    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
65    
66            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
67    
68    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/transform.R (removePunctuation): Add option to preserve
71            intra-word dashes.
72    
73    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/matrix.R (termFreq): Allow reordering of control option
76            processing.
77    
78    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
81            pdfinfo tool.
82    
83            * inst/stopwords/SMART.dat: Add SMART information retrieval system
84            stopwords (which are also used by the MC toolkit).
85    
86            * R/matrix (termFreq): Allow local option \code{bounds$local} to
87            restrict how often a term may appear in each document (generalizes
88            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
89            for word length bounds (generalizes \code{minWordLength}).
90    
91            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
92            \code{bounds$global} for restricting how often a term is allowed
93            to appear in different documents.
94    
95            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
96            local options delegated internally to termFreq() and global
97            options which are processed by the term-document matrix
98            constructor itself.
99    
100    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
101    
102            * man/getTokenizers.Rd: Document getTokenizers().
103    
104            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
105    
106    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
107    
108            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
109    
110            * man/combine.Rd: Document c.term_frequency().
111    
112    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
115            can be accessed via '[' and not '[['.
116    
117    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/stopwords.R (stopwords): Raise an error if no stopwords are
120            available for requested language. Suggested by Derek M Jones.
121    
122    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
125            normalization.
126    
127    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/transform.R (stemDocument.PlainTextDocument): Use language
130            argument.
131    
132    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/source.R: Store strings and connections instead of unevaluated
135            calls.
136    
137    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
140    
141    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
144            (instead of a list element).
145    
146    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
147    
148            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
149            documents by names (fallback to IDs if names are not set).
150    
151    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
154            \code{recursive} now determines whether existing corpus meta data
155            is used.
156    
157    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
158    
159            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
160    
161    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
164            remove terms not occurring in the corpus anymore.
165    
166    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
169            and Heaps' law.
170    
171    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
172    
173            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
174            provided by a source.
175    
176    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
177    
178            * R/source.R (.Source): Provide document names.
179    
180    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
181    
182            * R/meta.R (`content_or_meta`): Utility function.
183    
184    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
187            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
188    
189    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
190    
191            * R/weight.R (weightTfIdf): Added normalization option.
192    
193            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
194            analysis.
195    
196    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
197    
198            * R/score.R (tm_tag_score): Compute a score from the number of
199            tags matching in a document.
200    
201    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
202    
203            * R/complete.R (stemCompletion): New completion heuristics.
204    
205    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
206    
207            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
208    
209    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
210    
211            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
212            setOldClass(c(..., "list")) works.
213    
214    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/transform.R (stemDocument.character): In case input is a
217            simple character just delegate to the default Snowball stemmer.
218    
219    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
220    
221            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
222            data.
223    
224    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
225    
226            * R/doc.R (`Content<-`): Be careful with names attribute.
227    
228    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
229    
230            * R/source.R (DirSource): Improved implementation especially when
231            handling many (> 1M) files.
232    
233    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
234    
235            * R/source.R (getElem.URISource): Use encoding argument.
236    
237    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
238    
239            * R/doc.R (setOldClass): Register S3 document classes to be
240            recognized by S4 methods.
241    
242    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/matrix.R (termFreq): Add option to remove punctuation
245            characters.
246    
247    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
248    
249            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
250            merging multiple term-document matrices.
251    
252    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
253    
254            * R/corpus.R (setOldClass): Register S3 corpus classes to be
255            recognized by S4 methods.
256    
257            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
258            that CRAN Mac OS X builds do not fail any longer.
259    
260    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
263            of RWeka:AlphabeticTokenizer() as default.
264    
265    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
268            caused words at the beginning or the end of a line not to be removed. Do
269            not delete whitespace anymore.
270    
271    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
272    
273            * R/source.R (DirSource): Default to working directory if no path
274            is specified.
275    
276    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
277    
278            * R/source.R (DirSource): Stop on empty directories.
279    
280    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
281    
282            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
283            named documents.
284    
285    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
286    
287            * R/transform.R (removeWords): Improve regular expressions.
288    
289    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
290    
291            * R/meta.R (DublinCore): Allow lower case tags.
292    
293    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
294    
295            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
296            instead of x$children.
297    
298    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
299    
300            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
301    
302    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
303    
304            * R/: Use S3 instead of S4 class system.
305    
306    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
307    
308            * R/reader.R (readMail): Moved to tm.plugin.mail package.
309    
310    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
311    
312            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
313            postings are basically e-mails with some extra headers.
314    
315    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
316    
317            * R/transform.R: Move convertMboxEml, removeCitation,
318            removeMultipart, and removeSignature to the tm.plugin.mail package
319            since they are mainly utility functions (for handling e-mails) and
320            not very framework specific.
321    
322    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
323    
324            * man/: Fix documentation.
325    
326    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
329            plain text document instead of an XML document for texts of the
330            Reuters-21578 dataset.
331    
332            * R/sparse.R: Removed since the slam package is now available on
333            CRAN.
334    
335            * DESCRIPTION (Depends): Add slam package.
336    
337    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
338    
339            * R/transform.R (stemDoc): Fix character(0) handling.
340    
341    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
342    
343            * R/doc.R (show): Pretty print.
344    
345    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
346    
347            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
348            gracefully.
349    
350    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
351    
352            * R/corpus.R: Make corpus virtual. Implement corpus with standard
353            and permanent storage semantics.
354    
355            * DESCRIPTION: New major release. A *lot* of improvements.
356    
357    2009-05-04   Ingo Feinerer <feinerer@logic.at>
358    
359            * NAMESPACE: Export some simple_triplet_matrix functions.
360    
361    2009-04-28   Ingo Feinerer <feinerer@logic.at>
362    
363            * R/weight.R: Adapt tf-idf to new matrix format.
364    
365    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
366    
367            * R/matrix.R: Create two distinct classes for term-document and
368            document-term matrices.
369    
370    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
371    
372            * R/termdocmatrix.R: No longer use Matrix package. This reduces
373            package start-up time significantly.
374    
375    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
376    
377            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
378    
379    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
380    
381            * R/transform.R (tmReduce): Combine multiple maps into one
382            transformation.
383    
384    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
385    
386            * R/weight.R: Remove weightLogical since it does not return a
387            dgCMatrix.
388    
389            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
390            or TermDocumentMatrix instead.
391    
392    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
393    
394            * inst/doc/extensions.Rnw: Finished vignette.
395    
396    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
397    
398            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
399            DocumentTermMatrix representations.
400    
401    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
402    
403            * R/reader.R (readXML): New reader for arbitrary XML files.
404    
405    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
406    
407            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
408            (XMLSource): New XMLSource class for arbitrary XML files.
409            (Source): New slot Vectorized.
410    
411    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
412    
413            * R/reader.R (readTabular): Experimental reader for tabular data
414            structures which can be customized via user-defined mappings.
415    
416            * R/reader.R: Always use UTC time zone.
417    
418            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
419    
420    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
421    
422            * R/reader.R (readDOC): Options can be passed over to antiword.
423    
424            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
425            pdftotext.
426    
427    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
428    
429            * R/source.R (DirSource): Add pattern and ignore.case arguments
430            which are internally passed over to list.files().
431    
432    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
433    
434            * inst/doc/tm.Rnw: Suppress pointless loading message.
435    
436    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
437    
438            * DESCRIPTION: Speed up package loading (via moving packages not
439            strictly necessary for normal operation to Suggests instead of
440            Depends).
441    
442    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
443    
444            * R/reader.R (readNewsgroup): The date format is now configurable.
445    
446    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
447    
448            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
449    
450    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
451    
452            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
453    
454    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
455    
456            * R/source.R (DataframeSource): New source class for data frames.
457    
458            * R/source.R: Fixed non-standard call evaluation.
459    
460    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
461    
462            * R/source.R (URISource): New source class for a single document.
463    
464    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
465    
466            * R/source.R: Refactoring.
467    
468    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
469    
470            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
471            Rmpi installations more gracefully.
472    
473    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
474    
475            * R/source.R (Source): Add Length slot.
476    
477    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
478    
479            * R/AAA.R: Unify duplicated .onLoad function.
480    
481    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
482    
483            * DESCRIPTION (Suggests): Added Rmpi.
484    
485    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
486    
487            * R/source.R (getElem): Fix 'no visible binding' warning.
488    
489            * man/WeightFunction.Rd: Fix signature.
490    
491    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
492    
493            * R/weight.R: Introduce name abbreviations for weighting functions.
494    
495    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
496    
497            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
498    
499            * R/cluster.R: Provide convenience functions for using a MPI
500            cluster.
501    
502            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
503            available.
504    
505            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
506            available.
507    
508    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
509    
510            * R/textdoccol.R (lapply): Removed debug print out.
511    
512    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
513    
514            * R/reader.R (readRCV1): Improved meta data extraction from
515            Reuters Corpus Volume 1 documents.
516    
517    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
518    
519            * R/transform.R: Ensure that all mappings preserve multiline
520            structures.
521    
522    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
523    
524            * R/filter.R: Every filter has now an attribute indicating whether
525            it sould be applied to document level (doclevel).
526    
527            * R/textdoccol.R (tmFilter): Set searchFullText as new default
528            filter.
529    
530    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
531    
532            * R/transform.R (replacePatterns): Replaced removeWords by
533            replacePatterns. Suggested by Christian Buchta.
534    
535            * R/textdoccol.R (inspect): Improved formatting.
536    
537    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
538    
539            * inst/CITATION: Updated JSS article information.
540    
541            * R/textdoccol.R (setAs): Added coerce method from list to
542            corpus.
543    
544            * R/meta.R (meta): Improved meta data handling.
545    
546    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
547    
548            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
549            Christian Buchta.
550    
551            * inst/CITATION: Added template to include JSS article reference.
552    
553    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
554    
555            * R/textdoccol.R (tmMap): Introduced lazy mapping.
556    
557            * R/source.R: Added VectorSource.
558    
559    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
560    
561            * man/: Language codes should be in ISO 639-1 format.
562    
563            * R/textdoccol.R (asPlain): Preserve local meta data.
564    
565    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
566    
567            * R/textdoccol.R (writeCorpus): Function for writing a corpus
568            containing plain text documents to disk.
569    
570    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
571    
572            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
573            always set correctly.
574    
575            * R/textdoccol.R: Set load = TRUE as default for load on demand
576            since in most cases this is the wanted behaviour.
577    
578    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
579    
580            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
581    
582            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
583    
584    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
585    
586            * R/meta.R (meta): New function for consistent access to meta data
587            of document collections, repositories, and texts.
588    
589    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
590    
591            * R/: Better support for encodings.
592    
593    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
594    
595            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
596            selection when no reader argument is given.
597    
598    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
599    
600            * R/source.R (CSVSource): Now uses read.csv instead of scan
601            internally.
602    
603    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
604    
605            * R/reader.R (getReaders): Returns available reader functions.
606    
607            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
608            as default.
609    
610    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
611    
612            * R/stopwords.R (stopwords): Shortened code, removed codetools
613            variable warnings.
614    
615            * man/: Documentation for showMeta, added an example for tmMap.
616    
617            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
618            some minor typos fixed.
619    
620    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/aobjects.R (showMeta): Added method for pretty printing a
623            text document's meta data.
624    
625    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
626    
627            * R/textdoccol.R (TextDocCol): Better handling of empty
628            arguments.
629    
630            * NAMESPACE: Exported readDOC.
631    
632            * man/completeStems.Rd: Added an example.
633    
634    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
635    
636            * R/stopwords.R (stopwords): Look up .dat files at every
637            call. Allows users to modify stopword .dat files interactively.
638    
639    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
640    
641            * R/termdocmatrix.R (termFreq): Correct processing of empty
642            documents.
643    
644    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
645    
646            * man/: Updated documentation.
647    
648    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
649    
650            * R/complete.R (completeStems): Completes (heuristically) word
651            stems.
652    
653            * R/termdocmatrix.R (TermDocMatrix2): New modular
654            constructor.
655    
656            * NAMESPACE: Exported termFreq.
657    
658    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
659    
660            * R/reader.R (readDOC): Added MS Word reader (using antiword).
661    
662    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
663    
664            * R/weight.R: Weighting functions for TermDocMatrix.
665    
666    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
667    
668            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
669            functions for accessing dimension, column, and row names.
670    
671            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
672    
673    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
674    
675            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
676    
677    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
678    
679            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
680    
681    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
682    
683            * R/reader.R (readPDF): Removed manual checks for pdftotext and
684            pdfinfo. The system call gives a warning anyway.
685    
686    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
687    
688            * R/textdoccol.R (asPlain): Conversion from
689            StructuredTextDocuments to PlainTextDocuments.
690    
691    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
692    
693            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
694            for accessing term-document matrices.
695    
696            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
697            are installed.
698    
699    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
702            Christian Buchta.
703    
704    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
705    
706            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
707    
708    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
709    
710            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
711    
712            * R/reader.R (readPDF): Added PDF reader.
713    
714    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
715    
716            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
717    
718            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
719    
720            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
721    
722            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
723    
724    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
725    
726            * R/distmeasure.R (dissimilarity): Replaced dists call from
727            package cba by new dist call from package proxy.
728    
729    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
730    
731            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
732    
733    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
734    
735            * R/termdocmatrix.R: require() uses the quietly option to suppress
736            loading messages.
737    
738    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
739    
740            * R/dictionary.R: Added dictionary support.
741    
742    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
743    
744            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
745            documents. This simplifies some functions, e.g., asPlain.
746    
747    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
748    
749            * inst/doc/tm.Rnw: Fixed some typos in vignette.
750    
751    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
752    
753            * R/textdoccol.R (replaceWords): Added method to replace a set of
754            words by a single word. Useful for synonyms.
755    
756    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
759    
760    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
761    
762            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
763            vectors. Thanks to Ariel Maguyon for his error report.
764            (removeSparseTerms): New function to remove columns from a
765            term-document matrix exceeding a sparse factor.
766    
767    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
768    
769            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
770    
771    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
772    
773            * man/sFilter.Rd: Corrected documentation on statement format (use
774            '==' instead of '=').
775    
776    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
777    
778            * R/aobjects.R (StructuredTextDocument): Inherits from
779            TextDocument.
780    
781    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
782    
783            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
784            on sparse matrices as proposed by Martin Maechler.
785    
786    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
787    
788            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
789            \pkg{filehash} version makes them deprecated.
790    
791    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
792    
793            * R/termdocmatrix.R (textvector): Stemming is now performed before
794            erasing stopwords.
795            (weightMatrix): Adapted to handle sparse matrices.
796            (TermDocMatrix): Sparse matrix is now efficiently built by
797            direct stepwise insertion of row values into it.
798    
799    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
800    
801            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
802            due to ongoing problems. For our purposes the latter is as useful
803            as the replaced package.
804    
805    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
806    
807            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
808    
809            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
810    
811    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
812    
813            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
814            languages with available stopwords.
815    
816    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
817    
818            * inst/doc/tm.Rnw: Minor corrections in the vignette.
819    
820    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
821    
822            * DESCRIPTION: Update to version 0.2, since a lot of new features
823            have been integrated.
824    
825            * inst/stopwords: Updated existing stopwords and added stopwords
826            for various other languages.
827    
828    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
829    
830            * man/: Updated documentation.
831    
832            * Work/testDb.R: Script to test database stuff.
833    
834            * R/: Fixed various database related bugs. Seems to be rather
835            useable now, i.e., consider as alpha status for now.
836    
837    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
838    
839            * R/: Fixed some bugs related to database support.
840    
841    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
842    
843            * man/: Added a lot of examples to the manuals.
844    
845    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
846    
847            * man/: Updated parts of the documentation.
848    
849            * R/textdoccol.R (asPlain): Added conversion from newsgroup
850            documents to plain text documents.
851    
852    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
853    
854            * R/textdoccol.R: Finished experimental database support. Not yet
855            intensively tested.
856    
857            * R/source.R: Now each source has a default reader.
858    
859            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
860            class anymore.
861    
862            * R/plaintextdoc.R: Custom show method for plain text documents.
863    
864            * R/aobjects.R: Added a class for structured text documents.
865    
866            * R/reader.R: Replaced remaining \code{parser} occurrences with
867            \code{reader}.
868    
869            * R/textdoccol.R (summary): Indent tags.
870    
871            * R/textdoccol.R (removePunctuation): Transform method to remove
872            punctuation marks.
873    
874    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
875    
876            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
877            using prescindMeta().
878    
879    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
880    
881            * R/textdoccol.R: Improved database support.
882    
883    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
884    
885            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
886    
887            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
888            language code.
889    
890            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
891            into parserControl argument.
892    
893            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
894    
895    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
896    
897            * Work/tmDataSetup.R: The datasets acq and crude can now be
898            created on the fly.
899    
900            * R/stopwords.R: Introduced a function returning the stopwords for
901            a given language (English, German and French at the moment)
902    
903            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
904            otherwise falls back to Snowball package.
905    
906  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
907    
908          * man/dissimilarity-methods.Rd: Make clear that any method offered          * man/dissimilarity-methods.Rd: Make clear that any method offered

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