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trunk/tm/ChangeLog revision 719, Sun Mar 18 09:24:47 2007 UTC pkg/ChangeLog revision 1175, Wed Feb 1 06:08:02 2012 UTC
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1    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readXML): Readers can now set the document language
4            themselves.
5    
6    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
9            proposed by Milan Bouchet-Valat.
10    
11    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/matrix.R (termFreq): Fix processing of user provided
14            stopwords. Reported by Bettina GrĂ¼n.
15    
16    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/matrix.R (termFreq): Fix invalid handling of
19            control$wordLengths[1]. Reported by Steven C. Bagley.
20    
21    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
22    
23            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
24    
25    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
28    
29    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/transform.R (removePunctuation): Add option to preserve
32            intra-word dashes.
33    
34    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
35    
36            * R/matrix.R (termFreq): Allow reordering of control option
37            processing.
38    
39    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
42            pdfinfo tool.
43    
44            * inst/stopwords/SMART.dat: Add SMART information retrieval system
45            stopwords (which are also used by the MC toolkit).
46    
47            * R/matrix (termFreq): Allow local option \code{bounds$local} to
48            restrict how often a term may appear in each document (generalizes
49            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
50            for word length bounds (generalizes \code{minWordLength}).
51    
52            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
53            \code{bounds$global} for restricting how often a term is allowed
54            to appear in different documents.
55    
56            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
57            local options delegated internally to termFreq() and global
58            options which are processed by the term-document matrix
59            constructor itself.
60    
61    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
62    
63            * man/getTokenizers.Rd: Document getTokenizers().
64    
65            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
66    
67    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
68    
69            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
70    
71            * man/combine.Rd: Document c.term_frequency().
72    
73    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
76            can be accessed via '[' and not '[['.
77    
78    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/stopwords.R (stopwords): Raise an error if no stopwords are
81            available for requested language. Suggested by Derek M Jones.
82    
83    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
86            normalization.
87    
88    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/transform.R (stemDocument.PlainTextDocument): Use language
91            argument.
92    
93    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
94    
95            * R/source.R: Store strings and connections instead of unevaluated
96            calls.
97    
98    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
101    
102    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
105            (instead of a list element).
106    
107    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
110            documents by names (fallback to IDs if names are not set).
111    
112    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
115            \code{recursive} now determines whether existing corpus meta data
116            is used.
117    
118    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
119    
120            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
121    
122    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
125            remove terms not occurring in the corpus anymore.
126    
127    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
130            and Heaps' law.
131    
132    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
135            provided by a source.
136    
137    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/source.R (.Source): Provide document names.
140    
141    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/meta.R (`content_or_meta`): Utility function.
144    
145    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
146    
147            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
148            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
149    
150    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/weight.R (weightTfIdf): Added normalization option.
153    
154            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
155            analysis.
156    
157    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
158    
159            * R/score.R (tm_tag_score): Compute a score from the number of
160            tags matching in a document.
161    
162    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
163    
164            * R/complete.R (stemCompletion): New completion heuristics.
165    
166    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
169    
170    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
171    
172            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
173            setOldClass(c(..., "list")) works.
174    
175    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/transform.R (stemDocument.character): In case input is a
178            simple character just delegate to the default Snowball stemmer.
179    
180    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
181    
182            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
183            data.
184    
185    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
186    
187            * R/doc.R (`Content<-`): Be careful with names attribute.
188    
189    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
190    
191            * R/source.R (DirSource): Improved implementation especially when
192            handling many (> 1M) files.
193    
194    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/source.R (getElem.URISource): Use encoding argument.
197    
198    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
199    
200            * R/doc.R (setOldClass): Register S3 document classes to be
201            recognized by S4 methods.
202    
203    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
204    
205            * R/matrix.R (termFreq): Add option to remove punctuation
206            characters.
207    
208    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
209    
210            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
211            merging multiple term-document matrices.
212    
213    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
214    
215            * R/corpus.R (setOldClass): Register S3 corpus classes to be
216            recognized by S4 methods.
217    
218            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
219            that CRAN Mac OS X builds do not fail any longer.
220    
221    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
222    
223            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
224            of RWeka:AlphabeticTokenizer() as default.
225    
226    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
227    
228            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
229            caused words at the beginning or the end of a line not to be removed. Do
230            not delete whitespace anymore.
231    
232    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
233    
234            * R/source.R (DirSource): Default to working directory if no path
235            is specified.
236    
237    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
238    
239            * R/source.R (DirSource): Stop on empty directories.
240    
241    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
242    
243            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
244            named documents.
245    
246    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/transform.R (removeWords): Improve regular expressions.
249    
250    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
251    
252            * R/meta.R (DublinCore): Allow lower case tags.
253    
254    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
255    
256            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
257            instead of x$children.
258    
259    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
260    
261            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
262    
263    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
264    
265            * R/: Use S3 instead of S4 class system.
266    
267    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
268    
269            * R/reader.R (readMail): Moved to tm.plugin.mail package.
270    
271    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
272    
273            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
274            postings are basically e-mails with some extra headers.
275    
276    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
277    
278            * R/transform.R: Move convertMboxEml, removeCitation,
279            removeMultipart, and removeSignature to the tm.plugin.mail package
280            since they are mainly utility functions (for handling e-mails) and
281            not very framework specific.
282    
283    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
284    
285            * man/: Fix documentation.
286    
287    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
288    
289            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
290            plain text document instead of an XML document for texts of the
291            Reuters-21578 dataset.
292    
293            * R/sparse.R: Removed since the slam package is now available on
294            CRAN.
295    
296            * DESCRIPTION (Depends): Add slam package.
297    
298    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
299    
300            * R/transform.R (stemDoc): Fix character(0) handling.
301    
302    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
303    
304            * R/doc.R (show): Pretty print.
305    
306    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
307    
308            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
309            gracefully.
310    
311    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
312    
313            * R/corpus.R: Make corpus virtual. Implement corpus with standard
314            and permanent storage semantics.
315    
316            * DESCRIPTION: New major release. A *lot* of improvements.
317    
318    2009-05-04   Ingo Feinerer <feinerer@logic.at>
319    
320            * NAMESPACE: Export some simple_triplet_matrix functions.
321    
322    2009-04-28   Ingo Feinerer <feinerer@logic.at>
323    
324            * R/weight.R: Adapt tf-idf to new matrix format.
325    
326    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/matrix.R: Create two distinct classes for term-document and
329            document-term matrices.
330    
331    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
332    
333            * R/termdocmatrix.R: No longer use Matrix package. This reduces
334            package start-up time significantly.
335    
336    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
337    
338            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
339    
340    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
341    
342            * R/transform.R (tmReduce): Combine multiple maps into one
343            transformation.
344    
345    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
346    
347            * R/weight.R: Remove weightLogical since it does not return a
348            dgCMatrix.
349    
350            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
351            or TermDocumentMatrix instead.
352    
353    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
354    
355            * inst/doc/extensions.Rnw: Finished vignette.
356    
357    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
358    
359            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
360            DocumentTermMatrix representations.
361    
362    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
363    
364            * R/reader.R (readXML): New reader for arbitrary XML files.
365    
366    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
367    
368            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
369            (XMLSource): New XMLSource class for arbitrary XML files.
370            (Source): New slot Vectorized.
371    
372    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
373    
374            * R/reader.R (readTabular): Experimental reader for tabular data
375            structures which can be customized via user-defined mappings.
376    
377            * R/reader.R: Always use UTC time zone.
378    
379            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
380    
381    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
382    
383            * R/reader.R (readDOC): Options can be passed over to antiword.
384    
385            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
386            pdftotext.
387    
388    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
389    
390            * R/source.R (DirSource): Add pattern and ignore.case arguments
391            which are internally passed over to list.files().
392    
393    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
394    
395            * inst/doc/tm.Rnw: Suppress pointless loading message.
396    
397    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
398    
399            * DESCRIPTION: Speed up package loading (via moving packages not
400            strictly necessary for normal operation to Suggests instead of
401            Depends).
402    
403    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
404    
405            * R/reader.R (readNewsgroup): The date format is now configurable.
406    
407    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
408    
409            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
410    
411    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
412    
413            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
414    
415    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
416    
417            * R/source.R (DataframeSource): New source class for data frames.
418    
419            * R/source.R: Fixed non-standard call evaluation.
420    
421    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
422    
423            * R/source.R (URISource): New source class for a single document.
424    
425    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
426    
427            * R/source.R: Refactoring.
428    
429    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
430    
431            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
432            Rmpi installations more gracefully.
433    
434    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
435    
436            * R/source.R (Source): Add Length slot.
437    
438    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
439    
440            * R/AAA.R: Unify duplicated .onLoad function.
441    
442    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
443    
444            * DESCRIPTION (Suggests): Added Rmpi.
445    
446    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
447    
448            * R/source.R (getElem): Fix 'no visible binding' warning.
449    
450            * man/WeightFunction.Rd: Fix signature.
451    
452    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
453    
454            * R/weight.R: Introduce name abbreviations for weighting functions.
455    
456    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
457    
458            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
459    
460            * R/cluster.R: Provide convenience functions for using a MPI
461            cluster.
462    
463            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
464            available.
465    
466            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
467            available.
468    
469    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
470    
471            * R/textdoccol.R (lapply): Removed debug print out.
472    
473    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * R/reader.R (readRCV1): Improved meta data extraction from
476            Reuters Corpus Volume 1 documents.
477    
478    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
479    
480            * R/transform.R: Ensure that all mappings preserve multiline
481            structures.
482    
483    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
484    
485            * R/filter.R: Every filter has now an attribute indicating whether
486            it sould be applied to document level (doclevel).
487    
488            * R/textdoccol.R (tmFilter): Set searchFullText as new default
489            filter.
490    
491    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
492    
493            * R/transform.R (replacePatterns): Replaced removeWords by
494            replacePatterns. Suggested by Christian Buchta.
495    
496            * R/textdoccol.R (inspect): Improved formatting.
497    
498    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
499    
500            * inst/CITATION: Updated JSS article information.
501    
502            * R/textdoccol.R (setAs): Added coerce method from list to
503            corpus.
504    
505            * R/meta.R (meta): Improved meta data handling.
506    
507    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
508    
509            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
510            Christian Buchta.
511    
512            * inst/CITATION: Added template to include JSS article reference.
513    
514    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * R/textdoccol.R (tmMap): Introduced lazy mapping.
517    
518            * R/source.R: Added VectorSource.
519    
520    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
521    
522            * man/: Language codes should be in ISO 639-1 format.
523    
524            * R/textdoccol.R (asPlain): Preserve local meta data.
525    
526    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
527    
528            * R/textdoccol.R (writeCorpus): Function for writing a corpus
529            containing plain text documents to disk.
530    
531    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
532    
533            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
534            always set correctly.
535    
536            * R/textdoccol.R: Set load = TRUE as default for load on demand
537            since in most cases this is the wanted behaviour.
538    
539    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
540    
541            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
542    
543            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
544    
545    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
546    
547            * R/meta.R (meta): New function for consistent access to meta data
548            of document collections, repositories, and texts.
549    
550    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
551    
552            * R/: Better support for encodings.
553    
554    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
555    
556            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
557            selection when no reader argument is given.
558    
559    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
560    
561            * R/source.R (CSVSource): Now uses read.csv instead of scan
562            internally.
563    
564    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
565    
566            * R/reader.R (getReaders): Returns available reader functions.
567    
568            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
569            as default.
570    
571    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
572    
573            * R/stopwords.R (stopwords): Shortened code, removed codetools
574            variable warnings.
575    
576            * man/: Documentation for showMeta, added an example for tmMap.
577    
578            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
579            some minor typos fixed.
580    
581    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
582    
583            * R/aobjects.R (showMeta): Added method for pretty printing a
584            text document's meta data.
585    
586    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
587    
588            * R/textdoccol.R (TextDocCol): Better handling of empty
589            arguments.
590    
591            * NAMESPACE: Exported readDOC.
592    
593            * man/completeStems.Rd: Added an example.
594    
595    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
596    
597            * R/stopwords.R (stopwords): Look up .dat files at every
598            call. Allows users to modify stopword .dat files interactively.
599    
600    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
601    
602            * R/termdocmatrix.R (termFreq): Correct processing of empty
603            documents.
604    
605    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * man/: Updated documentation.
608    
609    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
610    
611            * R/complete.R (completeStems): Completes (heuristically) word
612            stems.
613    
614            * R/termdocmatrix.R (TermDocMatrix2): New modular
615            constructor.
616    
617            * NAMESPACE: Exported termFreq.
618    
619    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
620    
621            * R/reader.R (readDOC): Added MS Word reader (using antiword).
622    
623    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
624    
625            * R/weight.R: Weighting functions for TermDocMatrix.
626    
627    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
628    
629            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
630            functions for accessing dimension, column, and row names.
631    
632            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
633    
634    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
635    
636            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
637    
638    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
639    
640            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
641    
642    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
643    
644            * R/reader.R (readPDF): Removed manual checks for pdftotext and
645            pdfinfo. The system call gives a warning anyway.
646    
647    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
648    
649            * R/textdoccol.R (asPlain): Conversion from
650            StructuredTextDocuments to PlainTextDocuments.
651    
652    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
653    
654            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
655            for accessing term-document matrices.
656    
657            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
658            are installed.
659    
660    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
661    
662            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
663            Christian Buchta.
664    
665    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
666    
667            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
668    
669    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
670    
671            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
672    
673            * R/reader.R (readPDF): Added PDF reader.
674    
675    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
676    
677            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
678    
679            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
680    
681            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
682    
683            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
684    
685    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
686    
687            * R/distmeasure.R (dissimilarity): Replaced dists call from
688            package cba by new dist call from package proxy.
689    
690    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
691    
692            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
693    
694    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * R/termdocmatrix.R: require() uses the quietly option to suppress
697            loading messages.
698    
699    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * R/dictionary.R: Added dictionary support.
702    
703    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
704    
705            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
706            documents. This simplifies some functions, e.g., asPlain.
707    
708    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
709    
710            * inst/doc/tm.Rnw: Fixed some typos in vignette.
711    
712    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
713    
714            * R/textdoccol.R (replaceWords): Added method to replace a set of
715            words by a single word. Useful for synonyms.
716    
717    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
718    
719            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
720    
721    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
722    
723            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
724            vectors. Thanks to Ariel Maguyon for his error report.
725            (removeSparseTerms): New function to remove columns from a
726            term-document matrix exceeding a sparse factor.
727    
728    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
729    
730            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
731    
732    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
733    
734            * man/sFilter.Rd: Corrected documentation on statement format (use
735            '==' instead of '=').
736    
737    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
738    
739            * R/aobjects.R (StructuredTextDocument): Inherits from
740            TextDocument.
741    
742    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
743    
744            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
745            on sparse matrices as proposed by Martin Maechler.
746    
747    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
748    
749            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
750            \pkg{filehash} version makes them deprecated.
751    
752    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
753    
754            * R/termdocmatrix.R (textvector): Stemming is now performed before
755            erasing stopwords.
756            (weightMatrix): Adapted to handle sparse matrices.
757            (TermDocMatrix): Sparse matrix is now efficiently built by
758            direct stepwise insertion of row values into it.
759    
760    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
761    
762            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
763            due to ongoing problems. For our purposes the latter is as useful
764            as the replaced package.
765    
766    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
767    
768            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
769    
770            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
771    
772    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
773    
774            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
775            languages with available stopwords.
776    
777    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
778    
779            * inst/doc/tm.Rnw: Minor corrections in the vignette.
780    
781    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
782    
783            * DESCRIPTION: Update to version 0.2, since a lot of new features
784            have been integrated.
785    
786            * inst/stopwords: Updated existing stopwords and added stopwords
787            for various other languages.
788    
789    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
790    
791            * man/: Updated documentation.
792    
793            * Work/testDb.R: Script to test database stuff.
794    
795            * R/: Fixed various database related bugs. Seems to be rather
796            useable now, i.e., consider as alpha status for now.
797    
798    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
799    
800            * R/: Fixed some bugs related to database support.
801    
802    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
803    
804            * man/: Added a lot of examples to the manuals.
805    
806    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
807    
808            * man/: Updated parts of the documentation.
809    
810            * R/textdoccol.R (asPlain): Added conversion from newsgroup
811            documents to plain text documents.
812    
813    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
814    
815            * R/textdoccol.R: Finished experimental database support. Not yet
816            intensively tested.
817    
818            * R/source.R: Now each source has a default reader.
819    
820            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
821            class anymore.
822    
823            * R/plaintextdoc.R: Custom show method for plain text documents.
824    
825            * R/aobjects.R: Added a class for structured text documents.
826    
827            * R/reader.R: Replaced remaining \code{parser} occurrences with
828            \code{reader}.
829    
830            * R/textdoccol.R (summary): Indent tags.
831    
832            * R/textdoccol.R (removePunctuation): Transform method to remove
833            punctuation marks.
834    
835    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
836    
837            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
838            using prescindMeta().
839    
840  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
841    
842          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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