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trunk/tm/ChangeLog revision 702, Tue Jan 9 09:39:33 2007 UTC pkg/ChangeLog revision 1239, Fri Aug 9 10:11:21 2013 UTC
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1    2013-08-09  Ingo Feinerer <feinerer@logic.at>
2    
3            * DESCRIPTION (License): Changed to GPL-3.
4    
5    2013-07-25  Ingo Feinerer <feinerer@logic.at>
6    
7            * R/complete.R (stemCompletion): Report NA instead of error when no
8            completion can be found by the prevalent heuristic. Suggested by Hugh
9            Devlin.
10    
11    2013-07-10  Ingo Feinerer <feinerer@logic.at>
12    
13            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
14            command line tool) instead of tools:::pdf_info().
15    
16    2013-04-11  Ingo Feinerer <feinerer@logic.at>
17    
18            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
19            to determine character types.
20    
21    2012-12-14  Ingo Feinerer <feinerer@logic.at>
22    
23            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
24            when generating a simple_triplet_matrix. Reported by Arho Suominen.
25    
26    2012-12-10  Ingo Feinerer <feinerer@logic.at>
27    
28            * man/tm_reduce.Rd: Document right to left folding order. Adapt
29            example as well. Suggested by Mark Rosenstein.
30    
31    2012-12-04  Ingo Feinerer <feinerer@logic.at>
32    
33            * R/filter.R (sFilter): Avoid attach() and simplify.
34    
35    2012-11-02  Ingo Feinerer <feinerer@logic.at>
36    
37            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
38            removal of attributes.
39    
40    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
43            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
44            Frölich.
45    
46    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/transform.R (removeWords): Allow longer stopword lists.
49    
50    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/reader.R (readXML): Readers can now set the document language
53            themselves.
54    
55    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
58            proposed by Milan Bouchet-Valat.
59    
60    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/matrix.R (termFreq): Fix processing of user provided
63            stopwords. Reported by Bettina Grün.
64    
65    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/matrix.R (termFreq): Fix invalid handling of
68            control$wordLengths[1]. Reported by Steven C. Bagley.
69    
70    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
71    
72            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
73    
74    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
77    
78    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/transform.R (removePunctuation): Add option to preserve
81            intra-word dashes.
82    
83    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/matrix.R (termFreq): Allow reordering of control option
86            processing.
87    
88    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
91            pdfinfo tool.
92    
93            * inst/stopwords/SMART.dat: Add SMART information retrieval system
94            stopwords (which are also used by the MC toolkit).
95    
96            * R/matrix (termFreq): Allow local option \code{bounds$local} to
97            restrict how often a term may appear in each document (generalizes
98            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
99            for word length bounds (generalizes \code{minWordLength}).
100    
101            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
102            \code{bounds$global} for restricting how often a term is allowed
103            to appear in different documents.
104    
105            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
106            local options delegated internally to termFreq() and global
107            options which are processed by the term-document matrix
108            constructor itself.
109    
110    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
111    
112            * man/getTokenizers.Rd: Document getTokenizers().
113    
114            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
115    
116    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
117    
118            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
119    
120            * man/combine.Rd: Document c.term_frequency().
121    
122    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
125            can be accessed via '[' and not '[['.
126    
127    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/stopwords.R (stopwords): Raise an error if no stopwords are
130            available for requested language. Suggested by Derek M Jones.
131    
132    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
135            normalization.
136    
137    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/transform.R (stemDocument.PlainTextDocument): Use language
140            argument.
141    
142    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/source.R: Store strings and connections instead of unevaluated
145            calls.
146    
147    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
150    
151    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
154            (instead of a list element).
155    
156    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
159            documents by names (fallback to IDs if names are not set).
160    
161    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
164            \code{recursive} now determines whether existing corpus meta data
165            is used.
166    
167    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
168    
169            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
170    
171    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
172    
173            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
174            remove terms not occurring in the corpus anymore.
175    
176    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
177    
178            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
179            and Heaps' law.
180    
181    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
184            provided by a source.
185    
186    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
187    
188            * R/source.R (.Source): Provide document names.
189    
190    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/meta.R (`content_or_meta`): Utility function.
193    
194    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
197            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
198    
199    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/weight.R (weightTfIdf): Added normalization option.
202    
203            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
204            analysis.
205    
206    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
207    
208            * R/score.R (tm_tag_score): Compute a score from the number of
209            tags matching in a document.
210    
211    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
212    
213            * R/complete.R (stemCompletion): New completion heuristics.
214    
215    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
216    
217            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
218    
219    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
220    
221            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
222            setOldClass(c(..., "list")) works.
223    
224    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
225    
226            * R/transform.R (stemDocument.character): In case input is a
227            simple character just delegate to the default Snowball stemmer.
228    
229    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
230    
231            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
232            data.
233    
234    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/doc.R (`Content<-`): Be careful with names attribute.
237    
238    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
239    
240            * R/source.R (DirSource): Improved implementation especially when
241            handling many (> 1M) files.
242    
243    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
244    
245            * R/source.R (getElem.URISource): Use encoding argument.
246    
247    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
248    
249            * R/doc.R (setOldClass): Register S3 document classes to be
250            recognized by S4 methods.
251    
252    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
253    
254            * R/matrix.R (termFreq): Add option to remove punctuation
255            characters.
256    
257    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
258    
259            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
260            merging multiple term-document matrices.
261    
262    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
263    
264            * R/corpus.R (setOldClass): Register S3 corpus classes to be
265            recognized by S4 methods.
266    
267            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
268            that CRAN Mac OS X builds do not fail any longer.
269    
270    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
273            of RWeka:AlphabeticTokenizer() as default.
274    
275    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
276    
277            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
278            caused words at the beginning or the end of a line not to be removed. Do
279            not delete whitespace anymore.
280    
281    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
282    
283            * R/source.R (DirSource): Default to working directory if no path
284            is specified.
285    
286    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
287    
288            * R/source.R (DirSource): Stop on empty directories.
289    
290    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
291    
292            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
293            named documents.
294    
295    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
296    
297            * R/transform.R (removeWords): Improve regular expressions.
298    
299    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
300    
301            * R/meta.R (DublinCore): Allow lower case tags.
302    
303    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
304    
305            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
306            instead of x$children.
307    
308    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
309    
310            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
311    
312    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/: Use S3 instead of S4 class system.
315    
316    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
317    
318            * R/reader.R (readMail): Moved to tm.plugin.mail package.
319    
320    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
321    
322            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
323            postings are basically e-mails with some extra headers.
324    
325    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
326    
327            * R/transform.R: Move convertMboxEml, removeCitation,
328            removeMultipart, and removeSignature to the tm.plugin.mail package
329            since they are mainly utility functions (for handling e-mails) and
330            not very framework specific.
331    
332    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
333    
334            * man/: Fix documentation.
335    
336    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
337    
338            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
339            plain text document instead of an XML document for texts of the
340            Reuters-21578 dataset.
341    
342            * R/sparse.R: Removed since the slam package is now available on
343            CRAN.
344    
345            * DESCRIPTION (Depends): Add slam package.
346    
347    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
348    
349            * R/transform.R (stemDoc): Fix character(0) handling.
350    
351    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
352    
353            * R/doc.R (show): Pretty print.
354    
355    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
356    
357            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
358            gracefully.
359    
360    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
361    
362            * R/corpus.R: Make corpus virtual. Implement corpus with standard
363            and permanent storage semantics.
364    
365            * DESCRIPTION: New major release. A *lot* of improvements.
366    
367    2009-05-04   Ingo Feinerer <feinerer@logic.at>
368    
369            * NAMESPACE: Export some simple_triplet_matrix functions.
370    
371    2009-04-28   Ingo Feinerer <feinerer@logic.at>
372    
373            * R/weight.R: Adapt tf-idf to new matrix format.
374    
375    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
376    
377            * R/matrix.R: Create two distinct classes for term-document and
378            document-term matrices.
379    
380    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
381    
382            * R/termdocmatrix.R: No longer use Matrix package. This reduces
383            package start-up time significantly.
384    
385    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
386    
387            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
388    
389    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
390    
391            * R/transform.R (tmReduce): Combine multiple maps into one
392            transformation.
393    
394    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
395    
396            * R/weight.R: Remove weightLogical since it does not return a
397            dgCMatrix.
398    
399            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
400            or TermDocumentMatrix instead.
401    
402    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
403    
404            * inst/doc/extensions.Rnw: Finished vignette.
405    
406    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
407    
408            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
409            DocumentTermMatrix representations.
410    
411    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
412    
413            * R/reader.R (readXML): New reader for arbitrary XML files.
414    
415    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
416    
417            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
418            (XMLSource): New XMLSource class for arbitrary XML files.
419            (Source): New slot Vectorized.
420    
421    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
422    
423            * R/reader.R (readTabular): Experimental reader for tabular data
424            structures which can be customized via user-defined mappings.
425    
426            * R/reader.R: Always use UTC time zone.
427    
428            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
429    
430    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
431    
432            * R/reader.R (readDOC): Options can be passed over to antiword.
433    
434            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
435            pdftotext.
436    
437    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
438    
439            * R/source.R (DirSource): Add pattern and ignore.case arguments
440            which are internally passed over to list.files().
441    
442    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
443    
444            * inst/doc/tm.Rnw: Suppress pointless loading message.
445    
446    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
447    
448            * DESCRIPTION: Speed up package loading (via moving packages not
449            strictly necessary for normal operation to Suggests instead of
450            Depends).
451    
452    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
453    
454            * R/reader.R (readNewsgroup): The date format is now configurable.
455    
456    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
457    
458            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
459    
460    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
461    
462            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
463    
464    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
465    
466            * R/source.R (DataframeSource): New source class for data frames.
467    
468            * R/source.R: Fixed non-standard call evaluation.
469    
470    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
471    
472            * R/source.R (URISource): New source class for a single document.
473    
474    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
475    
476            * R/source.R: Refactoring.
477    
478    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
479    
480            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
481            Rmpi installations more gracefully.
482    
483    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
484    
485            * R/source.R (Source): Add Length slot.
486    
487    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
488    
489            * R/AAA.R: Unify duplicated .onLoad function.
490    
491    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
492    
493            * DESCRIPTION (Suggests): Added Rmpi.
494    
495    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
496    
497            * R/source.R (getElem): Fix 'no visible binding' warning.
498    
499            * man/WeightFunction.Rd: Fix signature.
500    
501    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
502    
503            * R/weight.R: Introduce name abbreviations for weighting functions.
504    
505    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
506    
507            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
508    
509            * R/cluster.R: Provide convenience functions for using a MPI
510            cluster.
511    
512            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
513            available.
514    
515            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
516            available.
517    
518    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
519    
520            * R/textdoccol.R (lapply): Removed debug print out.
521    
522    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
523    
524            * R/reader.R (readRCV1): Improved meta data extraction from
525            Reuters Corpus Volume 1 documents.
526    
527    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
528    
529            * R/transform.R: Ensure that all mappings preserve multiline
530            structures.
531    
532    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
533    
534            * R/filter.R: Every filter has now an attribute indicating whether
535            it sould be applied to document level (doclevel).
536    
537            * R/textdoccol.R (tmFilter): Set searchFullText as new default
538            filter.
539    
540    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
541    
542            * R/transform.R (replacePatterns): Replaced removeWords by
543            replacePatterns. Suggested by Christian Buchta.
544    
545            * R/textdoccol.R (inspect): Improved formatting.
546    
547    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
548    
549            * inst/CITATION: Updated JSS article information.
550    
551            * R/textdoccol.R (setAs): Added coerce method from list to
552            corpus.
553    
554            * R/meta.R (meta): Improved meta data handling.
555    
556    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
557    
558            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
559            Christian Buchta.
560    
561            * inst/CITATION: Added template to include JSS article reference.
562    
563    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
564    
565            * R/textdoccol.R (tmMap): Introduced lazy mapping.
566    
567            * R/source.R: Added VectorSource.
568    
569    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
570    
571            * man/: Language codes should be in ISO 639-1 format.
572    
573            * R/textdoccol.R (asPlain): Preserve local meta data.
574    
575    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
576    
577            * R/textdoccol.R (writeCorpus): Function for writing a corpus
578            containing plain text documents to disk.
579    
580    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
581    
582            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
583            always set correctly.
584    
585            * R/textdoccol.R: Set load = TRUE as default for load on demand
586            since in most cases this is the wanted behaviour.
587    
588    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
591    
592            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
593    
594    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
595    
596            * R/meta.R (meta): New function for consistent access to meta data
597            of document collections, repositories, and texts.
598    
599    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
600    
601            * R/: Better support for encodings.
602    
603    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
604    
605            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
606            selection when no reader argument is given.
607    
608    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
609    
610            * R/source.R (CSVSource): Now uses read.csv instead of scan
611            internally.
612    
613    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
614    
615            * R/reader.R (getReaders): Returns available reader functions.
616    
617            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
618            as default.
619    
620    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/stopwords.R (stopwords): Shortened code, removed codetools
623            variable warnings.
624    
625            * man/: Documentation for showMeta, added an example for tmMap.
626    
627            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
628            some minor typos fixed.
629    
630    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
631    
632            * R/aobjects.R (showMeta): Added method for pretty printing a
633            text document's meta data.
634    
635    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
636    
637            * R/textdoccol.R (TextDocCol): Better handling of empty
638            arguments.
639    
640            * NAMESPACE: Exported readDOC.
641    
642            * man/completeStems.Rd: Added an example.
643    
644    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
645    
646            * R/stopwords.R (stopwords): Look up .dat files at every
647            call. Allows users to modify stopword .dat files interactively.
648    
649    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
650    
651            * R/termdocmatrix.R (termFreq): Correct processing of empty
652            documents.
653    
654    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
655    
656            * man/: Updated documentation.
657    
658    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
659    
660            * R/complete.R (completeStems): Completes (heuristically) word
661            stems.
662    
663            * R/termdocmatrix.R (TermDocMatrix2): New modular
664            constructor.
665    
666            * NAMESPACE: Exported termFreq.
667    
668    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
669    
670            * R/reader.R (readDOC): Added MS Word reader (using antiword).
671    
672    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
673    
674            * R/weight.R: Weighting functions for TermDocMatrix.
675    
676    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
677    
678            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
679            functions for accessing dimension, column, and row names.
680    
681            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
682    
683    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
684    
685            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
686    
687    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
688    
689            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
690    
691    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
692    
693            * R/reader.R (readPDF): Removed manual checks for pdftotext and
694            pdfinfo. The system call gives a warning anyway.
695    
696    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
697    
698            * R/textdoccol.R (asPlain): Conversion from
699            StructuredTextDocuments to PlainTextDocuments.
700    
701    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
702    
703            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
704            for accessing term-document matrices.
705    
706            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
707            are installed.
708    
709    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
710    
711            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
712            Christian Buchta.
713    
714    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
715    
716            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
717    
718    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
719    
720            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
721    
722            * R/reader.R (readPDF): Added PDF reader.
723    
724    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
725    
726            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
727    
728            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
729    
730            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
731    
732            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
733    
734    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
735    
736            * R/distmeasure.R (dissimilarity): Replaced dists call from
737            package cba by new dist call from package proxy.
738    
739    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
740    
741            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
742    
743    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
744    
745            * R/termdocmatrix.R: require() uses the quietly option to suppress
746            loading messages.
747    
748    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
749    
750            * R/dictionary.R: Added dictionary support.
751    
752    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
753    
754            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
755            documents. This simplifies some functions, e.g., asPlain.
756    
757    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
758    
759            * inst/doc/tm.Rnw: Fixed some typos in vignette.
760    
761    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
762    
763            * R/textdoccol.R (replaceWords): Added method to replace a set of
764            words by a single word. Useful for synonyms.
765    
766    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
767    
768            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
769    
770    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
771    
772            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
773            vectors. Thanks to Ariel Maguyon for his error report.
774            (removeSparseTerms): New function to remove columns from a
775            term-document matrix exceeding a sparse factor.
776    
777    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
778    
779            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
780    
781    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
782    
783            * man/sFilter.Rd: Corrected documentation on statement format (use
784            '==' instead of '=').
785    
786    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
787    
788            * R/aobjects.R (StructuredTextDocument): Inherits from
789            TextDocument.
790    
791    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
792    
793            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
794            on sparse matrices as proposed by Martin Maechler.
795    
796    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
797    
798            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
799            \pkg{filehash} version makes them deprecated.
800    
801    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
802    
803            * R/termdocmatrix.R (textvector): Stemming is now performed before
804            erasing stopwords.
805            (weightMatrix): Adapted to handle sparse matrices.
806            (TermDocMatrix): Sparse matrix is now efficiently built by
807            direct stepwise insertion of row values into it.
808    
809    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
810    
811            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
812            due to ongoing problems. For our purposes the latter is as useful
813            as the replaced package.
814    
815    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
816    
817            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
818    
819            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
820    
821    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
822    
823            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
824            languages with available stopwords.
825    
826    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828            * inst/doc/tm.Rnw: Minor corrections in the vignette.
829    
830    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
831    
832            * DESCRIPTION: Update to version 0.2, since a lot of new features
833            have been integrated.
834    
835            * inst/stopwords: Updated existing stopwords and added stopwords
836            for various other languages.
837    
838    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
839    
840            * man/: Updated documentation.
841    
842            * Work/testDb.R: Script to test database stuff.
843    
844            * R/: Fixed various database related bugs. Seems to be rather
845            useable now, i.e., consider as alpha status for now.
846    
847    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
848    
849            * R/: Fixed some bugs related to database support.
850    
851    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
852    
853            * man/: Added a lot of examples to the manuals.
854    
855    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
856    
857            * man/: Updated parts of the documentation.
858    
859            * R/textdoccol.R (asPlain): Added conversion from newsgroup
860            documents to plain text documents.
861    
862    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
863    
864            * R/textdoccol.R: Finished experimental database support. Not yet
865            intensively tested.
866    
867            * R/source.R: Now each source has a default reader.
868    
869            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
870            class anymore.
871    
872            * R/plaintextdoc.R: Custom show method for plain text documents.
873    
874            * R/aobjects.R: Added a class for structured text documents.
875    
876            * R/reader.R: Replaced remaining \code{parser} occurrences with
877            \code{reader}.
878    
879            * R/textdoccol.R (summary): Indent tags.
880    
881            * R/textdoccol.R (removePunctuation): Transform method to remove
882            punctuation marks.
883    
884    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
885    
886            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
887            using prescindMeta().
888    
889    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
890    
891            * R/textdoccol.R: Improved database support.
892    
893    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
894    
895            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
896    
897            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
898            language code.
899    
900            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
901            into parserControl argument.
902    
903            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
904    
905    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
906    
907            * Work/tmDataSetup.R: The datasets acq and crude can now be
908            created on the fly.
909    
910            * R/stopwords.R: Introduced a function returning the stopwords for
911            a given language (English, German and French at the moment)
912    
913            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
914            otherwise falls back to Snowball package.
915    
916    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
917    
918            * man/dissimilarity-methods.Rd: Make clear that any method offered
919            by "dists" from package "cba" can be used.
920    
921    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
922    
923            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
924            to Kurt's latex suggestion. Removed points and underscores in
925            variable names for consistent naming.
926    
927            * DESCRIPTION: Update to version 0.1-2.
928    
929            * man/TextRepository.Rd: Fixed bug in documentation.
930    
931    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
932    
933            * DESCRIPTION: Update to version 0.1-1.
934    
935  2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
936    
937          * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of          * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of

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changed lines
  Added in v.1239

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