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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 1252, Mon Aug 26 14:00:31 2013 UTC
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1    2013-08-26  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/source.R (DirSource): Report non-existent or non-readable files.
4            Suggested by Ajinkya Kale and Milan Bouchet-Valat.
5    
6    2013-08-19  Ingo Feinerer <feinerer@logic.at>
7    
8            * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
9            anymore.
10    
11            * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
12            anymore.
13    
14    2013-08-09  Ingo Feinerer <feinerer@logic.at>
15    
16            * DESCRIPTION (License): Changed to GPL-3.
17    
18    2013-07-25  Ingo Feinerer <feinerer@logic.at>
19    
20            * R/complete.R (stemCompletion): Report NA instead of error when no
21            completion can be found by the prevalent heuristic. Suggested by Hugh
22            Devlin.
23    
24    2013-07-10  Ingo Feinerer <feinerer@logic.at>
25    
26            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
27            command line tool) instead of tools:::pdf_info().
28    
29    2013-04-11  Ingo Feinerer <feinerer@logic.at>
30    
31            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
32            to determine character types.
33    
34    2012-12-14  Ingo Feinerer <feinerer@logic.at>
35    
36            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
37            when generating a simple_triplet_matrix. Reported by Arho Suominen.
38    
39    2012-12-10  Ingo Feinerer <feinerer@logic.at>
40    
41            * man/tm_reduce.Rd: Document right to left folding order. Adapt
42            example as well. Suggested by Mark Rosenstein.
43    
44    2012-12-04  Ingo Feinerer <feinerer@logic.at>
45    
46            * R/filter.R (sFilter): Avoid attach() and simplify.
47    
48    2012-11-02  Ingo Feinerer <feinerer@logic.at>
49    
50            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
51            removal of attributes.
52    
53    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
56            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
57            Frölich.
58    
59    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
60    
61            * R/transform.R (removeWords): Allow longer stopword lists.
62    
63    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/reader.R (readXML): Readers can now set the document language
66            themselves.
67    
68    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
71            proposed by Milan Bouchet-Valat.
72    
73    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/matrix.R (termFreq): Fix processing of user provided
76            stopwords. Reported by Bettina Grün.
77    
78    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/matrix.R (termFreq): Fix invalid handling of
81            control$wordLengths[1]. Reported by Steven C. Bagley.
82    
83    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
84    
85            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
86    
87    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
90    
91    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/transform.R (removePunctuation): Add option to preserve
94            intra-word dashes.
95    
96    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/matrix.R (termFreq): Allow reordering of control option
99            processing.
100    
101    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
102    
103            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
104            pdfinfo tool.
105    
106            * inst/stopwords/SMART.dat: Add SMART information retrieval system
107            stopwords (which are also used by the MC toolkit).
108    
109            * R/matrix (termFreq): Allow local option \code{bounds$local} to
110            restrict how often a term may appear in each document (generalizes
111            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
112            for word length bounds (generalizes \code{minWordLength}).
113    
114            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
115            \code{bounds$global} for restricting how often a term is allowed
116            to appear in different documents.
117    
118            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
119            local options delegated internally to termFreq() and global
120            options which are processed by the term-document matrix
121            constructor itself.
122    
123    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
124    
125            * man/getTokenizers.Rd: Document getTokenizers().
126    
127            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
128    
129    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
130    
131            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
132    
133            * man/combine.Rd: Document c.term_frequency().
134    
135    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
138            can be accessed via '[' and not '[['.
139    
140    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/stopwords.R (stopwords): Raise an error if no stopwords are
143            available for requested language. Suggested by Derek M Jones.
144    
145    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
146    
147            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
148            normalization.
149    
150    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/transform.R (stemDocument.PlainTextDocument): Use language
153            argument.
154    
155    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/source.R: Store strings and connections instead of unevaluated
158            calls.
159    
160    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
163    
164    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
167            (instead of a list element).
168    
169    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
172            documents by names (fallback to IDs if names are not set).
173    
174    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
175    
176            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
177            \code{recursive} now determines whether existing corpus meta data
178            is used.
179    
180    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
181    
182            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
183    
184    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
187            remove terms not occurring in the corpus anymore.
188    
189    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
190    
191            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
192            and Heaps' law.
193    
194    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
197            provided by a source.
198    
199    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/source.R (.Source): Provide document names.
202    
203    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
204    
205            * R/meta.R (`content_or_meta`): Utility function.
206    
207    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
210            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
211    
212    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
213    
214            * R/weight.R (weightTfIdf): Added normalization option.
215    
216            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
217            analysis.
218    
219    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
220    
221            * R/score.R (tm_tag_score): Compute a score from the number of
222            tags matching in a document.
223    
224    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
225    
226            * R/complete.R (stemCompletion): New completion heuristics.
227    
228    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
229    
230            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
231    
232    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
233    
234            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
235            setOldClass(c(..., "list")) works.
236    
237    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
238    
239            * R/transform.R (stemDocument.character): In case input is a
240            simple character just delegate to the default Snowball stemmer.
241    
242    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
245            data.
246    
247    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
248    
249            * R/doc.R (`Content<-`): Be careful with names attribute.
250    
251    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
252    
253            * R/source.R (DirSource): Improved implementation especially when
254            handling many (> 1M) files.
255    
256    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
257    
258            * R/source.R (getElem.URISource): Use encoding argument.
259    
260    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/doc.R (setOldClass): Register S3 document classes to be
263            recognized by S4 methods.
264    
265    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/matrix.R (termFreq): Add option to remove punctuation
268            characters.
269    
270    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
273            merging multiple term-document matrices.
274    
275    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
276    
277            * R/corpus.R (setOldClass): Register S3 corpus classes to be
278            recognized by S4 methods.
279    
280            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
281            that CRAN Mac OS X builds do not fail any longer.
282    
283    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
284    
285            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
286            of RWeka:AlphabeticTokenizer() as default.
287    
288    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
289    
290            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
291            caused words at the beginning or the end of a line not to be removed. Do
292            not delete whitespace anymore.
293    
294    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
295    
296            * R/source.R (DirSource): Default to working directory if no path
297            is specified.
298    
299    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
300    
301            * R/source.R (DirSource): Stop on empty directories.
302    
303    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
304    
305            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
306            named documents.
307    
308    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
309    
310            * R/transform.R (removeWords): Improve regular expressions.
311    
312    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/meta.R (DublinCore): Allow lower case tags.
315    
316    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
317    
318            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
319            instead of x$children.
320    
321    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
322    
323            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
324    
325    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
326    
327            * R/: Use S3 instead of S4 class system.
328    
329    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
330    
331            * R/reader.R (readMail): Moved to tm.plugin.mail package.
332    
333    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
334    
335            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
336            postings are basically e-mails with some extra headers.
337    
338    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
339    
340            * R/transform.R: Move convertMboxEml, removeCitation,
341            removeMultipart, and removeSignature to the tm.plugin.mail package
342            since they are mainly utility functions (for handling e-mails) and
343            not very framework specific.
344    
345    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
346    
347            * man/: Fix documentation.
348    
349    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
350    
351            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
352            plain text document instead of an XML document for texts of the
353            Reuters-21578 dataset.
354    
355            * R/sparse.R: Removed since the slam package is now available on
356            CRAN.
357    
358            * DESCRIPTION (Depends): Add slam package.
359    
360    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
361    
362            * R/transform.R (stemDoc): Fix character(0) handling.
363    
364    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
365    
366            * R/doc.R (show): Pretty print.
367    
368    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
369    
370            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
371            gracefully.
372    
373    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
374    
375            * R/corpus.R: Make corpus virtual. Implement corpus with standard
376            and permanent storage semantics.
377    
378            * DESCRIPTION: New major release. A *lot* of improvements.
379    
380    2009-05-04   Ingo Feinerer <feinerer@logic.at>
381    
382            * NAMESPACE: Export some simple_triplet_matrix functions.
383    
384    2009-04-28   Ingo Feinerer <feinerer@logic.at>
385    
386            * R/weight.R: Adapt tf-idf to new matrix format.
387    
388    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
389    
390            * R/matrix.R: Create two distinct classes for term-document and
391            document-term matrices.
392    
393    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
394    
395            * R/termdocmatrix.R: No longer use Matrix package. This reduces
396            package start-up time significantly.
397    
398    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
399    
400            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
401    
402    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
403    
404            * R/transform.R (tmReduce): Combine multiple maps into one
405            transformation.
406    
407    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
408    
409            * R/weight.R: Remove weightLogical since it does not return a
410            dgCMatrix.
411    
412            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
413            or TermDocumentMatrix instead.
414    
415    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
416    
417            * inst/doc/extensions.Rnw: Finished vignette.
418    
419    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
420    
421            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
422            DocumentTermMatrix representations.
423    
424    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
425    
426            * R/reader.R (readXML): New reader for arbitrary XML files.
427    
428    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
429    
430            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
431            (XMLSource): New XMLSource class for arbitrary XML files.
432            (Source): New slot Vectorized.
433    
434    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
435    
436            * R/reader.R (readTabular): Experimental reader for tabular data
437            structures which can be customized via user-defined mappings.
438    
439            * R/reader.R: Always use UTC time zone.
440    
441            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
442    
443    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
444    
445            * R/reader.R (readDOC): Options can be passed over to antiword.
446    
447            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
448            pdftotext.
449    
450    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
451    
452            * R/source.R (DirSource): Add pattern and ignore.case arguments
453            which are internally passed over to list.files().
454    
455    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
456    
457            * inst/doc/tm.Rnw: Suppress pointless loading message.
458    
459    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
460    
461            * DESCRIPTION: Speed up package loading (via moving packages not
462            strictly necessary for normal operation to Suggests instead of
463            Depends).
464    
465    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
466    
467            * R/reader.R (readNewsgroup): The date format is now configurable.
468    
469    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
470    
471            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
472    
473    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
474    
475            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
476    
477    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
478    
479            * R/source.R (DataframeSource): New source class for data frames.
480    
481            * R/source.R: Fixed non-standard call evaluation.
482    
483    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
484    
485            * R/source.R (URISource): New source class for a single document.
486    
487    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
488    
489            * R/source.R: Refactoring.
490    
491    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
492    
493            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
494            Rmpi installations more gracefully.
495    
496    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
497    
498            * R/source.R (Source): Add Length slot.
499    
500    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
501    
502            * R/AAA.R: Unify duplicated .onLoad function.
503    
504    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
505    
506            * DESCRIPTION (Suggests): Added Rmpi.
507    
508    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
509    
510            * R/source.R (getElem): Fix 'no visible binding' warning.
511    
512            * man/WeightFunction.Rd: Fix signature.
513    
514    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
515    
516            * R/weight.R: Introduce name abbreviations for weighting functions.
517    
518    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
519    
520            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
521    
522            * R/cluster.R: Provide convenience functions for using a MPI
523            cluster.
524    
525            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
526            available.
527    
528            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
529            available.
530    
531    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
532    
533            * R/textdoccol.R (lapply): Removed debug print out.
534    
535    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * R/reader.R (readRCV1): Improved meta data extraction from
538            Reuters Corpus Volume 1 documents.
539    
540    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
541    
542            * R/transform.R: Ensure that all mappings preserve multiline
543            structures.
544    
545    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
546    
547            * R/filter.R: Every filter has now an attribute indicating whether
548            it sould be applied to document level (doclevel).
549    
550            * R/textdoccol.R (tmFilter): Set searchFullText as new default
551            filter.
552    
553    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
554    
555            * R/transform.R (replacePatterns): Replaced removeWords by
556            replacePatterns. Suggested by Christian Buchta.
557    
558            * R/textdoccol.R (inspect): Improved formatting.
559    
560    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
561    
562            * inst/CITATION: Updated JSS article information.
563    
564            * R/textdoccol.R (setAs): Added coerce method from list to
565            corpus.
566    
567            * R/meta.R (meta): Improved meta data handling.
568    
569    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
570    
571            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
572            Christian Buchta.
573    
574            * inst/CITATION: Added template to include JSS article reference.
575    
576    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
577    
578            * R/textdoccol.R (tmMap): Introduced lazy mapping.
579    
580            * R/source.R: Added VectorSource.
581    
582    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
583    
584            * man/: Language codes should be in ISO 639-1 format.
585    
586            * R/textdoccol.R (asPlain): Preserve local meta data.
587    
588    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/textdoccol.R (writeCorpus): Function for writing a corpus
591            containing plain text documents to disk.
592    
593    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
594    
595            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
596            always set correctly.
597    
598            * R/textdoccol.R: Set load = TRUE as default for load on demand
599            since in most cases this is the wanted behaviour.
600    
601    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
602    
603            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
604    
605            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
606    
607    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
608    
609            * R/meta.R (meta): New function for consistent access to meta data
610            of document collections, repositories, and texts.
611    
612    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
613    
614            * R/: Better support for encodings.
615    
616    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
617    
618            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
619            selection when no reader argument is given.
620    
621    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
622    
623            * R/source.R (CSVSource): Now uses read.csv instead of scan
624            internally.
625    
626    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
627    
628            * R/reader.R (getReaders): Returns available reader functions.
629    
630            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
631            as default.
632    
633    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
634    
635            * R/stopwords.R (stopwords): Shortened code, removed codetools
636            variable warnings.
637    
638            * man/: Documentation for showMeta, added an example for tmMap.
639    
640            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
641            some minor typos fixed.
642    
643    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
644    
645            * R/aobjects.R (showMeta): Added method for pretty printing a
646            text document's meta data.
647    
648    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
649    
650            * R/textdoccol.R (TextDocCol): Better handling of empty
651            arguments.
652    
653            * NAMESPACE: Exported readDOC.
654    
655            * man/completeStems.Rd: Added an example.
656    
657    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
658    
659            * R/stopwords.R (stopwords): Look up .dat files at every
660            call. Allows users to modify stopword .dat files interactively.
661    
662    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
663    
664            * R/termdocmatrix.R (termFreq): Correct processing of empty
665            documents.
666    
667    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
668    
669            * man/: Updated documentation.
670    
671    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
672    
673            * R/complete.R (completeStems): Completes (heuristically) word
674            stems.
675    
676            * R/termdocmatrix.R (TermDocMatrix2): New modular
677            constructor.
678    
679            * NAMESPACE: Exported termFreq.
680    
681    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
682    
683            * R/reader.R (readDOC): Added MS Word reader (using antiword).
684    
685    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
686    
687            * R/weight.R: Weighting functions for TermDocMatrix.
688    
689    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
690    
691            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
692            functions for accessing dimension, column, and row names.
693    
694            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
695    
696    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
697    
698            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
699    
700    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
701    
702            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
703    
704    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
705    
706            * R/reader.R (readPDF): Removed manual checks for pdftotext and
707            pdfinfo. The system call gives a warning anyway.
708    
709    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
710    
711            * R/textdoccol.R (asPlain): Conversion from
712            StructuredTextDocuments to PlainTextDocuments.
713    
714    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
715    
716            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
717            for accessing term-document matrices.
718    
719            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
720            are installed.
721    
722    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
723    
724            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
725            Christian Buchta.
726    
727    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
728    
729            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
730    
731    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
732    
733            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
734    
735            * R/reader.R (readPDF): Added PDF reader.
736    
737    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
738    
739            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
740    
741            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
742    
743            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
744    
745            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
746    
747    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
748    
749            * R/distmeasure.R (dissimilarity): Replaced dists call from
750            package cba by new dist call from package proxy.
751    
752    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
753    
754            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
755    
756    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758            * R/termdocmatrix.R: require() uses the quietly option to suppress
759            loading messages.
760    
761    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
762    
763            * R/dictionary.R: Added dictionary support.
764    
765    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
766    
767            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
768            documents. This simplifies some functions, e.g., asPlain.
769    
770    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
771    
772            * inst/doc/tm.Rnw: Fixed some typos in vignette.
773    
774    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
775    
776            * R/textdoccol.R (replaceWords): Added method to replace a set of
777            words by a single word. Useful for synonyms.
778    
779    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
780    
781            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
782    
783    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
784    
785            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
786            vectors. Thanks to Ariel Maguyon for his error report.
787            (removeSparseTerms): New function to remove columns from a
788            term-document matrix exceeding a sparse factor.
789    
790    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
791    
792            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
793    
794    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
795    
796            * man/sFilter.Rd: Corrected documentation on statement format (use
797            '==' instead of '=').
798    
799    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
800    
801            * R/aobjects.R (StructuredTextDocument): Inherits from
802            TextDocument.
803    
804    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
805    
806            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
807            on sparse matrices as proposed by Martin Maechler.
808    
809    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
810    
811            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
812            \pkg{filehash} version makes them deprecated.
813    
814    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
815    
816            * R/termdocmatrix.R (textvector): Stemming is now performed before
817            erasing stopwords.
818            (weightMatrix): Adapted to handle sparse matrices.
819            (TermDocMatrix): Sparse matrix is now efficiently built by
820            direct stepwise insertion of row values into it.
821    
822    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
823    
824            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
825            due to ongoing problems. For our purposes the latter is as useful
826            as the replaced package.
827    
828    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
829    
830            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
831    
832            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
833    
834    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
835    
836            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
837            languages with available stopwords.
838    
839    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
840    
841            * inst/doc/tm.Rnw: Minor corrections in the vignette.
842    
843    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
844    
845            * DESCRIPTION: Update to version 0.2, since a lot of new features
846            have been integrated.
847    
848            * inst/stopwords: Updated existing stopwords and added stopwords
849            for various other languages.
850    
851    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
852    
853            * man/: Updated documentation.
854    
855            * Work/testDb.R: Script to test database stuff.
856    
857            * R/: Fixed various database related bugs. Seems to be rather
858            useable now, i.e., consider as alpha status for now.
859    
860    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
861    
862            * R/: Fixed some bugs related to database support.
863    
864    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
865    
866            * man/: Added a lot of examples to the manuals.
867    
868    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
869    
870            * man/: Updated parts of the documentation.
871    
872            * R/textdoccol.R (asPlain): Added conversion from newsgroup
873            documents to plain text documents.
874    
875    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
876    
877            * R/textdoccol.R: Finished experimental database support. Not yet
878            intensively tested.
879    
880            * R/source.R: Now each source has a default reader.
881    
882            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
883            class anymore.
884    
885            * R/plaintextdoc.R: Custom show method for plain text documents.
886    
887            * R/aobjects.R: Added a class for structured text documents.
888    
889            * R/reader.R: Replaced remaining \code{parser} occurrences with
890            \code{reader}.
891    
892            * R/textdoccol.R (summary): Indent tags.
893    
894            * R/textdoccol.R (removePunctuation): Transform method to remove
895            punctuation marks.
896    
897    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
898    
899            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
900            using prescindMeta().
901    
902    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
903    
904            * R/textdoccol.R: Improved database support.
905    
906    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
907    
908            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
909    
910            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
911            language code.
912    
913            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
914            into parserControl argument.
915    
916            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
917    
918    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
919    
920            * Work/tmDataSetup.R: The datasets acq and crude can now be
921            created on the fly.
922    
923            * R/stopwords.R: Introduced a function returning the stopwords for
924            a given language (English, German and French at the moment)
925    
926            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
927            otherwise falls back to Snowball package.
928    
929    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
930    
931            * man/dissimilarity-methods.Rd: Make clear that any method offered
932            by "dists" from package "cba" can be used.
933    
934    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
935    
936            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
937            to Kurt's latex suggestion. Removed points and underscores in
938            variable names for consistent naming.
939    
940            * DESCRIPTION: Update to version 0.1-2.
941    
942            * man/TextRepository.Rd: Fixed bug in documentation.
943    
944    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
945    
946            * DESCRIPTION: Update to version 0.1-1.
947    
948    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
949    
950            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
951            wordStem.
952    
953    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
954    
955            * R/: Changes due to Kurt's review.
956    
957    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
958    
959            * R/: Implemented improvements based upon comments by David
960            Meyer.
961    
962    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
963    
964            * inst/doc/: Rewrote vignette.
965    
966            * man/: Improved documentation.
967    
968    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
969    
970            * man/: Updated documentation.
971    
972            * DESCRIPTION: Changed package name to "tm". Updated version to
973            0.1 for first CRAN release.
974    
975            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
976            list archive example.
977    
978            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
979            archive example.
980    
981            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
982            from (several mails per box) mbox format to (single mail per file)
983            eml format.
984    
985    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
986    
987            * data/crude.rda: Rebuilt.
988    
989            * data/acq.rda: Rebuilt.
990    
991            * R/reader.R: Factored out reader and parser methods from
992            textdoccol.R.
993    
994            * R/source.R: Factored out Source methods from aobjects.R and
995            textdoccol.R.
996            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
997            feeds.
998    
999            * R/textdoccol.R (DirSource): Added support for recursive
1000            traversal of directories.
1001    
1002    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1003    
1004            * R/textdoccol.R ([[): Loads the document corpus automatically
1005            into memory upon access.
1006            (tm_transform, tm_filter): Removed several checks whether the
1007            document is already loaded ([[ ensures this now).
1008            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
1009            mailing list archive.
1010    
1011    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1012    
1013            * R/aobjects.R (TextDocument): Is now a virtual class.
1014            (Source): Is now a virtual class.
1015    
1016    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1017    
1018            * R/textdoccol.R (c): Support for an arbitrary number of document
1019            collections.
1020    
1021    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1022    
1023            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
1024            append_meta and remove_meta.
1025    
1026            * R/textdoccol.R: Removed modify_metadata method.
1027    
1028            * R/textrepo.R: Removed modify_metadata method.
1029    
1030            * R/textdoccol.R (remove_meta): Supports removal of document
1031            collection metadata and document (= in data frame) metadata.
1032    
1033    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1034    
1035            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
1036    
1037            * data/crude.rda: Rebuilt.
1038    
1039            * data/acq.rda: Rebuilt.
1040    
1041            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
1042    
1043            * R/textdoccol.R ([): Bug fix for subsetting a document
1044            collection's data frame.
1045    
1046    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1047    
1048            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
1049            to s_filter.
1050    
1051            * R/textdoccol.R: Local text documents' metadata can now be copied
1052            to a document collection's data frame with prescind_meta.
1053    
1054    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1055    
1056            * R/: Text documents' slot metadata is now accessible in s_filter.
1057    
1058            * R/: Rewrote s_filter function (has still some restrictions).
1059    
1060    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1061    
1062            * R/: Various fixes in handling metadata.
1063    
1064            * R/: Added update mechanism for text document collections.
1065    
1066    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1067    
1068            * R/: Merging of document collections now creates a binary tree
1069            for reconstructing merged document collections.
1070    
1071            * R/: Redesign of metadata for document collections.
1072    
1073    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1074    
1075            * R/: Messages now use \code{ngettext}.
1076    
1077    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1078    
1079            * R/: Added functions for modifying and removing metadata.
1080    
1081    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1082    
1083            * man/: Updated some documentation.
1084    
1085            * R/: Corrected some connection issues.
1086    
1087            * inst/doc: Worked on the vignette.
1088    
1089    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1090    
1091            * inst/: Added texts and started vignette.
1092    
1093            * R/: Final changes based upon David's comments.
1094    
1095    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1096    
1097            * NAMESPACE: Corrected exports (generic methods need exportMethods
1098            directives!).
1099    
1100    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1101    
1102            * R/: Modified the TextDocCol constructur and various parsers. It
1103            is now modular and supports various file formats via plugins (see
1104            the new "Source" class).
1105    
1106    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1107    
1108            * man/: Revised documentation after previous code changes.
1109    
1110    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1111    
1112            * R/: Remaining changes as discussed with David.
1113    
1114    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1115    
1116            * R/: Some changes as suggested by David. The rest will follow
1117            within the next days.
1118    
1119  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1120    
1121          * man/: Finished documentation.          * man/: Finished documentation.

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