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trunk/tm/ChangeLog revision 708, Mon Jan 22 10:34:12 2007 UTC pkg/ChangeLog revision 1242, Mon Aug 19 05:33:57 2013 UTC
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1    2013-08-19  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
4            anymore.
5    
6            * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
7            anymore.
8    
9    2013-08-09  Ingo Feinerer <feinerer@logic.at>
10    
11            * DESCRIPTION (License): Changed to GPL-3.
12    
13    2013-07-25  Ingo Feinerer <feinerer@logic.at>
14    
15            * R/complete.R (stemCompletion): Report NA instead of error when no
16            completion can be found by the prevalent heuristic. Suggested by Hugh
17            Devlin.
18    
19    2013-07-10  Ingo Feinerer <feinerer@logic.at>
20    
21            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
22            command line tool) instead of tools:::pdf_info().
23    
24    2013-04-11  Ingo Feinerer <feinerer@logic.at>
25    
26            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
27            to determine character types.
28    
29    2012-12-14  Ingo Feinerer <feinerer@logic.at>
30    
31            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
32            when generating a simple_triplet_matrix. Reported by Arho Suominen.
33    
34    2012-12-10  Ingo Feinerer <feinerer@logic.at>
35    
36            * man/tm_reduce.Rd: Document right to left folding order. Adapt
37            example as well. Suggested by Mark Rosenstein.
38    
39    2012-12-04  Ingo Feinerer <feinerer@logic.at>
40    
41            * R/filter.R (sFilter): Avoid attach() and simplify.
42    
43    2012-11-02  Ingo Feinerer <feinerer@logic.at>
44    
45            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
46            removal of attributes.
47    
48    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
51            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
52            Frölich.
53    
54    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/transform.R (removeWords): Allow longer stopword lists.
57    
58    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/reader.R (readXML): Readers can now set the document language
61            themselves.
62    
63    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
66            proposed by Milan Bouchet-Valat.
67    
68    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/matrix.R (termFreq): Fix processing of user provided
71            stopwords. Reported by Bettina Grün.
72    
73    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/matrix.R (termFreq): Fix invalid handling of
76            control$wordLengths[1]. Reported by Steven C. Bagley.
77    
78    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
79    
80            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
81    
82    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
83    
84            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
85    
86    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/transform.R (removePunctuation): Add option to preserve
89            intra-word dashes.
90    
91    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/matrix.R (termFreq): Allow reordering of control option
94            processing.
95    
96    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
99            pdfinfo tool.
100    
101            * inst/stopwords/SMART.dat: Add SMART information retrieval system
102            stopwords (which are also used by the MC toolkit).
103    
104            * R/matrix (termFreq): Allow local option \code{bounds$local} to
105            restrict how often a term may appear in each document (generalizes
106            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
107            for word length bounds (generalizes \code{minWordLength}).
108    
109            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
110            \code{bounds$global} for restricting how often a term is allowed
111            to appear in different documents.
112    
113            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
114            local options delegated internally to termFreq() and global
115            options which are processed by the term-document matrix
116            constructor itself.
117    
118    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
119    
120            * man/getTokenizers.Rd: Document getTokenizers().
121    
122            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
123    
124    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
125    
126            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
127    
128            * man/combine.Rd: Document c.term_frequency().
129    
130    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
131    
132            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
133            can be accessed via '[' and not '[['.
134    
135    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/stopwords.R (stopwords): Raise an error if no stopwords are
138            available for requested language. Suggested by Derek M Jones.
139    
140    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
143            normalization.
144    
145    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
146    
147            * R/transform.R (stemDocument.PlainTextDocument): Use language
148            argument.
149    
150    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/source.R: Store strings and connections instead of unevaluated
153            calls.
154    
155    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
158    
159    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
160    
161            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
162            (instead of a list element).
163    
164    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
167            documents by names (fallback to IDs if names are not set).
168    
169    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
172            \code{recursive} now determines whether existing corpus meta data
173            is used.
174    
175    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
178    
179    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
180    
181            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
182            remove terms not occurring in the corpus anymore.
183    
184    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
187            and Heaps' law.
188    
189    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
190    
191            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
192            provided by a source.
193    
194    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/source.R (.Source): Provide document names.
197    
198    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
199    
200            * R/meta.R (`content_or_meta`): Utility function.
201    
202    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
203    
204            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
205            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
206    
207    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/weight.R (weightTfIdf): Added normalization option.
210    
211            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
212            analysis.
213    
214    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/score.R (tm_tag_score): Compute a score from the number of
217            tags matching in a document.
218    
219    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
220    
221            * R/complete.R (stemCompletion): New completion heuristics.
222    
223    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
224    
225            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
226    
227    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
228    
229            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
230            setOldClass(c(..., "list")) works.
231    
232    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
233    
234            * R/transform.R (stemDocument.character): In case input is a
235            simple character just delegate to the default Snowball stemmer.
236    
237    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
238    
239            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
240            data.
241    
242    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/doc.R (`Content<-`): Be careful with names attribute.
245    
246    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
247    
248            * R/source.R (DirSource): Improved implementation especially when
249            handling many (> 1M) files.
250    
251    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/source.R (getElem.URISource): Use encoding argument.
254    
255    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/doc.R (setOldClass): Register S3 document classes to be
258            recognized by S4 methods.
259    
260    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/matrix.R (termFreq): Add option to remove punctuation
263            characters.
264    
265    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
268            merging multiple term-document matrices.
269    
270    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/corpus.R (setOldClass): Register S3 corpus classes to be
273            recognized by S4 methods.
274    
275            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
276            that CRAN Mac OS X builds do not fail any longer.
277    
278    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
279    
280            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
281            of RWeka:AlphabeticTokenizer() as default.
282    
283    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
284    
285            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
286            caused words at the beginning or the end of a line not to be removed. Do
287            not delete whitespace anymore.
288    
289    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
290    
291            * R/source.R (DirSource): Default to working directory if no path
292            is specified.
293    
294    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
295    
296            * R/source.R (DirSource): Stop on empty directories.
297    
298    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
299    
300            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
301            named documents.
302    
303    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
304    
305            * R/transform.R (removeWords): Improve regular expressions.
306    
307    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
308    
309            * R/meta.R (DublinCore): Allow lower case tags.
310    
311    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
312    
313            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
314            instead of x$children.
315    
316    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
317    
318            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
319    
320    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
321    
322            * R/: Use S3 instead of S4 class system.
323    
324    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
325    
326            * R/reader.R (readMail): Moved to tm.plugin.mail package.
327    
328    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
329    
330            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
331            postings are basically e-mails with some extra headers.
332    
333    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
334    
335            * R/transform.R: Move convertMboxEml, removeCitation,
336            removeMultipart, and removeSignature to the tm.plugin.mail package
337            since they are mainly utility functions (for handling e-mails) and
338            not very framework specific.
339    
340    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
341    
342            * man/: Fix documentation.
343    
344    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
345    
346            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
347            plain text document instead of an XML document for texts of the
348            Reuters-21578 dataset.
349    
350            * R/sparse.R: Removed since the slam package is now available on
351            CRAN.
352    
353            * DESCRIPTION (Depends): Add slam package.
354    
355    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
356    
357            * R/transform.R (stemDoc): Fix character(0) handling.
358    
359    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
360    
361            * R/doc.R (show): Pretty print.
362    
363    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
364    
365            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
366            gracefully.
367    
368    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
369    
370            * R/corpus.R: Make corpus virtual. Implement corpus with standard
371            and permanent storage semantics.
372    
373            * DESCRIPTION: New major release. A *lot* of improvements.
374    
375    2009-05-04   Ingo Feinerer <feinerer@logic.at>
376    
377            * NAMESPACE: Export some simple_triplet_matrix functions.
378    
379    2009-04-28   Ingo Feinerer <feinerer@logic.at>
380    
381            * R/weight.R: Adapt tf-idf to new matrix format.
382    
383    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
384    
385            * R/matrix.R: Create two distinct classes for term-document and
386            document-term matrices.
387    
388    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
389    
390            * R/termdocmatrix.R: No longer use Matrix package. This reduces
391            package start-up time significantly.
392    
393    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
394    
395            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
396    
397    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
398    
399            * R/transform.R (tmReduce): Combine multiple maps into one
400            transformation.
401    
402    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
403    
404            * R/weight.R: Remove weightLogical since it does not return a
405            dgCMatrix.
406    
407            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
408            or TermDocumentMatrix instead.
409    
410    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
411    
412            * inst/doc/extensions.Rnw: Finished vignette.
413    
414    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
415    
416            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
417            DocumentTermMatrix representations.
418    
419    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
420    
421            * R/reader.R (readXML): New reader for arbitrary XML files.
422    
423    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
424    
425            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
426            (XMLSource): New XMLSource class for arbitrary XML files.
427            (Source): New slot Vectorized.
428    
429    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
430    
431            * R/reader.R (readTabular): Experimental reader for tabular data
432            structures which can be customized via user-defined mappings.
433    
434            * R/reader.R: Always use UTC time zone.
435    
436            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
437    
438    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
439    
440            * R/reader.R (readDOC): Options can be passed over to antiword.
441    
442            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
443            pdftotext.
444    
445    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
446    
447            * R/source.R (DirSource): Add pattern and ignore.case arguments
448            which are internally passed over to list.files().
449    
450    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
451    
452            * inst/doc/tm.Rnw: Suppress pointless loading message.
453    
454    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
455    
456            * DESCRIPTION: Speed up package loading (via moving packages not
457            strictly necessary for normal operation to Suggests instead of
458            Depends).
459    
460    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
461    
462            * R/reader.R (readNewsgroup): The date format is now configurable.
463    
464    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
465    
466            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
467    
468    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
469    
470            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
471    
472    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
473    
474            * R/source.R (DataframeSource): New source class for data frames.
475    
476            * R/source.R: Fixed non-standard call evaluation.
477    
478    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
479    
480            * R/source.R (URISource): New source class for a single document.
481    
482    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
483    
484            * R/source.R: Refactoring.
485    
486    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
487    
488            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
489            Rmpi installations more gracefully.
490    
491    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
492    
493            * R/source.R (Source): Add Length slot.
494    
495    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
496    
497            * R/AAA.R: Unify duplicated .onLoad function.
498    
499    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
500    
501            * DESCRIPTION (Suggests): Added Rmpi.
502    
503    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
504    
505            * R/source.R (getElem): Fix 'no visible binding' warning.
506    
507            * man/WeightFunction.Rd: Fix signature.
508    
509    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
510    
511            * R/weight.R: Introduce name abbreviations for weighting functions.
512    
513    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
514    
515            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
516    
517            * R/cluster.R: Provide convenience functions for using a MPI
518            cluster.
519    
520            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
521            available.
522    
523            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
524            available.
525    
526    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
527    
528            * R/textdoccol.R (lapply): Removed debug print out.
529    
530    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
531    
532            * R/reader.R (readRCV1): Improved meta data extraction from
533            Reuters Corpus Volume 1 documents.
534    
535    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * R/transform.R: Ensure that all mappings preserve multiline
538            structures.
539    
540    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
541    
542            * R/filter.R: Every filter has now an attribute indicating whether
543            it sould be applied to document level (doclevel).
544    
545            * R/textdoccol.R (tmFilter): Set searchFullText as new default
546            filter.
547    
548    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
549    
550            * R/transform.R (replacePatterns): Replaced removeWords by
551            replacePatterns. Suggested by Christian Buchta.
552    
553            * R/textdoccol.R (inspect): Improved formatting.
554    
555    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
556    
557            * inst/CITATION: Updated JSS article information.
558    
559            * R/textdoccol.R (setAs): Added coerce method from list to
560            corpus.
561    
562            * R/meta.R (meta): Improved meta data handling.
563    
564    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
565    
566            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
567            Christian Buchta.
568    
569            * inst/CITATION: Added template to include JSS article reference.
570    
571    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
572    
573            * R/textdoccol.R (tmMap): Introduced lazy mapping.
574    
575            * R/source.R: Added VectorSource.
576    
577    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
578    
579            * man/: Language codes should be in ISO 639-1 format.
580    
581            * R/textdoccol.R (asPlain): Preserve local meta data.
582    
583    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
584    
585            * R/textdoccol.R (writeCorpus): Function for writing a corpus
586            containing plain text documents to disk.
587    
588    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
591            always set correctly.
592    
593            * R/textdoccol.R: Set load = TRUE as default for load on demand
594            since in most cases this is the wanted behaviour.
595    
596    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
597    
598            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
599    
600            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
601    
602    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
603    
604            * R/meta.R (meta): New function for consistent access to meta data
605            of document collections, repositories, and texts.
606    
607    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
608    
609            * R/: Better support for encodings.
610    
611    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
612    
613            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
614            selection when no reader argument is given.
615    
616    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
617    
618            * R/source.R (CSVSource): Now uses read.csv instead of scan
619            internally.
620    
621    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
622    
623            * R/reader.R (getReaders): Returns available reader functions.
624    
625            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
626            as default.
627    
628    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
629    
630            * R/stopwords.R (stopwords): Shortened code, removed codetools
631            variable warnings.
632    
633            * man/: Documentation for showMeta, added an example for tmMap.
634    
635            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
636            some minor typos fixed.
637    
638    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
639    
640            * R/aobjects.R (showMeta): Added method for pretty printing a
641            text document's meta data.
642    
643    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
644    
645            * R/textdoccol.R (TextDocCol): Better handling of empty
646            arguments.
647    
648            * NAMESPACE: Exported readDOC.
649    
650            * man/completeStems.Rd: Added an example.
651    
652    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
653    
654            * R/stopwords.R (stopwords): Look up .dat files at every
655            call. Allows users to modify stopword .dat files interactively.
656    
657    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
658    
659            * R/termdocmatrix.R (termFreq): Correct processing of empty
660            documents.
661    
662    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
663    
664            * man/: Updated documentation.
665    
666    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
667    
668            * R/complete.R (completeStems): Completes (heuristically) word
669            stems.
670    
671            * R/termdocmatrix.R (TermDocMatrix2): New modular
672            constructor.
673    
674            * NAMESPACE: Exported termFreq.
675    
676    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
677    
678            * R/reader.R (readDOC): Added MS Word reader (using antiword).
679    
680    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
681    
682            * R/weight.R: Weighting functions for TermDocMatrix.
683    
684    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
685    
686            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
687            functions for accessing dimension, column, and row names.
688    
689            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
690    
691    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
692    
693            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
694    
695    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
696    
697            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
698    
699    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * R/reader.R (readPDF): Removed manual checks for pdftotext and
702            pdfinfo. The system call gives a warning anyway.
703    
704    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
705    
706            * R/textdoccol.R (asPlain): Conversion from
707            StructuredTextDocuments to PlainTextDocuments.
708    
709    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
710    
711            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
712            for accessing term-document matrices.
713    
714            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
715            are installed.
716    
717    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
718    
719            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
720            Christian Buchta.
721    
722    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
723    
724            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
725    
726    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
727    
728            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
729    
730            * R/reader.R (readPDF): Added PDF reader.
731    
732    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
733    
734            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
735    
736            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
737    
738            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
739    
740            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
741    
742    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
743    
744            * R/distmeasure.R (dissimilarity): Replaced dists call from
745            package cba by new dist call from package proxy.
746    
747    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
748    
749            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
750    
751    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
752    
753            * R/termdocmatrix.R: require() uses the quietly option to suppress
754            loading messages.
755    
756    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758            * R/dictionary.R: Added dictionary support.
759    
760    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
761    
762            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
763            documents. This simplifies some functions, e.g., asPlain.
764    
765    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
766    
767            * inst/doc/tm.Rnw: Fixed some typos in vignette.
768    
769    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
770    
771            * R/textdoccol.R (replaceWords): Added method to replace a set of
772            words by a single word. Useful for synonyms.
773    
774    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
775    
776            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
777    
778    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
779    
780            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
781            vectors. Thanks to Ariel Maguyon for his error report.
782            (removeSparseTerms): New function to remove columns from a
783            term-document matrix exceeding a sparse factor.
784    
785    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
786    
787            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
788    
789    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
790    
791            * man/sFilter.Rd: Corrected documentation on statement format (use
792            '==' instead of '=').
793    
794    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
795    
796            * R/aobjects.R (StructuredTextDocument): Inherits from
797            TextDocument.
798    
799    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
800    
801            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
802            on sparse matrices as proposed by Martin Maechler.
803    
804    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
805    
806            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
807            \pkg{filehash} version makes them deprecated.
808    
809    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
810    
811            * R/termdocmatrix.R (textvector): Stemming is now performed before
812            erasing stopwords.
813            (weightMatrix): Adapted to handle sparse matrices.
814            (TermDocMatrix): Sparse matrix is now efficiently built by
815            direct stepwise insertion of row values into it.
816    
817    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
818    
819            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
820            due to ongoing problems. For our purposes the latter is as useful
821            as the replaced package.
822    
823    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
824    
825            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
826    
827            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
828    
829    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
830    
831            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
832            languages with available stopwords.
833    
834    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
835    
836            * inst/doc/tm.Rnw: Minor corrections in the vignette.
837    
838    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
839    
840            * DESCRIPTION: Update to version 0.2, since a lot of new features
841            have been integrated.
842    
843            * inst/stopwords: Updated existing stopwords and added stopwords
844            for various other languages.
845    
846    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
847    
848            * man/: Updated documentation.
849    
850            * Work/testDb.R: Script to test database stuff.
851    
852            * R/: Fixed various database related bugs. Seems to be rather
853            useable now, i.e., consider as alpha status for now.
854    
855    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
856    
857            * R/: Fixed some bugs related to database support.
858    
859    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
860    
861            * man/: Added a lot of examples to the manuals.
862    
863    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
864    
865            * man/: Updated parts of the documentation.
866    
867            * R/textdoccol.R (asPlain): Added conversion from newsgroup
868            documents to plain text documents.
869    
870    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
871    
872            * R/textdoccol.R: Finished experimental database support. Not yet
873            intensively tested.
874    
875            * R/source.R: Now each source has a default reader.
876    
877            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
878            class anymore.
879    
880            * R/plaintextdoc.R: Custom show method for plain text documents.
881    
882            * R/aobjects.R: Added a class for structured text documents.
883    
884            * R/reader.R: Replaced remaining \code{parser} occurrences with
885            \code{reader}.
886    
887            * R/textdoccol.R (summary): Indent tags.
888    
889            * R/textdoccol.R (removePunctuation): Transform method to remove
890            punctuation marks.
891    
892    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
893    
894            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
895            using prescindMeta().
896    
897    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
898    
899            * R/textdoccol.R: Improved database support.
900    
901    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
902    
903            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
904    
905            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
906            language code.
907    
908            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
909            into parserControl argument.
910    
911            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
912    
913    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
914    
915            * Work/tmDataSetup.R: The datasets acq and crude can now be
916            created on the fly.
917    
918            * R/stopwords.R: Introduced a function returning the stopwords for
919            a given language (English, German and French at the moment)
920    
921            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
922            otherwise falls back to Snowball package.
923    
924    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
925    
926            * man/dissimilarity-methods.Rd: Make clear that any method offered
927            by "dists" from package "cba" can be used.
928    
929  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
930    
931            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
932            to Kurt's latex suggestion. Removed points and underscores in
933            variable names for consistent naming.
934    
935          * DESCRIPTION: Update to version 0.1-2.          * DESCRIPTION: Update to version 0.1-2.
936    
937          * man/TextRepository.Rd: Fixed bug in documentation.          * man/TextRepository.Rd: Fixed bug in documentation.

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changed lines
  Added in v.1242

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