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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 1234, Thu Jul 25 17:45:00 2013 UTC
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1    2013-07-25  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/complete.R (stemCompletion): Report NA instead of error when no
4            completion can be found by the prevalent heuristic. Suggested by Hugh
5            Devlin.
6    
7    2013-07-10  Ingo Feinerer <feinerer@logic.at>
8    
9            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
10            command line tool) instead of tools:::pdf_info().
11    
12    2013-04-11  Ingo Feinerer <feinerer@logic.at>
13    
14            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
15            to determine character types.
16    
17    2012-12-14  Ingo Feinerer <feinerer@logic.at>
18    
19            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
20            when generating a simple_triplet_matrix. Reported by Arho Suominen.
21    
22    2012-12-10  Ingo Feinerer <feinerer@logic.at>
23    
24            * man/tm_reduce.Rd: Document right to left folding order. Adapt
25            example as well. Suggested by Mark Rosenstein.
26    
27    2012-12-04  Ingo Feinerer <feinerer@logic.at>
28    
29            * R/filter.R (sFilter): Avoid attach() and simplify.
30    
31    2012-11-02  Ingo Feinerer <feinerer@logic.at>
32    
33            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
34            removal of attributes.
35    
36    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
39            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
40            Frölich.
41    
42    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/transform.R (removeWords): Allow longer stopword lists.
45    
46    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/reader.R (readXML): Readers can now set the document language
49            themselves.
50    
51    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
52    
53            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
54            proposed by Milan Bouchet-Valat.
55    
56    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/matrix.R (termFreq): Fix processing of user provided
59            stopwords. Reported by Bettina Grün.
60    
61    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/matrix.R (termFreq): Fix invalid handling of
64            control$wordLengths[1]. Reported by Steven C. Bagley.
65    
66    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
67    
68            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
69    
70    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
71    
72            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
73    
74    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/transform.R (removePunctuation): Add option to preserve
77            intra-word dashes.
78    
79    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
80    
81            * R/matrix.R (termFreq): Allow reordering of control option
82            processing.
83    
84    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
85    
86            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
87            pdfinfo tool.
88    
89            * inst/stopwords/SMART.dat: Add SMART information retrieval system
90            stopwords (which are also used by the MC toolkit).
91    
92            * R/matrix (termFreq): Allow local option \code{bounds$local} to
93            restrict how often a term may appear in each document (generalizes
94            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
95            for word length bounds (generalizes \code{minWordLength}).
96    
97            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
98            \code{bounds$global} for restricting how often a term is allowed
99            to appear in different documents.
100    
101            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
102            local options delegated internally to termFreq() and global
103            options which are processed by the term-document matrix
104            constructor itself.
105    
106    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
107    
108            * man/getTokenizers.Rd: Document getTokenizers().
109    
110            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
111    
112    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
113    
114            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
115    
116            * man/combine.Rd: Document c.term_frequency().
117    
118    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
119    
120            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
121            can be accessed via '[' and not '[['.
122    
123    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
124    
125            * R/stopwords.R (stopwords): Raise an error if no stopwords are
126            available for requested language. Suggested by Derek M Jones.
127    
128    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
129    
130            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
131            normalization.
132    
133    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/transform.R (stemDocument.PlainTextDocument): Use language
136            argument.
137    
138    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
139    
140            * R/source.R: Store strings and connections instead of unevaluated
141            calls.
142    
143    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
144    
145            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
146    
147    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
150            (instead of a list element).
151    
152    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
155            documents by names (fallback to IDs if names are not set).
156    
157    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
158    
159            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
160            \code{recursive} now determines whether existing corpus meta data
161            is used.
162    
163    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
164    
165            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
166    
167    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
168    
169            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
170            remove terms not occurring in the corpus anymore.
171    
172    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
175            and Heaps' law.
176    
177    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
180            provided by a source.
181    
182    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
183    
184            * R/source.R (.Source): Provide document names.
185    
186    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
187    
188            * R/meta.R (`content_or_meta`): Utility function.
189    
190    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
193            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
194    
195    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
196    
197            * R/weight.R (weightTfIdf): Added normalization option.
198    
199            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
200            analysis.
201    
202    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
203    
204            * R/score.R (tm_tag_score): Compute a score from the number of
205            tags matching in a document.
206    
207    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/complete.R (stemCompletion): New completion heuristics.
210    
211    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
212    
213            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
214    
215    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
216    
217            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
218            setOldClass(c(..., "list")) works.
219    
220    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
221    
222            * R/transform.R (stemDocument.character): In case input is a
223            simple character just delegate to the default Snowball stemmer.
224    
225    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
226    
227            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
228            data.
229    
230    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
231    
232            * R/doc.R (`Content<-`): Be careful with names attribute.
233    
234    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
235    
236            * R/source.R (DirSource): Improved implementation especially when
237            handling many (> 1M) files.
238    
239    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
240    
241            * R/source.R (getElem.URISource): Use encoding argument.
242    
243    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
244    
245            * R/doc.R (setOldClass): Register S3 document classes to be
246            recognized by S4 methods.
247    
248    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
249    
250            * R/matrix.R (termFreq): Add option to remove punctuation
251            characters.
252    
253    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
254    
255            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
256            merging multiple term-document matrices.
257    
258    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
259    
260            * R/corpus.R (setOldClass): Register S3 corpus classes to be
261            recognized by S4 methods.
262    
263            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
264            that CRAN Mac OS X builds do not fail any longer.
265    
266    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
267    
268            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
269            of RWeka:AlphabeticTokenizer() as default.
270    
271    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
272    
273            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
274            caused words at the beginning or the end of a line not to be removed. Do
275            not delete whitespace anymore.
276    
277    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
278    
279            * R/source.R (DirSource): Default to working directory if no path
280            is specified.
281    
282    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
283    
284            * R/source.R (DirSource): Stop on empty directories.
285    
286    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
287    
288            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
289            named documents.
290    
291    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
292    
293            * R/transform.R (removeWords): Improve regular expressions.
294    
295    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
296    
297            * R/meta.R (DublinCore): Allow lower case tags.
298    
299    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
300    
301            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
302            instead of x$children.
303    
304    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
305    
306            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
307    
308    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
309    
310            * R/: Use S3 instead of S4 class system.
311    
312    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/reader.R (readMail): Moved to tm.plugin.mail package.
315    
316    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
317    
318            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
319            postings are basically e-mails with some extra headers.
320    
321    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
322    
323            * R/transform.R: Move convertMboxEml, removeCitation,
324            removeMultipart, and removeSignature to the tm.plugin.mail package
325            since they are mainly utility functions (for handling e-mails) and
326            not very framework specific.
327    
328    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
329    
330            * man/: Fix documentation.
331    
332    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
333    
334            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
335            plain text document instead of an XML document for texts of the
336            Reuters-21578 dataset.
337    
338            * R/sparse.R: Removed since the slam package is now available on
339            CRAN.
340    
341            * DESCRIPTION (Depends): Add slam package.
342    
343    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
344    
345            * R/transform.R (stemDoc): Fix character(0) handling.
346    
347    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
348    
349            * R/doc.R (show): Pretty print.
350    
351    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
352    
353            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
354            gracefully.
355    
356    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
357    
358            * R/corpus.R: Make corpus virtual. Implement corpus with standard
359            and permanent storage semantics.
360    
361            * DESCRIPTION: New major release. A *lot* of improvements.
362    
363    2009-05-04   Ingo Feinerer <feinerer@logic.at>
364    
365            * NAMESPACE: Export some simple_triplet_matrix functions.
366    
367    2009-04-28   Ingo Feinerer <feinerer@logic.at>
368    
369            * R/weight.R: Adapt tf-idf to new matrix format.
370    
371    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
372    
373            * R/matrix.R: Create two distinct classes for term-document and
374            document-term matrices.
375    
376    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
377    
378            * R/termdocmatrix.R: No longer use Matrix package. This reduces
379            package start-up time significantly.
380    
381    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
382    
383            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
384    
385    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
386    
387            * R/transform.R (tmReduce): Combine multiple maps into one
388            transformation.
389    
390    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
391    
392            * R/weight.R: Remove weightLogical since it does not return a
393            dgCMatrix.
394    
395            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
396            or TermDocumentMatrix instead.
397    
398    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
399    
400            * inst/doc/extensions.Rnw: Finished vignette.
401    
402    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
403    
404            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
405            DocumentTermMatrix representations.
406    
407    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
408    
409            * R/reader.R (readXML): New reader for arbitrary XML files.
410    
411    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
412    
413            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
414            (XMLSource): New XMLSource class for arbitrary XML files.
415            (Source): New slot Vectorized.
416    
417    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
418    
419            * R/reader.R (readTabular): Experimental reader for tabular data
420            structures which can be customized via user-defined mappings.
421    
422            * R/reader.R: Always use UTC time zone.
423    
424            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
425    
426    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
427    
428            * R/reader.R (readDOC): Options can be passed over to antiword.
429    
430            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
431            pdftotext.
432    
433    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
434    
435            * R/source.R (DirSource): Add pattern and ignore.case arguments
436            which are internally passed over to list.files().
437    
438    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
439    
440            * inst/doc/tm.Rnw: Suppress pointless loading message.
441    
442    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
443    
444            * DESCRIPTION: Speed up package loading (via moving packages not
445            strictly necessary for normal operation to Suggests instead of
446            Depends).
447    
448    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
449    
450            * R/reader.R (readNewsgroup): The date format is now configurable.
451    
452    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
453    
454            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
455    
456    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
457    
458            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
459    
460    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
461    
462            * R/source.R (DataframeSource): New source class for data frames.
463    
464            * R/source.R: Fixed non-standard call evaluation.
465    
466    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
467    
468            * R/source.R (URISource): New source class for a single document.
469    
470    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
471    
472            * R/source.R: Refactoring.
473    
474    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
475    
476            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
477            Rmpi installations more gracefully.
478    
479    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
480    
481            * R/source.R (Source): Add Length slot.
482    
483    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
484    
485            * R/AAA.R: Unify duplicated .onLoad function.
486    
487    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
488    
489            * DESCRIPTION (Suggests): Added Rmpi.
490    
491    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
492    
493            * R/source.R (getElem): Fix 'no visible binding' warning.
494    
495            * man/WeightFunction.Rd: Fix signature.
496    
497    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
498    
499            * R/weight.R: Introduce name abbreviations for weighting functions.
500    
501    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
502    
503            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
504    
505            * R/cluster.R: Provide convenience functions for using a MPI
506            cluster.
507    
508            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
509            available.
510    
511            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
512            available.
513    
514    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
515    
516            * R/textdoccol.R (lapply): Removed debug print out.
517    
518    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
519    
520            * R/reader.R (readRCV1): Improved meta data extraction from
521            Reuters Corpus Volume 1 documents.
522    
523    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
524    
525            * R/transform.R: Ensure that all mappings preserve multiline
526            structures.
527    
528    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
529    
530            * R/filter.R: Every filter has now an attribute indicating whether
531            it sould be applied to document level (doclevel).
532    
533            * R/textdoccol.R (tmFilter): Set searchFullText as new default
534            filter.
535    
536    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
537    
538            * R/transform.R (replacePatterns): Replaced removeWords by
539            replacePatterns. Suggested by Christian Buchta.
540    
541            * R/textdoccol.R (inspect): Improved formatting.
542    
543    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
544    
545            * inst/CITATION: Updated JSS article information.
546    
547            * R/textdoccol.R (setAs): Added coerce method from list to
548            corpus.
549    
550            * R/meta.R (meta): Improved meta data handling.
551    
552    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
553    
554            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
555            Christian Buchta.
556    
557            * inst/CITATION: Added template to include JSS article reference.
558    
559    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
560    
561            * R/textdoccol.R (tmMap): Introduced lazy mapping.
562    
563            * R/source.R: Added VectorSource.
564    
565    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
566    
567            * man/: Language codes should be in ISO 639-1 format.
568    
569            * R/textdoccol.R (asPlain): Preserve local meta data.
570    
571    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
572    
573            * R/textdoccol.R (writeCorpus): Function for writing a corpus
574            containing plain text documents to disk.
575    
576    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
577    
578            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
579            always set correctly.
580    
581            * R/textdoccol.R: Set load = TRUE as default for load on demand
582            since in most cases this is the wanted behaviour.
583    
584    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
585    
586            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
587    
588            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
589    
590    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
591    
592            * R/meta.R (meta): New function for consistent access to meta data
593            of document collections, repositories, and texts.
594    
595    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
596    
597            * R/: Better support for encodings.
598    
599    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
600    
601            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
602            selection when no reader argument is given.
603    
604    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
605    
606            * R/source.R (CSVSource): Now uses read.csv instead of scan
607            internally.
608    
609    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
610    
611            * R/reader.R (getReaders): Returns available reader functions.
612    
613            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
614            as default.
615    
616    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
617    
618            * R/stopwords.R (stopwords): Shortened code, removed codetools
619            variable warnings.
620    
621            * man/: Documentation for showMeta, added an example for tmMap.
622    
623            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
624            some minor typos fixed.
625    
626    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
627    
628            * R/aobjects.R (showMeta): Added method for pretty printing a
629            text document's meta data.
630    
631    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
632    
633            * R/textdoccol.R (TextDocCol): Better handling of empty
634            arguments.
635    
636            * NAMESPACE: Exported readDOC.
637    
638            * man/completeStems.Rd: Added an example.
639    
640    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
641    
642            * R/stopwords.R (stopwords): Look up .dat files at every
643            call. Allows users to modify stopword .dat files interactively.
644    
645    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
646    
647            * R/termdocmatrix.R (termFreq): Correct processing of empty
648            documents.
649    
650    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
651    
652            * man/: Updated documentation.
653    
654    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
655    
656            * R/complete.R (completeStems): Completes (heuristically) word
657            stems.
658    
659            * R/termdocmatrix.R (TermDocMatrix2): New modular
660            constructor.
661    
662            * NAMESPACE: Exported termFreq.
663    
664    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
665    
666            * R/reader.R (readDOC): Added MS Word reader (using antiword).
667    
668    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
669    
670            * R/weight.R: Weighting functions for TermDocMatrix.
671    
672    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
673    
674            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
675            functions for accessing dimension, column, and row names.
676    
677            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
678    
679    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
680    
681            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
682    
683    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
684    
685            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
686    
687    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
688    
689            * R/reader.R (readPDF): Removed manual checks for pdftotext and
690            pdfinfo. The system call gives a warning anyway.
691    
692    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
693    
694            * R/textdoccol.R (asPlain): Conversion from
695            StructuredTextDocuments to PlainTextDocuments.
696    
697    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
698    
699            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
700            for accessing term-document matrices.
701    
702            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
703            are installed.
704    
705    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
706    
707            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
708            Christian Buchta.
709    
710    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
711    
712            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
713    
714    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
715    
716            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
717    
718            * R/reader.R (readPDF): Added PDF reader.
719    
720    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
721    
722            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
723    
724            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
725    
726            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
727    
728            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
729    
730    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
731    
732            * R/distmeasure.R (dissimilarity): Replaced dists call from
733            package cba by new dist call from package proxy.
734    
735    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
736    
737            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
738    
739    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
740    
741            * R/termdocmatrix.R: require() uses the quietly option to suppress
742            loading messages.
743    
744    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
745    
746            * R/dictionary.R: Added dictionary support.
747    
748    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
749    
750            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
751            documents. This simplifies some functions, e.g., asPlain.
752    
753    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
754    
755            * inst/doc/tm.Rnw: Fixed some typos in vignette.
756    
757    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
758    
759            * R/textdoccol.R (replaceWords): Added method to replace a set of
760            words by a single word. Useful for synonyms.
761    
762    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
763    
764            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
765    
766    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
767    
768            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
769            vectors. Thanks to Ariel Maguyon for his error report.
770            (removeSparseTerms): New function to remove columns from a
771            term-document matrix exceeding a sparse factor.
772    
773    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
774    
775            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
776    
777    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
778    
779            * man/sFilter.Rd: Corrected documentation on statement format (use
780            '==' instead of '=').
781    
782    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
783    
784            * R/aobjects.R (StructuredTextDocument): Inherits from
785            TextDocument.
786    
787    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
788    
789            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
790            on sparse matrices as proposed by Martin Maechler.
791    
792    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
793    
794            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
795            \pkg{filehash} version makes them deprecated.
796    
797    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
798    
799            * R/termdocmatrix.R (textvector): Stemming is now performed before
800            erasing stopwords.
801            (weightMatrix): Adapted to handle sparse matrices.
802            (TermDocMatrix): Sparse matrix is now efficiently built by
803            direct stepwise insertion of row values into it.
804    
805    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
806    
807            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
808            due to ongoing problems. For our purposes the latter is as useful
809            as the replaced package.
810    
811    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
812    
813            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
814    
815            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
816    
817    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
818    
819            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
820            languages with available stopwords.
821    
822    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
823    
824            * inst/doc/tm.Rnw: Minor corrections in the vignette.
825    
826    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828            * DESCRIPTION: Update to version 0.2, since a lot of new features
829            have been integrated.
830    
831            * inst/stopwords: Updated existing stopwords and added stopwords
832            for various other languages.
833    
834    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
835    
836            * man/: Updated documentation.
837    
838            * Work/testDb.R: Script to test database stuff.
839    
840            * R/: Fixed various database related bugs. Seems to be rather
841            useable now, i.e., consider as alpha status for now.
842    
843    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
844    
845            * R/: Fixed some bugs related to database support.
846    
847    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
848    
849            * man/: Added a lot of examples to the manuals.
850    
851    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
852    
853            * man/: Updated parts of the documentation.
854    
855            * R/textdoccol.R (asPlain): Added conversion from newsgroup
856            documents to plain text documents.
857    
858    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
859    
860            * R/textdoccol.R: Finished experimental database support. Not yet
861            intensively tested.
862    
863            * R/source.R: Now each source has a default reader.
864    
865            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
866            class anymore.
867    
868            * R/plaintextdoc.R: Custom show method for plain text documents.
869    
870            * R/aobjects.R: Added a class for structured text documents.
871    
872            * R/reader.R: Replaced remaining \code{parser} occurrences with
873            \code{reader}.
874    
875            * R/textdoccol.R (summary): Indent tags.
876    
877            * R/textdoccol.R (removePunctuation): Transform method to remove
878            punctuation marks.
879    
880    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
881    
882            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
883            using prescindMeta().
884    
885    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
886    
887            * R/textdoccol.R: Improved database support.
888    
889    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
890    
891            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
892    
893            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
894            language code.
895    
896            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
897            into parserControl argument.
898    
899            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
900    
901    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
902    
903            * Work/tmDataSetup.R: The datasets acq and crude can now be
904            created on the fly.
905    
906            * R/stopwords.R: Introduced a function returning the stopwords for
907            a given language (English, German and French at the moment)
908    
909            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
910            otherwise falls back to Snowball package.
911    
912    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
913    
914            * man/dissimilarity-methods.Rd: Make clear that any method offered
915            by "dists" from package "cba" can be used.
916    
917    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
918    
919            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
920            to Kurt's latex suggestion. Removed points and underscores in
921            variable names for consistent naming.
922    
923            * DESCRIPTION: Update to version 0.1-2.
924    
925            * man/TextRepository.Rd: Fixed bug in documentation.
926    
927    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
928    
929            * DESCRIPTION: Update to version 0.1-1.
930    
931    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
932    
933            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
934            wordStem.
935    
936    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
937    
938            * R/: Changes due to Kurt's review.
939    
940    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
941    
942            * R/: Implemented improvements based upon comments by David
943            Meyer.
944    
945    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
946    
947            * inst/doc/: Rewrote vignette.
948    
949            * man/: Improved documentation.
950    
951    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
952    
953            * man/: Updated documentation.
954    
955            * DESCRIPTION: Changed package name to "tm". Updated version to
956            0.1 for first CRAN release.
957    
958            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
959            list archive example.
960    
961            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
962            archive example.
963    
964            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
965            from (several mails per box) mbox format to (single mail per file)
966            eml format.
967    
968    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
969    
970            * data/crude.rda: Rebuilt.
971    
972            * data/acq.rda: Rebuilt.
973    
974            * R/reader.R: Factored out reader and parser methods from
975            textdoccol.R.
976    
977            * R/source.R: Factored out Source methods from aobjects.R and
978            textdoccol.R.
979            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
980            feeds.
981    
982            * R/textdoccol.R (DirSource): Added support for recursive
983            traversal of directories.
984    
985    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
986    
987            * R/textdoccol.R ([[): Loads the document corpus automatically
988            into memory upon access.
989            (tm_transform, tm_filter): Removed several checks whether the
990            document is already loaded ([[ ensures this now).
991            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
992            mailing list archive.
993    
994    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
995    
996            * R/aobjects.R (TextDocument): Is now a virtual class.
997            (Source): Is now a virtual class.
998    
999    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1000    
1001            * R/textdoccol.R (c): Support for an arbitrary number of document
1002            collections.
1003    
1004    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1005    
1006            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
1007            append_meta and remove_meta.
1008    
1009            * R/textdoccol.R: Removed modify_metadata method.
1010    
1011            * R/textrepo.R: Removed modify_metadata method.
1012    
1013            * R/textdoccol.R (remove_meta): Supports removal of document
1014            collection metadata and document (= in data frame) metadata.
1015    
1016    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1017    
1018            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
1019    
1020            * data/crude.rda: Rebuilt.
1021    
1022            * data/acq.rda: Rebuilt.
1023    
1024            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
1025    
1026            * R/textdoccol.R ([): Bug fix for subsetting a document
1027            collection's data frame.
1028    
1029    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1030    
1031            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
1032            to s_filter.
1033    
1034            * R/textdoccol.R: Local text documents' metadata can now be copied
1035            to a document collection's data frame with prescind_meta.
1036    
1037    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1038    
1039            * R/: Text documents' slot metadata is now accessible in s_filter.
1040    
1041            * R/: Rewrote s_filter function (has still some restrictions).
1042    
1043    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1044    
1045            * R/: Various fixes in handling metadata.
1046    
1047            * R/: Added update mechanism for text document collections.
1048    
1049    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1050    
1051            * R/: Merging of document collections now creates a binary tree
1052            for reconstructing merged document collections.
1053    
1054            * R/: Redesign of metadata for document collections.
1055    
1056    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1057    
1058            * R/: Messages now use \code{ngettext}.
1059    
1060    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1061    
1062            * R/: Added functions for modifying and removing metadata.
1063    
1064    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1065    
1066            * man/: Updated some documentation.
1067    
1068            * R/: Corrected some connection issues.
1069    
1070            * inst/doc: Worked on the vignette.
1071    
1072    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1073    
1074            * inst/: Added texts and started vignette.
1075    
1076            * R/: Final changes based upon David's comments.
1077    
1078    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1079    
1080            * NAMESPACE: Corrected exports (generic methods need exportMethods
1081            directives!).
1082    
1083    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1084    
1085            * R/: Modified the TextDocCol constructur and various parsers. It
1086            is now modular and supports various file formats via plugins (see
1087            the new "Source" class).
1088    
1089    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1090    
1091            * man/: Revised documentation after previous code changes.
1092    
1093    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1094    
1095            * R/: Remaining changes as discussed with David.
1096    
1097    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1098    
1099            * R/: Some changes as suggested by David. The rest will follow
1100            within the next days.
1101    
1102  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1103    
1104          * man/: Finished documentation.          * man/: Finished documentation.

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