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trunk/R/textmin/ChangeLog revision 48, Thu Jul 13 13:47:31 2006 UTC pkg/ChangeLog revision 1150, Tue Nov 15 15:37:17 2011 UTC
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1    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
2    
3            * man/getTokenizers.Rd: Document getTokenizers().
4    
5            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
6    
7    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
8    
9            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
10    
11            * man/combine.Rd: Document c.term_frequency().
12    
13    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
14    
15            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
16            can be accessed via '[' and not '[['.
17    
18    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
19    
20            * R/stopwords.R (stopwords): Raise an error if no stopwords are
21            available for requested language. Suggested by Derek M Jones.
22    
23    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
24    
25            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
26            normalization.
27    
28    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/transform.R (stemDocument.PlainTextDocument): Use language
31            argument.
32    
33    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
34    
35            * R/source.R: Store strings and connections instead of unevaluated
36            calls.
37    
38    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
39    
40            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
41    
42    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
45            (instead of a list element).
46    
47    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
48    
49            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
50            documents by names (fallback to IDs if names are not set).
51    
52    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
55            \code{recursive} now determines whether existing corpus meta data
56            is used.
57    
58    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
61    
62    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
63    
64            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
65            remove terms not occurring in the corpus anymore.
66    
67    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
70            and Heaps' law.
71    
72    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
73    
74            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
75            provided by a source.
76    
77    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
78    
79            * R/source.R (.Source): Provide document names.
80    
81    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
82    
83            * R/meta.R (`content_or_meta`): Utility function.
84    
85    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
88            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
89    
90    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
91    
92            * R/weight.R (weightTfIdf): Added normalization option.
93    
94            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
95            analysis.
96    
97    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/score.R (tm_tag_score): Compute a score from the number of
100            tags matching in a document.
101    
102    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/complete.R (stemCompletion): New completion heuristics.
105    
106    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
109    
110    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
111    
112            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
113            setOldClass(c(..., "list")) works.
114    
115    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/transform.R (stemDocument.character): In case input is a
118            simple character just delegate to the default Snowball stemmer.
119    
120    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
123            data.
124    
125    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
126    
127            * R/doc.R (`Content<-`): Be careful with names attribute.
128    
129    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
130    
131            * R/source.R (DirSource): Improved implementation especially when
132            handling many (> 1M) files.
133    
134    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
135    
136            * R/source.R (getElem.URISource): Use encoding argument.
137    
138    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
139    
140            * R/doc.R (setOldClass): Register S3 document classes to be
141            recognized by S4 methods.
142    
143    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
144    
145            * R/matrix.R (termFreq): Add option to remove punctuation
146            characters.
147    
148    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
149    
150            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
151            merging multiple term-document matrices.
152    
153    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
154    
155            * R/corpus.R (setOldClass): Register S3 corpus classes to be
156            recognized by S4 methods.
157    
158            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
159            that CRAN Mac OS X builds do not fail any longer.
160    
161    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
164            of RWeka:AlphabeticTokenizer() as default.
165    
166    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
169            caused words at the beginning or the end of a line not to be removed. Do
170            not delete whitespace anymore.
171    
172    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/source.R (DirSource): Default to working directory if no path
175            is specified.
176    
177    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/source.R (DirSource): Stop on empty directories.
180    
181    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
184            named documents.
185    
186    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
187    
188            * R/transform.R (removeWords): Improve regular expressions.
189    
190    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/meta.R (DublinCore): Allow lower case tags.
193    
194    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
197            instead of x$children.
198    
199    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
202    
203    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
204    
205            * R/: Use S3 instead of S4 class system.
206    
207    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/reader.R (readMail): Moved to tm.plugin.mail package.
210    
211    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
212    
213            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
214            postings are basically e-mails with some extra headers.
215    
216    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
217    
218            * R/transform.R: Move convertMboxEml, removeCitation,
219            removeMultipart, and removeSignature to the tm.plugin.mail package
220            since they are mainly utility functions (for handling e-mails) and
221            not very framework specific.
222    
223    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
224    
225            * man/: Fix documentation.
226    
227    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
228    
229            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
230            plain text document instead of an XML document for texts of the
231            Reuters-21578 dataset.
232    
233            * R/sparse.R: Removed since the slam package is now available on
234            CRAN.
235    
236            * DESCRIPTION (Depends): Add slam package.
237    
238    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
239    
240            * R/transform.R (stemDoc): Fix character(0) handling.
241    
242    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/doc.R (show): Pretty print.
245    
246    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
249            gracefully.
250    
251    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/corpus.R: Make corpus virtual. Implement corpus with standard
254            and permanent storage semantics.
255    
256            * DESCRIPTION: New major release. A *lot* of improvements.
257    
258    2009-05-04   Ingo Feinerer <feinerer@logic.at>
259    
260            * NAMESPACE: Export some simple_triplet_matrix functions.
261    
262    2009-04-28   Ingo Feinerer <feinerer@logic.at>
263    
264            * R/weight.R: Adapt tf-idf to new matrix format.
265    
266    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
267    
268            * R/matrix.R: Create two distinct classes for term-document and
269            document-term matrices.
270    
271    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
272    
273            * R/termdocmatrix.R: No longer use Matrix package. This reduces
274            package start-up time significantly.
275    
276    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
277    
278            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
279    
280    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
281    
282            * R/transform.R (tmReduce): Combine multiple maps into one
283            transformation.
284    
285    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
286    
287            * R/weight.R: Remove weightLogical since it does not return a
288            dgCMatrix.
289    
290            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
291            or TermDocumentMatrix instead.
292    
293    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
294    
295            * inst/doc/extensions.Rnw: Finished vignette.
296    
297    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
298    
299            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
300            DocumentTermMatrix representations.
301    
302    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
303    
304            * R/reader.R (readXML): New reader for arbitrary XML files.
305    
306    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
307    
308            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
309            (XMLSource): New XMLSource class for arbitrary XML files.
310            (Source): New slot Vectorized.
311    
312    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/reader.R (readTabular): Experimental reader for tabular data
315            structures which can be customized via user-defined mappings.
316    
317            * R/reader.R: Always use UTC time zone.
318    
319            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
320    
321    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
322    
323            * R/reader.R (readDOC): Options can be passed over to antiword.
324    
325            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
326            pdftotext.
327    
328    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
329    
330            * R/source.R (DirSource): Add pattern and ignore.case arguments
331            which are internally passed over to list.files().
332    
333    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
334    
335            * inst/doc/tm.Rnw: Suppress pointless loading message.
336    
337    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
338    
339            * DESCRIPTION: Speed up package loading (via moving packages not
340            strictly necessary for normal operation to Suggests instead of
341            Depends).
342    
343    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
344    
345            * R/reader.R (readNewsgroup): The date format is now configurable.
346    
347    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
348    
349            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
350    
351    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
352    
353            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
354    
355    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
356    
357            * R/source.R (DataframeSource): New source class for data frames.
358    
359            * R/source.R: Fixed non-standard call evaluation.
360    
361    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
362    
363            * R/source.R (URISource): New source class for a single document.
364    
365    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
366    
367            * R/source.R: Refactoring.
368    
369    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
370    
371            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
372            Rmpi installations more gracefully.
373    
374    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
375    
376            * R/source.R (Source): Add Length slot.
377    
378    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
379    
380            * R/AAA.R: Unify duplicated .onLoad function.
381    
382    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
383    
384            * DESCRIPTION (Suggests): Added Rmpi.
385    
386    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
387    
388            * R/source.R (getElem): Fix 'no visible binding' warning.
389    
390            * man/WeightFunction.Rd: Fix signature.
391    
392    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
393    
394            * R/weight.R: Introduce name abbreviations for weighting functions.
395    
396    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
397    
398            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
399    
400            * R/cluster.R: Provide convenience functions for using a MPI
401            cluster.
402    
403            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
404            available.
405    
406            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
407            available.
408    
409    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
410    
411            * R/textdoccol.R (lapply): Removed debug print out.
412    
413    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
414    
415            * R/reader.R (readRCV1): Improved meta data extraction from
416            Reuters Corpus Volume 1 documents.
417    
418    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
419    
420            * R/transform.R: Ensure that all mappings preserve multiline
421            structures.
422    
423    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
424    
425            * R/filter.R: Every filter has now an attribute indicating whether
426            it sould be applied to document level (doclevel).
427    
428            * R/textdoccol.R (tmFilter): Set searchFullText as new default
429            filter.
430    
431    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
432    
433            * R/transform.R (replacePatterns): Replaced removeWords by
434            replacePatterns. Suggested by Christian Buchta.
435    
436            * R/textdoccol.R (inspect): Improved formatting.
437    
438    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
439    
440            * inst/CITATION: Updated JSS article information.
441    
442            * R/textdoccol.R (setAs): Added coerce method from list to
443            corpus.
444    
445            * R/meta.R (meta): Improved meta data handling.
446    
447    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
448    
449            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
450            Christian Buchta.
451    
452            * inst/CITATION: Added template to include JSS article reference.
453    
454    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * R/textdoccol.R (tmMap): Introduced lazy mapping.
457    
458            * R/source.R: Added VectorSource.
459    
460    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
461    
462            * man/: Language codes should be in ISO 639-1 format.
463    
464            * R/textdoccol.R (asPlain): Preserve local meta data.
465    
466    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
467    
468            * R/textdoccol.R (writeCorpus): Function for writing a corpus
469            containing plain text documents to disk.
470    
471    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
472    
473            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
474            always set correctly.
475    
476            * R/textdoccol.R: Set load = TRUE as default for load on demand
477            since in most cases this is the wanted behaviour.
478    
479    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
480    
481            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
482    
483            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
484    
485    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
486    
487            * R/meta.R (meta): New function for consistent access to meta data
488            of document collections, repositories, and texts.
489    
490    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
491    
492            * R/: Better support for encodings.
493    
494    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
495    
496            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
497            selection when no reader argument is given.
498    
499    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
500    
501            * R/source.R (CSVSource): Now uses read.csv instead of scan
502            internally.
503    
504    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
505    
506            * R/reader.R (getReaders): Returns available reader functions.
507    
508            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
509            as default.
510    
511    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
512    
513            * R/stopwords.R (stopwords): Shortened code, removed codetools
514            variable warnings.
515    
516            * man/: Documentation for showMeta, added an example for tmMap.
517    
518            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
519            some minor typos fixed.
520    
521    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
522    
523            * R/aobjects.R (showMeta): Added method for pretty printing a
524            text document's meta data.
525    
526    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
527    
528            * R/textdoccol.R (TextDocCol): Better handling of empty
529            arguments.
530    
531            * NAMESPACE: Exported readDOC.
532    
533            * man/completeStems.Rd: Added an example.
534    
535    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * R/stopwords.R (stopwords): Look up .dat files at every
538            call. Allows users to modify stopword .dat files interactively.
539    
540    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
541    
542            * R/termdocmatrix.R (termFreq): Correct processing of empty
543            documents.
544    
545    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
546    
547            * man/: Updated documentation.
548    
549    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
550    
551            * R/complete.R (completeStems): Completes (heuristically) word
552            stems.
553    
554            * R/termdocmatrix.R (TermDocMatrix2): New modular
555            constructor.
556    
557            * NAMESPACE: Exported termFreq.
558    
559    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
560    
561            * R/reader.R (readDOC): Added MS Word reader (using antiword).
562    
563    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
564    
565            * R/weight.R: Weighting functions for TermDocMatrix.
566    
567    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
570            functions for accessing dimension, column, and row names.
571    
572            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
573    
574    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
575    
576            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
577    
578    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
579    
580            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
581    
582    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
583    
584            * R/reader.R (readPDF): Removed manual checks for pdftotext and
585            pdfinfo. The system call gives a warning anyway.
586    
587    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
588    
589            * R/textdoccol.R (asPlain): Conversion from
590            StructuredTextDocuments to PlainTextDocuments.
591    
592    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
593    
594            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
595            for accessing term-document matrices.
596    
597            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
598            are installed.
599    
600    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
601    
602            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
603            Christian Buchta.
604    
605    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
608    
609    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
610    
611            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
612    
613            * R/reader.R (readPDF): Added PDF reader.
614    
615    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
616    
617            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
618    
619            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
620    
621            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
622    
623            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
624    
625    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
626    
627            * R/distmeasure.R (dissimilarity): Replaced dists call from
628            package cba by new dist call from package proxy.
629    
630    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
631    
632            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
633    
634    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
635    
636            * R/termdocmatrix.R: require() uses the quietly option to suppress
637            loading messages.
638    
639    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
640    
641            * R/dictionary.R: Added dictionary support.
642    
643    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
644    
645            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
646            documents. This simplifies some functions, e.g., asPlain.
647    
648    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
649    
650            * inst/doc/tm.Rnw: Fixed some typos in vignette.
651    
652    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
653    
654            * R/textdoccol.R (replaceWords): Added method to replace a set of
655            words by a single word. Useful for synonyms.
656    
657    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
658    
659            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
660    
661    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
662    
663            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
664            vectors. Thanks to Ariel Maguyon for his error report.
665            (removeSparseTerms): New function to remove columns from a
666            term-document matrix exceeding a sparse factor.
667    
668    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
669    
670            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
671    
672    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
673    
674            * man/sFilter.Rd: Corrected documentation on statement format (use
675            '==' instead of '=').
676    
677    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
678    
679            * R/aobjects.R (StructuredTextDocument): Inherits from
680            TextDocument.
681    
682    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
683    
684            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
685            on sparse matrices as proposed by Martin Maechler.
686    
687    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
688    
689            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
690            \pkg{filehash} version makes them deprecated.
691    
692    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
693    
694            * R/termdocmatrix.R (textvector): Stemming is now performed before
695            erasing stopwords.
696            (weightMatrix): Adapted to handle sparse matrices.
697            (TermDocMatrix): Sparse matrix is now efficiently built by
698            direct stepwise insertion of row values into it.
699    
700    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
701    
702            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
703            due to ongoing problems. For our purposes the latter is as useful
704            as the replaced package.
705    
706    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
707    
708            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
709    
710            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
711    
712    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
713    
714            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
715            languages with available stopwords.
716    
717    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
718    
719            * inst/doc/tm.Rnw: Minor corrections in the vignette.
720    
721    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
722    
723            * DESCRIPTION: Update to version 0.2, since a lot of new features
724            have been integrated.
725    
726            * inst/stopwords: Updated existing stopwords and added stopwords
727            for various other languages.
728    
729    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
730    
731            * man/: Updated documentation.
732    
733            * Work/testDb.R: Script to test database stuff.
734    
735            * R/: Fixed various database related bugs. Seems to be rather
736            useable now, i.e., consider as alpha status for now.
737    
738    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
739    
740            * R/: Fixed some bugs related to database support.
741    
742    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
743    
744            * man/: Added a lot of examples to the manuals.
745    
746    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
747    
748            * man/: Updated parts of the documentation.
749    
750            * R/textdoccol.R (asPlain): Added conversion from newsgroup
751            documents to plain text documents.
752    
753    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
754    
755            * R/textdoccol.R: Finished experimental database support. Not yet
756            intensively tested.
757    
758            * R/source.R: Now each source has a default reader.
759    
760            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
761            class anymore.
762    
763            * R/plaintextdoc.R: Custom show method for plain text documents.
764    
765            * R/aobjects.R: Added a class for structured text documents.
766    
767            * R/reader.R: Replaced remaining \code{parser} occurrences with
768            \code{reader}.
769    
770            * R/textdoccol.R (summary): Indent tags.
771    
772            * R/textdoccol.R (removePunctuation): Transform method to remove
773            punctuation marks.
774    
775    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
776    
777            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
778            using prescindMeta().
779    
780    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
781    
782            * R/textdoccol.R: Improved database support.
783    
784    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
785    
786            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
787    
788            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
789            language code.
790    
791            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
792            into parserControl argument.
793    
794            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
795    
796    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
797    
798            * Work/tmDataSetup.R: The datasets acq and crude can now be
799            created on the fly.
800    
801            * R/stopwords.R: Introduced a function returning the stopwords for
802            a given language (English, German and French at the moment)
803    
804            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
805            otherwise falls back to Snowball package.
806    
807    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
808    
809            * man/dissimilarity-methods.Rd: Make clear that any method offered
810            by "dists" from package "cba" can be used.
811    
812    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
813    
814            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
815            to Kurt's latex suggestion. Removed points and underscores in
816            variable names for consistent naming.
817    
818            * DESCRIPTION: Update to version 0.1-2.
819    
820            * man/TextRepository.Rd: Fixed bug in documentation.
821    
822    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
823    
824            * DESCRIPTION: Update to version 0.1-1.
825    
826    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
829            wordStem.
830    
831    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
832    
833            * R/: Changes due to Kurt's review.
834    
835    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
836    
837            * R/: Implemented improvements based upon comments by David
838            Meyer.
839    
840    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
841    
842            * inst/doc/: Rewrote vignette.
843    
844            * man/: Improved documentation.
845    
846    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
847    
848            * man/: Updated documentation.
849    
850            * DESCRIPTION: Changed package name to "tm". Updated version to
851            0.1 for first CRAN release.
852    
853            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
854            list archive example.
855    
856            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
857            archive example.
858    
859            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
860            from (several mails per box) mbox format to (single mail per file)
861            eml format.
862    
863    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
864    
865            * data/crude.rda: Rebuilt.
866    
867            * data/acq.rda: Rebuilt.
868    
869            * R/reader.R: Factored out reader and parser methods from
870            textdoccol.R.
871    
872            * R/source.R: Factored out Source methods from aobjects.R and
873            textdoccol.R.
874            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
875            feeds.
876    
877            * R/textdoccol.R (DirSource): Added support for recursive
878            traversal of directories.
879    
880    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
881    
882            * R/textdoccol.R ([[): Loads the document corpus automatically
883            into memory upon access.
884            (tm_transform, tm_filter): Removed several checks whether the
885            document is already loaded ([[ ensures this now).
886            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
887            mailing list archive.
888    
889    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
890    
891            * R/aobjects.R (TextDocument): Is now a virtual class.
892            (Source): Is now a virtual class.
893    
894    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
895    
896            * R/textdoccol.R (c): Support for an arbitrary number of document
897            collections.
898    
899    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
900    
901            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
902            append_meta and remove_meta.
903    
904            * R/textdoccol.R: Removed modify_metadata method.
905    
906            * R/textrepo.R: Removed modify_metadata method.
907    
908            * R/textdoccol.R (remove_meta): Supports removal of document
909            collection metadata and document (= in data frame) metadata.
910    
911    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
912    
913            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
914    
915            * data/crude.rda: Rebuilt.
916    
917            * data/acq.rda: Rebuilt.
918    
919            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
920    
921            * R/textdoccol.R ([): Bug fix for subsetting a document
922            collection's data frame.
923    
924    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
925    
926            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
927            to s_filter.
928    
929            * R/textdoccol.R: Local text documents' metadata can now be copied
930            to a document collection's data frame with prescind_meta.
931    
932    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
933    
934            * R/: Text documents' slot metadata is now accessible in s_filter.
935    
936            * R/: Rewrote s_filter function (has still some restrictions).
937    
938    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
939    
940            * R/: Various fixes in handling metadata.
941    
942            * R/: Added update mechanism for text document collections.
943    
944    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
945    
946            * R/: Merging of document collections now creates a binary tree
947            for reconstructing merged document collections.
948    
949            * R/: Redesign of metadata for document collections.
950    
951    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
952    
953            * R/: Messages now use \code{ngettext}.
954    
955    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
956    
957            * R/: Added functions for modifying and removing metadata.
958    
959    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
960    
961            * man/: Updated some documentation.
962    
963            * R/: Corrected some connection issues.
964    
965            * inst/doc: Worked on the vignette.
966    
967    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
968    
969            * inst/: Added texts and started vignette.
970    
971            * R/: Final changes based upon David's comments.
972    
973    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
974    
975            * NAMESPACE: Corrected exports (generic methods need exportMethods
976            directives!).
977    
978    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
979    
980            * R/: Modified the TextDocCol constructur and various parsers. It
981            is now modular and supports various file formats via plugins (see
982            the new "Source" class).
983    
984    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
985    
986            * man/: Revised documentation after previous code changes.
987    
988    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
989    
990            * R/: Remaining changes as discussed with David.
991    
992    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
993    
994            * R/: Some changes as suggested by David. The rest will follow
995            within the next days.
996    
997    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
998    
999            * man/: Finished documentation.
1000    
1001    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1002    
1003            * man/: Wrote some documentation.
1004    
1005    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1006    
1007            * R/: Further syntactic sugar in form of additional assignment and
1008            accessor methods.
1009    
1010    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1011    
1012            * R/: Syntactic sugar in form of "length", "show" and "summary"
1013            operators.
1014    
1015    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1016    
1017            * R/: Diverse updates. Mainly on default operators ("[" or "c")
1018            and dissimilarities.
1019    
1020    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1021    
1022            * R/: Added similarity functions.
1023    
1024            * data/: Added english stopwords.
1025    
1026    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1027    
1028            * data/: Examples compiled for new features
1029    
1030            * R/: Changes due to new structure.
1031    
1032            * NAMESPACE: Corrected namespace to reflect new structure.
1033    
1034            * R/termdocmatrix.R: Adapted for new naming scheme.
1035    
1036    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1037    
1038            * R/textdoccol.R: Adapted code for new class structure. Wrote
1039            several transform and filter functions operating on text document
1040            collections (alias text document databases).
1041    
1042            * R/aobjects.R: Adapted class structure with inheritance,
1043            repositories and additional meta data. Loading files on demand is
1044            now possible.
1045    
1046  2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
1047    
1048          * R/: Some cosmetic cleanups.          * R/: Some cosmetic cleanups.

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