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trunk/tm/ChangeLog revision 719, Sun Mar 18 09:24:47 2007 UTC pkg/ChangeLog revision 1199, Mon Dec 10 14:37:54 2012 UTC
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1    2012-12-10  Ingo Feinerer <feinerer@logic.at>
2    
3            * man/tm_reduce.Rd: Document right to left folding order. Adapt
4            example as well. Suggested by Mark Rosenstein.
5    
6    2012-12-04  Ingo Feinerer <feinerer@logic.at>
7    
8            * R/filter.R (sFilter): Avoid attach() and simplify.
9    
10    2012-11-02  Ingo Feinerer <feinerer@logic.at>
11    
12            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
13            removal of attributes.
14    
15    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
18            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
19            Frölich.
20    
21    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/transform.R (removeWords): Allow longer stopword lists.
24    
25    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/reader.R (readXML): Readers can now set the document language
28            themselves.
29    
30    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
33            proposed by Milan Bouchet-Valat.
34    
35    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/matrix.R (termFreq): Fix processing of user provided
38            stopwords. Reported by Bettina Grün.
39    
40    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/matrix.R (termFreq): Fix invalid handling of
43            control$wordLengths[1]. Reported by Steven C. Bagley.
44    
45    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
46    
47            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
48    
49    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
52    
53    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/transform.R (removePunctuation): Add option to preserve
56            intra-word dashes.
57    
58    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/matrix.R (termFreq): Allow reordering of control option
61            processing.
62    
63    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
66            pdfinfo tool.
67    
68            * inst/stopwords/SMART.dat: Add SMART information retrieval system
69            stopwords (which are also used by the MC toolkit).
70    
71            * R/matrix (termFreq): Allow local option \code{bounds$local} to
72            restrict how often a term may appear in each document (generalizes
73            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
74            for word length bounds (generalizes \code{minWordLength}).
75    
76            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
77            \code{bounds$global} for restricting how often a term is allowed
78            to appear in different documents.
79    
80            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
81            local options delegated internally to termFreq() and global
82            options which are processed by the term-document matrix
83            constructor itself.
84    
85    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
86    
87            * man/getTokenizers.Rd: Document getTokenizers().
88    
89            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
90    
91    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
92    
93            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
94    
95            * man/combine.Rd: Document c.term_frequency().
96    
97    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
100            can be accessed via '[' and not '[['.
101    
102    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/stopwords.R (stopwords): Raise an error if no stopwords are
105            available for requested language. Suggested by Derek M Jones.
106    
107    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
110            normalization.
111    
112    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/transform.R (stemDocument.PlainTextDocument): Use language
115            argument.
116    
117    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/source.R: Store strings and connections instead of unevaluated
120            calls.
121    
122    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
125    
126    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
129            (instead of a list element).
130    
131    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
134            documents by names (fallback to IDs if names are not set).
135    
136    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
139            \code{recursive} now determines whether existing corpus meta data
140            is used.
141    
142    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
145    
146    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
147    
148            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
149            remove terms not occurring in the corpus anymore.
150    
151    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
154            and Heaps' law.
155    
156    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
159            provided by a source.
160    
161    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/source.R (.Source): Provide document names.
164    
165    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/meta.R (`content_or_meta`): Utility function.
168    
169    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
172            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
173    
174    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
175    
176            * R/weight.R (weightTfIdf): Added normalization option.
177    
178            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
179            analysis.
180    
181    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/score.R (tm_tag_score): Compute a score from the number of
184            tags matching in a document.
185    
186    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
187    
188            * R/complete.R (stemCompletion): New completion heuristics.
189    
190    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
193    
194    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
195    
196            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
197            setOldClass(c(..., "list")) works.
198    
199    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/transform.R (stemDocument.character): In case input is a
202            simple character just delegate to the default Snowball stemmer.
203    
204    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
205    
206            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
207            data.
208    
209    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
210    
211            * R/doc.R (`Content<-`): Be careful with names attribute.
212    
213    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
214    
215            * R/source.R (DirSource): Improved implementation especially when
216            handling many (> 1M) files.
217    
218    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
219    
220            * R/source.R (getElem.URISource): Use encoding argument.
221    
222    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
223    
224            * R/doc.R (setOldClass): Register S3 document classes to be
225            recognized by S4 methods.
226    
227    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
228    
229            * R/matrix.R (termFreq): Add option to remove punctuation
230            characters.
231    
232    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
233    
234            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
235            merging multiple term-document matrices.
236    
237    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
238    
239            * R/corpus.R (setOldClass): Register S3 corpus classes to be
240            recognized by S4 methods.
241    
242            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
243            that CRAN Mac OS X builds do not fail any longer.
244    
245    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
246    
247            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
248            of RWeka:AlphabeticTokenizer() as default.
249    
250    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
251    
252            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
253            caused words at the beginning or the end of a line not to be removed. Do
254            not delete whitespace anymore.
255    
256    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
257    
258            * R/source.R (DirSource): Default to working directory if no path
259            is specified.
260    
261    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
262    
263            * R/source.R (DirSource): Stop on empty directories.
264    
265    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
268            named documents.
269    
270    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/transform.R (removeWords): Improve regular expressions.
273    
274    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
275    
276            * R/meta.R (DublinCore): Allow lower case tags.
277    
278    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
279    
280            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
281            instead of x$children.
282    
283    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
284    
285            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
286    
287    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
288    
289            * R/: Use S3 instead of S4 class system.
290    
291    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
292    
293            * R/reader.R (readMail): Moved to tm.plugin.mail package.
294    
295    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
296    
297            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
298            postings are basically e-mails with some extra headers.
299    
300    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
301    
302            * R/transform.R: Move convertMboxEml, removeCitation,
303            removeMultipart, and removeSignature to the tm.plugin.mail package
304            since they are mainly utility functions (for handling e-mails) and
305            not very framework specific.
306    
307    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
308    
309            * man/: Fix documentation.
310    
311    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
312    
313            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
314            plain text document instead of an XML document for texts of the
315            Reuters-21578 dataset.
316    
317            * R/sparse.R: Removed since the slam package is now available on
318            CRAN.
319    
320            * DESCRIPTION (Depends): Add slam package.
321    
322    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
323    
324            * R/transform.R (stemDoc): Fix character(0) handling.
325    
326    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/doc.R (show): Pretty print.
329    
330    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
331    
332            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
333            gracefully.
334    
335    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/corpus.R: Make corpus virtual. Implement corpus with standard
338            and permanent storage semantics.
339    
340            * DESCRIPTION: New major release. A *lot* of improvements.
341    
342    2009-05-04   Ingo Feinerer <feinerer@logic.at>
343    
344            * NAMESPACE: Export some simple_triplet_matrix functions.
345    
346    2009-04-28   Ingo Feinerer <feinerer@logic.at>
347    
348            * R/weight.R: Adapt tf-idf to new matrix format.
349    
350    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
351    
352            * R/matrix.R: Create two distinct classes for term-document and
353            document-term matrices.
354    
355    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
356    
357            * R/termdocmatrix.R: No longer use Matrix package. This reduces
358            package start-up time significantly.
359    
360    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
361    
362            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
363    
364    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
365    
366            * R/transform.R (tmReduce): Combine multiple maps into one
367            transformation.
368    
369    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
370    
371            * R/weight.R: Remove weightLogical since it does not return a
372            dgCMatrix.
373    
374            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
375            or TermDocumentMatrix instead.
376    
377    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
378    
379            * inst/doc/extensions.Rnw: Finished vignette.
380    
381    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
382    
383            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
384            DocumentTermMatrix representations.
385    
386    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
387    
388            * R/reader.R (readXML): New reader for arbitrary XML files.
389    
390    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
391    
392            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
393            (XMLSource): New XMLSource class for arbitrary XML files.
394            (Source): New slot Vectorized.
395    
396    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
397    
398            * R/reader.R (readTabular): Experimental reader for tabular data
399            structures which can be customized via user-defined mappings.
400    
401            * R/reader.R: Always use UTC time zone.
402    
403            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
404    
405    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
406    
407            * R/reader.R (readDOC): Options can be passed over to antiword.
408    
409            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
410            pdftotext.
411    
412    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
413    
414            * R/source.R (DirSource): Add pattern and ignore.case arguments
415            which are internally passed over to list.files().
416    
417    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
418    
419            * inst/doc/tm.Rnw: Suppress pointless loading message.
420    
421    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
422    
423            * DESCRIPTION: Speed up package loading (via moving packages not
424            strictly necessary for normal operation to Suggests instead of
425            Depends).
426    
427    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
428    
429            * R/reader.R (readNewsgroup): The date format is now configurable.
430    
431    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
432    
433            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
434    
435    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
436    
437            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
438    
439    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
440    
441            * R/source.R (DataframeSource): New source class for data frames.
442    
443            * R/source.R: Fixed non-standard call evaluation.
444    
445    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
446    
447            * R/source.R (URISource): New source class for a single document.
448    
449    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
450    
451            * R/source.R: Refactoring.
452    
453    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
454    
455            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
456            Rmpi installations more gracefully.
457    
458    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
459    
460            * R/source.R (Source): Add Length slot.
461    
462    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
463    
464            * R/AAA.R: Unify duplicated .onLoad function.
465    
466    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
467    
468            * DESCRIPTION (Suggests): Added Rmpi.
469    
470    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
471    
472            * R/source.R (getElem): Fix 'no visible binding' warning.
473    
474            * man/WeightFunction.Rd: Fix signature.
475    
476    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
477    
478            * R/weight.R: Introduce name abbreviations for weighting functions.
479    
480    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
481    
482            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
483    
484            * R/cluster.R: Provide convenience functions for using a MPI
485            cluster.
486    
487            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
488            available.
489    
490            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
491            available.
492    
493    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
494    
495            * R/textdoccol.R (lapply): Removed debug print out.
496    
497    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
498    
499            * R/reader.R (readRCV1): Improved meta data extraction from
500            Reuters Corpus Volume 1 documents.
501    
502    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
503    
504            * R/transform.R: Ensure that all mappings preserve multiline
505            structures.
506    
507    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
508    
509            * R/filter.R: Every filter has now an attribute indicating whether
510            it sould be applied to document level (doclevel).
511    
512            * R/textdoccol.R (tmFilter): Set searchFullText as new default
513            filter.
514    
515    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
516    
517            * R/transform.R (replacePatterns): Replaced removeWords by
518            replacePatterns. Suggested by Christian Buchta.
519    
520            * R/textdoccol.R (inspect): Improved formatting.
521    
522    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
523    
524            * inst/CITATION: Updated JSS article information.
525    
526            * R/textdoccol.R (setAs): Added coerce method from list to
527            corpus.
528    
529            * R/meta.R (meta): Improved meta data handling.
530    
531    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
532    
533            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
534            Christian Buchta.
535    
536            * inst/CITATION: Added template to include JSS article reference.
537    
538    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
539    
540            * R/textdoccol.R (tmMap): Introduced lazy mapping.
541    
542            * R/source.R: Added VectorSource.
543    
544    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
545    
546            * man/: Language codes should be in ISO 639-1 format.
547    
548            * R/textdoccol.R (asPlain): Preserve local meta data.
549    
550    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
551    
552            * R/textdoccol.R (writeCorpus): Function for writing a corpus
553            containing plain text documents to disk.
554    
555    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
556    
557            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
558            always set correctly.
559    
560            * R/textdoccol.R: Set load = TRUE as default for load on demand
561            since in most cases this is the wanted behaviour.
562    
563    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
564    
565            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
566    
567            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
568    
569    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
570    
571            * R/meta.R (meta): New function for consistent access to meta data
572            of document collections, repositories, and texts.
573    
574    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
575    
576            * R/: Better support for encodings.
577    
578    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
579    
580            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
581            selection when no reader argument is given.
582    
583    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
584    
585            * R/source.R (CSVSource): Now uses read.csv instead of scan
586            internally.
587    
588    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/reader.R (getReaders): Returns available reader functions.
591    
592            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
593            as default.
594    
595    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
596    
597            * R/stopwords.R (stopwords): Shortened code, removed codetools
598            variable warnings.
599    
600            * man/: Documentation for showMeta, added an example for tmMap.
601    
602            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
603            some minor typos fixed.
604    
605    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * R/aobjects.R (showMeta): Added method for pretty printing a
608            text document's meta data.
609    
610    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
611    
612            * R/textdoccol.R (TextDocCol): Better handling of empty
613            arguments.
614    
615            * NAMESPACE: Exported readDOC.
616    
617            * man/completeStems.Rd: Added an example.
618    
619    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
620    
621            * R/stopwords.R (stopwords): Look up .dat files at every
622            call. Allows users to modify stopword .dat files interactively.
623    
624    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
625    
626            * R/termdocmatrix.R (termFreq): Correct processing of empty
627            documents.
628    
629    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
630    
631            * man/: Updated documentation.
632    
633    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
634    
635            * R/complete.R (completeStems): Completes (heuristically) word
636            stems.
637    
638            * R/termdocmatrix.R (TermDocMatrix2): New modular
639            constructor.
640    
641            * NAMESPACE: Exported termFreq.
642    
643    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
644    
645            * R/reader.R (readDOC): Added MS Word reader (using antiword).
646    
647    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
648    
649            * R/weight.R: Weighting functions for TermDocMatrix.
650    
651    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
652    
653            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
654            functions for accessing dimension, column, and row names.
655    
656            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
657    
658    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
659    
660            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
661    
662    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
663    
664            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
665    
666    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
667    
668            * R/reader.R (readPDF): Removed manual checks for pdftotext and
669            pdfinfo. The system call gives a warning anyway.
670    
671    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
672    
673            * R/textdoccol.R (asPlain): Conversion from
674            StructuredTextDocuments to PlainTextDocuments.
675    
676    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
677    
678            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
679            for accessing term-document matrices.
680    
681            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
682            are installed.
683    
684    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
685    
686            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
687            Christian Buchta.
688    
689    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
690    
691            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
692    
693    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
694    
695            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
696    
697            * R/reader.R (readPDF): Added PDF reader.
698    
699    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
702    
703            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
704    
705            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
706    
707            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
708    
709    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
710    
711            * R/distmeasure.R (dissimilarity): Replaced dists call from
712            package cba by new dist call from package proxy.
713    
714    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
715    
716            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
717    
718    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
719    
720            * R/termdocmatrix.R: require() uses the quietly option to suppress
721            loading messages.
722    
723    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
724    
725            * R/dictionary.R: Added dictionary support.
726    
727    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
728    
729            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
730            documents. This simplifies some functions, e.g., asPlain.
731    
732    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
733    
734            * inst/doc/tm.Rnw: Fixed some typos in vignette.
735    
736    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
737    
738            * R/textdoccol.R (replaceWords): Added method to replace a set of
739            words by a single word. Useful for synonyms.
740    
741    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
742    
743            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
744    
745    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
746    
747            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
748            vectors. Thanks to Ariel Maguyon for his error report.
749            (removeSparseTerms): New function to remove columns from a
750            term-document matrix exceeding a sparse factor.
751    
752    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
753    
754            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
755    
756    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758            * man/sFilter.Rd: Corrected documentation on statement format (use
759            '==' instead of '=').
760    
761    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
762    
763            * R/aobjects.R (StructuredTextDocument): Inherits from
764            TextDocument.
765    
766    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
767    
768            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
769            on sparse matrices as proposed by Martin Maechler.
770    
771    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
772    
773            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
774            \pkg{filehash} version makes them deprecated.
775    
776    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
777    
778            * R/termdocmatrix.R (textvector): Stemming is now performed before
779            erasing stopwords.
780            (weightMatrix): Adapted to handle sparse matrices.
781            (TermDocMatrix): Sparse matrix is now efficiently built by
782            direct stepwise insertion of row values into it.
783    
784    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
785    
786            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
787            due to ongoing problems. For our purposes the latter is as useful
788            as the replaced package.
789    
790    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
791    
792            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
793    
794            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
795    
796    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
797    
798            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
799            languages with available stopwords.
800    
801    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
802    
803            * inst/doc/tm.Rnw: Minor corrections in the vignette.
804    
805    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
806    
807            * DESCRIPTION: Update to version 0.2, since a lot of new features
808            have been integrated.
809    
810            * inst/stopwords: Updated existing stopwords and added stopwords
811            for various other languages.
812    
813    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
814    
815            * man/: Updated documentation.
816    
817            * Work/testDb.R: Script to test database stuff.
818    
819            * R/: Fixed various database related bugs. Seems to be rather
820            useable now, i.e., consider as alpha status for now.
821    
822    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
823    
824            * R/: Fixed some bugs related to database support.
825    
826    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828            * man/: Added a lot of examples to the manuals.
829    
830    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
831    
832            * man/: Updated parts of the documentation.
833    
834            * R/textdoccol.R (asPlain): Added conversion from newsgroup
835            documents to plain text documents.
836    
837    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
838    
839            * R/textdoccol.R: Finished experimental database support. Not yet
840            intensively tested.
841    
842            * R/source.R: Now each source has a default reader.
843    
844            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
845            class anymore.
846    
847            * R/plaintextdoc.R: Custom show method for plain text documents.
848    
849            * R/aobjects.R: Added a class for structured text documents.
850    
851            * R/reader.R: Replaced remaining \code{parser} occurrences with
852            \code{reader}.
853    
854            * R/textdoccol.R (summary): Indent tags.
855    
856            * R/textdoccol.R (removePunctuation): Transform method to remove
857            punctuation marks.
858    
859    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
860    
861            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
862            using prescindMeta().
863    
864  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
865    
866          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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