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trunk/tm/ChangeLog revision 719, Sun Mar 18 09:24:47 2007 UTC pkg/ChangeLog revision 1216, Thu Apr 11 12:05:53 2013 UTC
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1    2013-04-11  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
4            to determine character types.
5    
6    2012-12-14  Ingo Feinerer <feinerer@logic.at>
7    
8            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
9            when generating a simple_triplet_matrix. Reported by Arho Suominen.
10    
11    2012-12-10  Ingo Feinerer <feinerer@logic.at>
12    
13            * man/tm_reduce.Rd: Document right to left folding order. Adapt
14            example as well. Suggested by Mark Rosenstein.
15    
16    2012-12-04  Ingo Feinerer <feinerer@logic.at>
17    
18            * R/filter.R (sFilter): Avoid attach() and simplify.
19    
20    2012-11-02  Ingo Feinerer <feinerer@logic.at>
21    
22            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
23            removal of attributes.
24    
25    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
28            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
29            Frölich.
30    
31    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
32    
33            * R/transform.R (removeWords): Allow longer stopword lists.
34    
35    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/reader.R (readXML): Readers can now set the document language
38            themselves.
39    
40    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
43            proposed by Milan Bouchet-Valat.
44    
45    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/matrix.R (termFreq): Fix processing of user provided
48            stopwords. Reported by Bettina Grün.
49    
50    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/matrix.R (termFreq): Fix invalid handling of
53            control$wordLengths[1]. Reported by Steven C. Bagley.
54    
55    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
56    
57            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
58    
59    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
60    
61            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
62    
63    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/transform.R (removePunctuation): Add option to preserve
66            intra-word dashes.
67    
68    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/matrix.R (termFreq): Allow reordering of control option
71            processing.
72    
73    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
76            pdfinfo tool.
77    
78            * inst/stopwords/SMART.dat: Add SMART information retrieval system
79            stopwords (which are also used by the MC toolkit).
80    
81            * R/matrix (termFreq): Allow local option \code{bounds$local} to
82            restrict how often a term may appear in each document (generalizes
83            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
84            for word length bounds (generalizes \code{minWordLength}).
85    
86            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
87            \code{bounds$global} for restricting how often a term is allowed
88            to appear in different documents.
89    
90            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
91            local options delegated internally to termFreq() and global
92            options which are processed by the term-document matrix
93            constructor itself.
94    
95    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
96    
97            * man/getTokenizers.Rd: Document getTokenizers().
98    
99            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
100    
101    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
102    
103            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
104    
105            * man/combine.Rd: Document c.term_frequency().
106    
107    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
108    
109            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
110            can be accessed via '[' and not '[['.
111    
112    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/stopwords.R (stopwords): Raise an error if no stopwords are
115            available for requested language. Suggested by Derek M Jones.
116    
117    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
120            normalization.
121    
122    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/transform.R (stemDocument.PlainTextDocument): Use language
125            argument.
126    
127    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/source.R: Store strings and connections instead of unevaluated
130            calls.
131    
132    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
135    
136    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
139            (instead of a list element).
140    
141    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
144            documents by names (fallback to IDs if names are not set).
145    
146    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
147    
148            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
149            \code{recursive} now determines whether existing corpus meta data
150            is used.
151    
152    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
155    
156    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
159            remove terms not occurring in the corpus anymore.
160    
161    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
164            and Heaps' law.
165    
166    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
169            provided by a source.
170    
171    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
172    
173            * R/source.R (.Source): Provide document names.
174    
175    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/meta.R (`content_or_meta`): Utility function.
178    
179    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
180    
181            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
182            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
183    
184    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/weight.R (weightTfIdf): Added normalization option.
187    
188            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
189            analysis.
190    
191    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
192    
193            * R/score.R (tm_tag_score): Compute a score from the number of
194            tags matching in a document.
195    
196    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
197    
198            * R/complete.R (stemCompletion): New completion heuristics.
199    
200    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
201    
202            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
203    
204    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
205    
206            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
207            setOldClass(c(..., "list")) works.
208    
209    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
210    
211            * R/transform.R (stemDocument.character): In case input is a
212            simple character just delegate to the default Snowball stemmer.
213    
214    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
217            data.
218    
219    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
220    
221            * R/doc.R (`Content<-`): Be careful with names attribute.
222    
223    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
224    
225            * R/source.R (DirSource): Improved implementation especially when
226            handling many (> 1M) files.
227    
228    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
229    
230            * R/source.R (getElem.URISource): Use encoding argument.
231    
232    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
233    
234            * R/doc.R (setOldClass): Register S3 document classes to be
235            recognized by S4 methods.
236    
237    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
238    
239            * R/matrix.R (termFreq): Add option to remove punctuation
240            characters.
241    
242    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
245            merging multiple term-document matrices.
246    
247    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
248    
249            * R/corpus.R (setOldClass): Register S3 corpus classes to be
250            recognized by S4 methods.
251    
252            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
253            that CRAN Mac OS X builds do not fail any longer.
254    
255    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
258            of RWeka:AlphabeticTokenizer() as default.
259    
260    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
263            caused words at the beginning or the end of a line not to be removed. Do
264            not delete whitespace anymore.
265    
266    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
267    
268            * R/source.R (DirSource): Default to working directory if no path
269            is specified.
270    
271    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
272    
273            * R/source.R (DirSource): Stop on empty directories.
274    
275    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
276    
277            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
278            named documents.
279    
280    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
281    
282            * R/transform.R (removeWords): Improve regular expressions.
283    
284    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
285    
286            * R/meta.R (DublinCore): Allow lower case tags.
287    
288    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
289    
290            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
291            instead of x$children.
292    
293    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
294    
295            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
296    
297    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
298    
299            * R/: Use S3 instead of S4 class system.
300    
301    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
302    
303            * R/reader.R (readMail): Moved to tm.plugin.mail package.
304    
305    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
306    
307            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
308            postings are basically e-mails with some extra headers.
309    
310    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
311    
312            * R/transform.R: Move convertMboxEml, removeCitation,
313            removeMultipart, and removeSignature to the tm.plugin.mail package
314            since they are mainly utility functions (for handling e-mails) and
315            not very framework specific.
316    
317    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
318    
319            * man/: Fix documentation.
320    
321    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
322    
323            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
324            plain text document instead of an XML document for texts of the
325            Reuters-21578 dataset.
326    
327            * R/sparse.R: Removed since the slam package is now available on
328            CRAN.
329    
330            * DESCRIPTION (Depends): Add slam package.
331    
332    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
333    
334            * R/transform.R (stemDoc): Fix character(0) handling.
335    
336    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
337    
338            * R/doc.R (show): Pretty print.
339    
340    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
341    
342            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
343            gracefully.
344    
345    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
346    
347            * R/corpus.R: Make corpus virtual. Implement corpus with standard
348            and permanent storage semantics.
349    
350            * DESCRIPTION: New major release. A *lot* of improvements.
351    
352    2009-05-04   Ingo Feinerer <feinerer@logic.at>
353    
354            * NAMESPACE: Export some simple_triplet_matrix functions.
355    
356    2009-04-28   Ingo Feinerer <feinerer@logic.at>
357    
358            * R/weight.R: Adapt tf-idf to new matrix format.
359    
360    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
361    
362            * R/matrix.R: Create two distinct classes for term-document and
363            document-term matrices.
364    
365    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
366    
367            * R/termdocmatrix.R: No longer use Matrix package. This reduces
368            package start-up time significantly.
369    
370    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
371    
372            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
373    
374    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
375    
376            * R/transform.R (tmReduce): Combine multiple maps into one
377            transformation.
378    
379    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
380    
381            * R/weight.R: Remove weightLogical since it does not return a
382            dgCMatrix.
383    
384            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
385            or TermDocumentMatrix instead.
386    
387    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
388    
389            * inst/doc/extensions.Rnw: Finished vignette.
390    
391    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
392    
393            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
394            DocumentTermMatrix representations.
395    
396    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
397    
398            * R/reader.R (readXML): New reader for arbitrary XML files.
399    
400    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
401    
402            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
403            (XMLSource): New XMLSource class for arbitrary XML files.
404            (Source): New slot Vectorized.
405    
406    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
407    
408            * R/reader.R (readTabular): Experimental reader for tabular data
409            structures which can be customized via user-defined mappings.
410    
411            * R/reader.R: Always use UTC time zone.
412    
413            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
414    
415    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
416    
417            * R/reader.R (readDOC): Options can be passed over to antiword.
418    
419            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
420            pdftotext.
421    
422    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
423    
424            * R/source.R (DirSource): Add pattern and ignore.case arguments
425            which are internally passed over to list.files().
426    
427    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
428    
429            * inst/doc/tm.Rnw: Suppress pointless loading message.
430    
431    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
432    
433            * DESCRIPTION: Speed up package loading (via moving packages not
434            strictly necessary for normal operation to Suggests instead of
435            Depends).
436    
437    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
438    
439            * R/reader.R (readNewsgroup): The date format is now configurable.
440    
441    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
442    
443            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
444    
445    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
446    
447            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
448    
449    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
450    
451            * R/source.R (DataframeSource): New source class for data frames.
452    
453            * R/source.R: Fixed non-standard call evaluation.
454    
455    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
456    
457            * R/source.R (URISource): New source class for a single document.
458    
459    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
460    
461            * R/source.R: Refactoring.
462    
463    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
464    
465            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
466            Rmpi installations more gracefully.
467    
468    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
469    
470            * R/source.R (Source): Add Length slot.
471    
472    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
473    
474            * R/AAA.R: Unify duplicated .onLoad function.
475    
476    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
477    
478            * DESCRIPTION (Suggests): Added Rmpi.
479    
480    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
481    
482            * R/source.R (getElem): Fix 'no visible binding' warning.
483    
484            * man/WeightFunction.Rd: Fix signature.
485    
486    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
487    
488            * R/weight.R: Introduce name abbreviations for weighting functions.
489    
490    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
491    
492            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
493    
494            * R/cluster.R: Provide convenience functions for using a MPI
495            cluster.
496    
497            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
498            available.
499    
500            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
501            available.
502    
503    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
504    
505            * R/textdoccol.R (lapply): Removed debug print out.
506    
507    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
508    
509            * R/reader.R (readRCV1): Improved meta data extraction from
510            Reuters Corpus Volume 1 documents.
511    
512    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
513    
514            * R/transform.R: Ensure that all mappings preserve multiline
515            structures.
516    
517    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
518    
519            * R/filter.R: Every filter has now an attribute indicating whether
520            it sould be applied to document level (doclevel).
521    
522            * R/textdoccol.R (tmFilter): Set searchFullText as new default
523            filter.
524    
525    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
526    
527            * R/transform.R (replacePatterns): Replaced removeWords by
528            replacePatterns. Suggested by Christian Buchta.
529    
530            * R/textdoccol.R (inspect): Improved formatting.
531    
532    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
533    
534            * inst/CITATION: Updated JSS article information.
535    
536            * R/textdoccol.R (setAs): Added coerce method from list to
537            corpus.
538    
539            * R/meta.R (meta): Improved meta data handling.
540    
541    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
542    
543            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
544            Christian Buchta.
545    
546            * inst/CITATION: Added template to include JSS article reference.
547    
548    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
549    
550            * R/textdoccol.R (tmMap): Introduced lazy mapping.
551    
552            * R/source.R: Added VectorSource.
553    
554    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
555    
556            * man/: Language codes should be in ISO 639-1 format.
557    
558            * R/textdoccol.R (asPlain): Preserve local meta data.
559    
560    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
561    
562            * R/textdoccol.R (writeCorpus): Function for writing a corpus
563            containing plain text documents to disk.
564    
565    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
566    
567            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
568            always set correctly.
569    
570            * R/textdoccol.R: Set load = TRUE as default for load on demand
571            since in most cases this is the wanted behaviour.
572    
573    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
574    
575            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
576    
577            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
578    
579    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
580    
581            * R/meta.R (meta): New function for consistent access to meta data
582            of document collections, repositories, and texts.
583    
584    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
585    
586            * R/: Better support for encodings.
587    
588    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
591            selection when no reader argument is given.
592    
593    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
594    
595            * R/source.R (CSVSource): Now uses read.csv instead of scan
596            internally.
597    
598    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
599    
600            * R/reader.R (getReaders): Returns available reader functions.
601    
602            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
603            as default.
604    
605    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * R/stopwords.R (stopwords): Shortened code, removed codetools
608            variable warnings.
609    
610            * man/: Documentation for showMeta, added an example for tmMap.
611    
612            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
613            some minor typos fixed.
614    
615    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
616    
617            * R/aobjects.R (showMeta): Added method for pretty printing a
618            text document's meta data.
619    
620    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/textdoccol.R (TextDocCol): Better handling of empty
623            arguments.
624    
625            * NAMESPACE: Exported readDOC.
626    
627            * man/completeStems.Rd: Added an example.
628    
629    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
630    
631            * R/stopwords.R (stopwords): Look up .dat files at every
632            call. Allows users to modify stopword .dat files interactively.
633    
634    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
635    
636            * R/termdocmatrix.R (termFreq): Correct processing of empty
637            documents.
638    
639    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
640    
641            * man/: Updated documentation.
642    
643    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
644    
645            * R/complete.R (completeStems): Completes (heuristically) word
646            stems.
647    
648            * R/termdocmatrix.R (TermDocMatrix2): New modular
649            constructor.
650    
651            * NAMESPACE: Exported termFreq.
652    
653    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
654    
655            * R/reader.R (readDOC): Added MS Word reader (using antiword).
656    
657    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
658    
659            * R/weight.R: Weighting functions for TermDocMatrix.
660    
661    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
662    
663            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
664            functions for accessing dimension, column, and row names.
665    
666            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
667    
668    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
669    
670            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
671    
672    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
673    
674            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
675    
676    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
677    
678            * R/reader.R (readPDF): Removed manual checks for pdftotext and
679            pdfinfo. The system call gives a warning anyway.
680    
681    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
682    
683            * R/textdoccol.R (asPlain): Conversion from
684            StructuredTextDocuments to PlainTextDocuments.
685    
686    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
687    
688            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
689            for accessing term-document matrices.
690    
691            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
692            are installed.
693    
694    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
697            Christian Buchta.
698    
699    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
702    
703    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
704    
705            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
706    
707            * R/reader.R (readPDF): Added PDF reader.
708    
709    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
710    
711            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
712    
713            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
714    
715            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
716    
717            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
718    
719    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
720    
721            * R/distmeasure.R (dissimilarity): Replaced dists call from
722            package cba by new dist call from package proxy.
723    
724    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
725    
726            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
727    
728    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
729    
730            * R/termdocmatrix.R: require() uses the quietly option to suppress
731            loading messages.
732    
733    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
734    
735            * R/dictionary.R: Added dictionary support.
736    
737    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
738    
739            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
740            documents. This simplifies some functions, e.g., asPlain.
741    
742    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
743    
744            * inst/doc/tm.Rnw: Fixed some typos in vignette.
745    
746    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
747    
748            * R/textdoccol.R (replaceWords): Added method to replace a set of
749            words by a single word. Useful for synonyms.
750    
751    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
752    
753            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
754    
755    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
756    
757            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
758            vectors. Thanks to Ariel Maguyon for his error report.
759            (removeSparseTerms): New function to remove columns from a
760            term-document matrix exceeding a sparse factor.
761    
762    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
763    
764            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
765    
766    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
767    
768            * man/sFilter.Rd: Corrected documentation on statement format (use
769            '==' instead of '=').
770    
771    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
772    
773            * R/aobjects.R (StructuredTextDocument): Inherits from
774            TextDocument.
775    
776    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
777    
778            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
779            on sparse matrices as proposed by Martin Maechler.
780    
781    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
782    
783            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
784            \pkg{filehash} version makes them deprecated.
785    
786    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
787    
788            * R/termdocmatrix.R (textvector): Stemming is now performed before
789            erasing stopwords.
790            (weightMatrix): Adapted to handle sparse matrices.
791            (TermDocMatrix): Sparse matrix is now efficiently built by
792            direct stepwise insertion of row values into it.
793    
794    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
795    
796            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
797            due to ongoing problems. For our purposes the latter is as useful
798            as the replaced package.
799    
800    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
801    
802            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
803    
804            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
805    
806    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
807    
808            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
809            languages with available stopwords.
810    
811    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
812    
813            * inst/doc/tm.Rnw: Minor corrections in the vignette.
814    
815    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
816    
817            * DESCRIPTION: Update to version 0.2, since a lot of new features
818            have been integrated.
819    
820            * inst/stopwords: Updated existing stopwords and added stopwords
821            for various other languages.
822    
823    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
824    
825            * man/: Updated documentation.
826    
827            * Work/testDb.R: Script to test database stuff.
828    
829            * R/: Fixed various database related bugs. Seems to be rather
830            useable now, i.e., consider as alpha status for now.
831    
832    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
833    
834            * R/: Fixed some bugs related to database support.
835    
836    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
837    
838            * man/: Added a lot of examples to the manuals.
839    
840    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
841    
842            * man/: Updated parts of the documentation.
843    
844            * R/textdoccol.R (asPlain): Added conversion from newsgroup
845            documents to plain text documents.
846    
847    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
848    
849            * R/textdoccol.R: Finished experimental database support. Not yet
850            intensively tested.
851    
852            * R/source.R: Now each source has a default reader.
853    
854            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
855            class anymore.
856    
857            * R/plaintextdoc.R: Custom show method for plain text documents.
858    
859            * R/aobjects.R: Added a class for structured text documents.
860    
861            * R/reader.R: Replaced remaining \code{parser} occurrences with
862            \code{reader}.
863    
864            * R/textdoccol.R (summary): Indent tags.
865    
866            * R/textdoccol.R (removePunctuation): Transform method to remove
867            punctuation marks.
868    
869    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
870    
871            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
872            using prescindMeta().
873    
874  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
875    
876          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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