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trunk/tm/ChangeLog revision 711, Tue Jan 30 13:03:55 2007 UTC pkg/ChangeLog revision 1149, Fri Nov 4 15:48:50 2011 UTC
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1    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
2    
3            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
4    
5            * man/combine.Rd: Document c.term_frequency.
6    
7    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
8    
9            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
10            can be accessed via '[' and not '[['.
11    
12    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
13    
14            * R/stopwords.R (stopwords): Raise an error if no stopwords are
15            available for requested language. Suggested by Derek M Jones.
16    
17    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
18    
19            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
20            normalization.
21    
22    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
23    
24            * R/transform.R (stemDocument.PlainTextDocument): Use language
25            argument.
26    
27    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
28    
29            * R/source.R: Store strings and connections instead of unevaluated
30            calls.
31    
32    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
33    
34            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
35    
36    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
39            (instead of a list element).
40    
41    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
42    
43            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
44            documents by names (fallback to IDs if names are not set).
45    
46    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
49            \code{recursive} now determines whether existing corpus meta data
50            is used.
51    
52    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
55    
56    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
59            remove terms not occurring in the corpus anymore.
60    
61    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
64            and Heaps' law.
65    
66    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
67    
68            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
69            provided by a source.
70    
71    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/source.R (.Source): Provide document names.
74    
75    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
76    
77            * R/meta.R (`content_or_meta`): Utility function.
78    
79    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
80    
81            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
82            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
83    
84    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
85    
86            * R/weight.R (weightTfIdf): Added normalization option.
87    
88            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
89            analysis.
90    
91    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/score.R (tm_tag_score): Compute a score from the number of
94            tags matching in a document.
95    
96    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/complete.R (stemCompletion): New completion heuristics.
99    
100    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
101    
102            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
103    
104    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
105    
106            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
107            setOldClass(c(..., "list")) works.
108    
109    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
110    
111            * R/transform.R (stemDocument.character): In case input is a
112            simple character just delegate to the default Snowball stemmer.
113    
114    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
115    
116            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
117            data.
118    
119    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
120    
121            * R/doc.R (`Content<-`): Be careful with names attribute.
122    
123    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
124    
125            * R/source.R (DirSource): Improved implementation especially when
126            handling many (> 1M) files.
127    
128    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
129    
130            * R/source.R (getElem.URISource): Use encoding argument.
131    
132    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/doc.R (setOldClass): Register S3 document classes to be
135            recognized by S4 methods.
136    
137    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/matrix.R (termFreq): Add option to remove punctuation
140            characters.
141    
142    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
145            merging multiple term-document matrices.
146    
147    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/corpus.R (setOldClass): Register S3 corpus classes to be
150            recognized by S4 methods.
151    
152            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
153            that CRAN Mac OS X builds do not fail any longer.
154    
155    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
158            of RWeka:AlphabeticTokenizer() as default.
159    
160    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
163            caused words at the beginning or the end of a line not to be removed. Do
164            not delete whitespace anymore.
165    
166    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/source.R (DirSource): Default to working directory if no path
169            is specified.
170    
171    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
172    
173            * R/source.R (DirSource): Stop on empty directories.
174    
175    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
178            named documents.
179    
180    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
181    
182            * R/transform.R (removeWords): Improve regular expressions.
183    
184    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/meta.R (DublinCore): Allow lower case tags.
187    
188    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
189    
190            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
191            instead of x$children.
192    
193    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
194    
195            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
196    
197    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
198    
199            * R/: Use S3 instead of S4 class system.
200    
201    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
202    
203            * R/reader.R (readMail): Moved to tm.plugin.mail package.
204    
205    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
206    
207            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
208            postings are basically e-mails with some extra headers.
209    
210    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
211    
212            * R/transform.R: Move convertMboxEml, removeCitation,
213            removeMultipart, and removeSignature to the tm.plugin.mail package
214            since they are mainly utility functions (for handling e-mails) and
215            not very framework specific.
216    
217    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
218    
219            * man/: Fix documentation.
220    
221    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
222    
223            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
224            plain text document instead of an XML document for texts of the
225            Reuters-21578 dataset.
226    
227            * R/sparse.R: Removed since the slam package is now available on
228            CRAN.
229    
230            * DESCRIPTION (Depends): Add slam package.
231    
232    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
233    
234            * R/transform.R (stemDoc): Fix character(0) handling.
235    
236    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
237    
238            * R/doc.R (show): Pretty print.
239    
240    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
241    
242            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
243            gracefully.
244    
245    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
246    
247            * R/corpus.R: Make corpus virtual. Implement corpus with standard
248            and permanent storage semantics.
249    
250            * DESCRIPTION: New major release. A *lot* of improvements.
251    
252    2009-05-04   Ingo Feinerer <feinerer@logic.at>
253    
254            * NAMESPACE: Export some simple_triplet_matrix functions.
255    
256    2009-04-28   Ingo Feinerer <feinerer@logic.at>
257    
258            * R/weight.R: Adapt tf-idf to new matrix format.
259    
260    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/matrix.R: Create two distinct classes for term-document and
263            document-term matrices.
264    
265    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/termdocmatrix.R: No longer use Matrix package. This reduces
268            package start-up time significantly.
269    
270    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
271    
272            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
273    
274    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
275    
276            * R/transform.R (tmReduce): Combine multiple maps into one
277            transformation.
278    
279    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
280    
281            * R/weight.R: Remove weightLogical since it does not return a
282            dgCMatrix.
283    
284            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
285            or TermDocumentMatrix instead.
286    
287    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
288    
289            * inst/doc/extensions.Rnw: Finished vignette.
290    
291    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
292    
293            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
294            DocumentTermMatrix representations.
295    
296    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
297    
298            * R/reader.R (readXML): New reader for arbitrary XML files.
299    
300    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
301    
302            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
303            (XMLSource): New XMLSource class for arbitrary XML files.
304            (Source): New slot Vectorized.
305    
306    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
307    
308            * R/reader.R (readTabular): Experimental reader for tabular data
309            structures which can be customized via user-defined mappings.
310    
311            * R/reader.R: Always use UTC time zone.
312    
313            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
314    
315    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
316    
317            * R/reader.R (readDOC): Options can be passed over to antiword.
318    
319            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
320            pdftotext.
321    
322    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
323    
324            * R/source.R (DirSource): Add pattern and ignore.case arguments
325            which are internally passed over to list.files().
326    
327    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
328    
329            * inst/doc/tm.Rnw: Suppress pointless loading message.
330    
331    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
332    
333            * DESCRIPTION: Speed up package loading (via moving packages not
334            strictly necessary for normal operation to Suggests instead of
335            Depends).
336    
337    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
338    
339            * R/reader.R (readNewsgroup): The date format is now configurable.
340    
341    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
342    
343            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
344    
345    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
346    
347            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
348    
349    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
350    
351            * R/source.R (DataframeSource): New source class for data frames.
352    
353            * R/source.R: Fixed non-standard call evaluation.
354    
355    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
356    
357            * R/source.R (URISource): New source class for a single document.
358    
359    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
360    
361            * R/source.R: Refactoring.
362    
363    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
364    
365            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
366            Rmpi installations more gracefully.
367    
368    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
369    
370            * R/source.R (Source): Add Length slot.
371    
372    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
373    
374            * R/AAA.R: Unify duplicated .onLoad function.
375    
376    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
377    
378            * DESCRIPTION (Suggests): Added Rmpi.
379    
380    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
381    
382            * R/source.R (getElem): Fix 'no visible binding' warning.
383    
384            * man/WeightFunction.Rd: Fix signature.
385    
386    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
387    
388            * R/weight.R: Introduce name abbreviations for weighting functions.
389    
390    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
391    
392            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
393    
394            * R/cluster.R: Provide convenience functions for using a MPI
395            cluster.
396    
397            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
398            available.
399    
400            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
401            available.
402    
403    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
404    
405            * R/textdoccol.R (lapply): Removed debug print out.
406    
407    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
408    
409            * R/reader.R (readRCV1): Improved meta data extraction from
410            Reuters Corpus Volume 1 documents.
411    
412    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
413    
414            * R/transform.R: Ensure that all mappings preserve multiline
415            structures.
416    
417    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
418    
419            * R/filter.R: Every filter has now an attribute indicating whether
420            it sould be applied to document level (doclevel).
421    
422            * R/textdoccol.R (tmFilter): Set searchFullText as new default
423            filter.
424    
425    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
426    
427            * R/transform.R (replacePatterns): Replaced removeWords by
428            replacePatterns. Suggested by Christian Buchta.
429    
430            * R/textdoccol.R (inspect): Improved formatting.
431    
432    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
433    
434            * inst/CITATION: Updated JSS article information.
435    
436            * R/textdoccol.R (setAs): Added coerce method from list to
437            corpus.
438    
439            * R/meta.R (meta): Improved meta data handling.
440    
441    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
442    
443            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
444            Christian Buchta.
445    
446            * inst/CITATION: Added template to include JSS article reference.
447    
448    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
449    
450            * R/textdoccol.R (tmMap): Introduced lazy mapping.
451    
452            * R/source.R: Added VectorSource.
453    
454    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * man/: Language codes should be in ISO 639-1 format.
457    
458            * R/textdoccol.R (asPlain): Preserve local meta data.
459    
460    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
461    
462            * R/textdoccol.R (writeCorpus): Function for writing a corpus
463            containing plain text documents to disk.
464    
465    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
466    
467            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
468            always set correctly.
469    
470            * R/textdoccol.R: Set load = TRUE as default for load on demand
471            since in most cases this is the wanted behaviour.
472    
473    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
476    
477            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
478    
479    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
480    
481            * R/meta.R (meta): New function for consistent access to meta data
482            of document collections, repositories, and texts.
483    
484    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
485    
486            * R/: Better support for encodings.
487    
488    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
489    
490            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
491            selection when no reader argument is given.
492    
493    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
494    
495            * R/source.R (CSVSource): Now uses read.csv instead of scan
496            internally.
497    
498    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
499    
500            * R/reader.R (getReaders): Returns available reader functions.
501    
502            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
503            as default.
504    
505    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
506    
507            * R/stopwords.R (stopwords): Shortened code, removed codetools
508            variable warnings.
509    
510            * man/: Documentation for showMeta, added an example for tmMap.
511    
512            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
513            some minor typos fixed.
514    
515    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
516    
517            * R/aobjects.R (showMeta): Added method for pretty printing a
518            text document's meta data.
519    
520    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
521    
522            * R/textdoccol.R (TextDocCol): Better handling of empty
523            arguments.
524    
525            * NAMESPACE: Exported readDOC.
526    
527            * man/completeStems.Rd: Added an example.
528    
529    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
530    
531            * R/stopwords.R (stopwords): Look up .dat files at every
532            call. Allows users to modify stopword .dat files interactively.
533    
534    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
535    
536            * R/termdocmatrix.R (termFreq): Correct processing of empty
537            documents.
538    
539    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
540    
541            * man/: Updated documentation.
542    
543    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
544    
545            * R/complete.R (completeStems): Completes (heuristically) word
546            stems.
547    
548            * R/termdocmatrix.R (TermDocMatrix2): New modular
549            constructor.
550    
551            * NAMESPACE: Exported termFreq.
552    
553    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
554    
555            * R/reader.R (readDOC): Added MS Word reader (using antiword).
556    
557    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
558    
559            * R/weight.R: Weighting functions for TermDocMatrix.
560    
561    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
562    
563            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
564            functions for accessing dimension, column, and row names.
565    
566            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
567    
568    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
569    
570            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
571    
572    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
573    
574            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
575    
576    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
577    
578            * R/reader.R (readPDF): Removed manual checks for pdftotext and
579            pdfinfo. The system call gives a warning anyway.
580    
581    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
582    
583            * R/textdoccol.R (asPlain): Conversion from
584            StructuredTextDocuments to PlainTextDocuments.
585    
586    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
587    
588            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
589            for accessing term-document matrices.
590    
591            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
592            are installed.
593    
594    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
595    
596            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
597            Christian Buchta.
598    
599    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
600    
601            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
602    
603    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
604    
605            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
606    
607            * R/reader.R (readPDF): Added PDF reader.
608    
609    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
610    
611            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
612    
613            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
614    
615            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
616    
617            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
618    
619    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
620    
621            * R/distmeasure.R (dissimilarity): Replaced dists call from
622            package cba by new dist call from package proxy.
623    
624    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
625    
626            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
627    
628    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
629    
630            * R/termdocmatrix.R: require() uses the quietly option to suppress
631            loading messages.
632    
633    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
634    
635            * R/dictionary.R: Added dictionary support.
636    
637    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
638    
639            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
640            documents. This simplifies some functions, e.g., asPlain.
641    
642    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
643    
644            * inst/doc/tm.Rnw: Fixed some typos in vignette.
645    
646    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
647    
648            * R/textdoccol.R (replaceWords): Added method to replace a set of
649            words by a single word. Useful for synonyms.
650    
651    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
652    
653            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
654    
655    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
656    
657            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
658            vectors. Thanks to Ariel Maguyon for his error report.
659            (removeSparseTerms): New function to remove columns from a
660            term-document matrix exceeding a sparse factor.
661    
662    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
663    
664            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
665    
666    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
667    
668            * man/sFilter.Rd: Corrected documentation on statement format (use
669            '==' instead of '=').
670    
671    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
672    
673            * R/aobjects.R (StructuredTextDocument): Inherits from
674            TextDocument.
675    
676    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
677    
678            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
679            on sparse matrices as proposed by Martin Maechler.
680    
681    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
682    
683            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
684            \pkg{filehash} version makes them deprecated.
685    
686    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
687    
688            * R/termdocmatrix.R (textvector): Stemming is now performed before
689            erasing stopwords.
690            (weightMatrix): Adapted to handle sparse matrices.
691            (TermDocMatrix): Sparse matrix is now efficiently built by
692            direct stepwise insertion of row values into it.
693    
694    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
695    
696            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
697            due to ongoing problems. For our purposes the latter is as useful
698            as the replaced package.
699    
700    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
701    
702            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
703    
704            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
705    
706    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
707    
708            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
709            languages with available stopwords.
710    
711    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
712    
713            * inst/doc/tm.Rnw: Minor corrections in the vignette.
714    
715    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
716    
717            * DESCRIPTION: Update to version 0.2, since a lot of new features
718            have been integrated.
719    
720            * inst/stopwords: Updated existing stopwords and added stopwords
721            for various other languages.
722    
723    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
724    
725            * man/: Updated documentation.
726    
727            * Work/testDb.R: Script to test database stuff.
728    
729            * R/: Fixed various database related bugs. Seems to be rather
730            useable now, i.e., consider as alpha status for now.
731    
732    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
733    
734            * R/: Fixed some bugs related to database support.
735    
736    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
737    
738            * man/: Added a lot of examples to the manuals.
739    
740    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
741    
742            * man/: Updated parts of the documentation.
743    
744            * R/textdoccol.R (asPlain): Added conversion from newsgroup
745            documents to plain text documents.
746    
747    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
748    
749            * R/textdoccol.R: Finished experimental database support. Not yet
750            intensively tested.
751    
752            * R/source.R: Now each source has a default reader.
753    
754            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
755            class anymore.
756    
757            * R/plaintextdoc.R: Custom show method for plain text documents.
758    
759            * R/aobjects.R: Added a class for structured text documents.
760    
761            * R/reader.R: Replaced remaining \code{parser} occurrences with
762            \code{reader}.
763    
764            * R/textdoccol.R (summary): Indent tags.
765    
766            * R/textdoccol.R (removePunctuation): Transform method to remove
767            punctuation marks.
768    
769    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
770    
771            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
772            using prescindMeta().
773    
774    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
775    
776            * R/textdoccol.R: Improved database support.
777    
778    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
779    
780            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
781    
782            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
783            language code.
784    
785            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
786            into parserControl argument.
787    
788            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
789    
790    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
791    
792            * Work/tmDataSetup.R: The datasets acq and crude can now be
793            created on the fly.
794    
795            * R/stopwords.R: Introduced a function returning the stopwords for
796            a given language (English, German and French at the moment)
797    
798            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
799            otherwise falls back to Snowball package.
800    
801  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
802    
803          * man/dissimilarity-methods.Rd: Make clear that any method offered          * man/dissimilarity-methods.Rd: Make clear that any method offered

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