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trunk/tm/ChangeLog revision 719, Sun Mar 18 09:24:47 2007 UTC pkg/ChangeLog revision 1095, Wed Aug 25 19:05:38 2010 UTC
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1    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
4            \code{recursive} now determines whether existing corpus meta data
5            is used.
6    
7    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
8    
9            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
10    
11    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
14            remove terms not occurring in the corpus anymore.
15    
16    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
19            and Heaps' law.
20    
21    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
24            provided by a source.
25    
26    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/source.R (.Source): Provide document names.
29    
30    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/meta.R (`content_or_meta`): Utility function.
33    
34    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
35    
36            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
37            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
38    
39    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/weight.R (weightTfIdf): Added normalization option.
42    
43            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
44            analysis.
45    
46    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/score.R (tm_tag_score): Compute a score from the number of
49            tags matching in a document.
50    
51    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
52    
53            * R/complete.R (stemCompletion): New completion heuristics.
54    
55    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
58    
59    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
60    
61            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
62            setOldClass(c(..., "list")) works.
63    
64    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
65    
66            * R/transform.R (stemDocument.character): In case input is a
67            simple character just delegate to the default Snowball stemmer.
68    
69    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
72            data.
73    
74    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/doc.R (`Content<-`): Be careful with names attribute.
77    
78    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
79    
80            * R/source.R (DirSource): Improved implementation especially when
81            handling many (> 1M) files.
82    
83    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/source.R (getElem.URISource): Use encoding argument.
86    
87    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/doc.R (setOldClass): Register S3 document classes to be
90            recognized by S4 methods.
91    
92    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/matrix.R (termFreq): Add option to remove punctuation
95            characters.
96    
97    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
100            merging multiple term-document matrices.
101    
102    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/corpus.R (setOldClass): Register S3 corpus classes to be
105            recognized by S4 methods.
106    
107            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
108            that CRAN Mac OS X builds do not fail any longer.
109    
110    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
113            of RWeka:AlphabeticTokenizer() as default.
114    
115    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
118            caused words at the beginning or the end of a line not to be removed. Do
119            not delete whitespace anymore.
120    
121    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
122    
123            * R/source.R (DirSource): Default to working directory if no path
124            is specified.
125    
126    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/source.R (DirSource): Stop on empty directories.
129    
130    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
131    
132            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
133            named documents.
134    
135    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/transform.R (removeWords): Improve regular expressions.
138    
139    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
140    
141            * R/meta.R (DublinCore): Allow lower case tags.
142    
143    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
144    
145            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
146            instead of x$children.
147    
148    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
149    
150            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
151    
152    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/: Use S3 instead of S4 class system.
155    
156    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/reader.R (readMail): Moved to tm.plugin.mail package.
159    
160    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
163            postings are basically e-mails with some extra headers.
164    
165    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/transform.R: Move convertMboxEml, removeCitation,
168            removeMultipart, and removeSignature to the tm.plugin.mail package
169            since they are mainly utility functions (for handling e-mails) and
170            not very framework specific.
171    
172    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
173    
174            * man/: Fix documentation.
175    
176    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
177    
178            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
179            plain text document instead of an XML document for texts of the
180            Reuters-21578 dataset.
181    
182            * R/sparse.R: Removed since the slam package is now available on
183            CRAN.
184    
185            * DESCRIPTION (Depends): Add slam package.
186    
187    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/transform.R (stemDoc): Fix character(0) handling.
190    
191    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
192    
193            * R/doc.R (show): Pretty print.
194    
195    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
196    
197            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
198            gracefully.
199    
200    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
201    
202            * R/corpus.R: Make corpus virtual. Implement corpus with standard
203            and permanent storage semantics.
204    
205            * DESCRIPTION: New major release. A *lot* of improvements.
206    
207    2009-05-04   Ingo Feinerer <feinerer@logic.at>
208    
209            * NAMESPACE: Export some simple_triplet_matrix functions.
210    
211    2009-04-28   Ingo Feinerer <feinerer@logic.at>
212    
213            * R/weight.R: Adapt tf-idf to new matrix format.
214    
215    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
216    
217            * R/matrix.R: Create two distinct classes for term-document and
218            document-term matrices.
219    
220    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
221    
222            * R/termdocmatrix.R: No longer use Matrix package. This reduces
223            package start-up time significantly.
224    
225    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
226    
227            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
228    
229    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
230    
231            * R/transform.R (tmReduce): Combine multiple maps into one
232            transformation.
233    
234    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/weight.R: Remove weightLogical since it does not return a
237            dgCMatrix.
238    
239            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
240            or TermDocumentMatrix instead.
241    
242    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
243    
244            * inst/doc/extensions.Rnw: Finished vignette.
245    
246    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
249            DocumentTermMatrix representations.
250    
251    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/reader.R (readXML): New reader for arbitrary XML files.
254    
255    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
258            (XMLSource): New XMLSource class for arbitrary XML files.
259            (Source): New slot Vectorized.
260    
261    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
262    
263            * R/reader.R (readTabular): Experimental reader for tabular data
264            structures which can be customized via user-defined mappings.
265    
266            * R/reader.R: Always use UTC time zone.
267    
268            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
269    
270    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/reader.R (readDOC): Options can be passed over to antiword.
273    
274            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
275            pdftotext.
276    
277    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
278    
279            * R/source.R (DirSource): Add pattern and ignore.case arguments
280            which are internally passed over to list.files().
281    
282    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
283    
284            * inst/doc/tm.Rnw: Suppress pointless loading message.
285    
286    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
287    
288            * DESCRIPTION: Speed up package loading (via moving packages not
289            strictly necessary for normal operation to Suggests instead of
290            Depends).
291    
292    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
293    
294            * R/reader.R (readNewsgroup): The date format is now configurable.
295    
296    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
297    
298            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
299    
300    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
301    
302            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
303    
304    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
305    
306            * R/source.R (DataframeSource): New source class for data frames.
307    
308            * R/source.R: Fixed non-standard call evaluation.
309    
310    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
311    
312            * R/source.R (URISource): New source class for a single document.
313    
314    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
315    
316            * R/source.R: Refactoring.
317    
318    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
319    
320            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
321            Rmpi installations more gracefully.
322    
323    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
324    
325            * R/source.R (Source): Add Length slot.
326    
327    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
328    
329            * R/AAA.R: Unify duplicated .onLoad function.
330    
331    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
332    
333            * DESCRIPTION (Suggests): Added Rmpi.
334    
335    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/source.R (getElem): Fix 'no visible binding' warning.
338    
339            * man/WeightFunction.Rd: Fix signature.
340    
341    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
342    
343            * R/weight.R: Introduce name abbreviations for weighting functions.
344    
345    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
346    
347            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
348    
349            * R/cluster.R: Provide convenience functions for using a MPI
350            cluster.
351    
352            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
353            available.
354    
355            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
356            available.
357    
358    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
359    
360            * R/textdoccol.R (lapply): Removed debug print out.
361    
362    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
363    
364            * R/reader.R (readRCV1): Improved meta data extraction from
365            Reuters Corpus Volume 1 documents.
366    
367    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
368    
369            * R/transform.R: Ensure that all mappings preserve multiline
370            structures.
371    
372    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
373    
374            * R/filter.R: Every filter has now an attribute indicating whether
375            it sould be applied to document level (doclevel).
376    
377            * R/textdoccol.R (tmFilter): Set searchFullText as new default
378            filter.
379    
380    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
381    
382            * R/transform.R (replacePatterns): Replaced removeWords by
383            replacePatterns. Suggested by Christian Buchta.
384    
385            * R/textdoccol.R (inspect): Improved formatting.
386    
387    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
388    
389            * inst/CITATION: Updated JSS article information.
390    
391            * R/textdoccol.R (setAs): Added coerce method from list to
392            corpus.
393    
394            * R/meta.R (meta): Improved meta data handling.
395    
396    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
397    
398            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
399            Christian Buchta.
400    
401            * inst/CITATION: Added template to include JSS article reference.
402    
403    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
404    
405            * R/textdoccol.R (tmMap): Introduced lazy mapping.
406    
407            * R/source.R: Added VectorSource.
408    
409    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
410    
411            * man/: Language codes should be in ISO 639-1 format.
412    
413            * R/textdoccol.R (asPlain): Preserve local meta data.
414    
415    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
416    
417            * R/textdoccol.R (writeCorpus): Function for writing a corpus
418            containing plain text documents to disk.
419    
420    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
421    
422            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
423            always set correctly.
424    
425            * R/textdoccol.R: Set load = TRUE as default for load on demand
426            since in most cases this is the wanted behaviour.
427    
428    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
429    
430            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
431    
432            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
433    
434    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
435    
436            * R/meta.R (meta): New function for consistent access to meta data
437            of document collections, repositories, and texts.
438    
439    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
440    
441            * R/: Better support for encodings.
442    
443    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
444    
445            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
446            selection when no reader argument is given.
447    
448    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
449    
450            * R/source.R (CSVSource): Now uses read.csv instead of scan
451            internally.
452    
453    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
454    
455            * R/reader.R (getReaders): Returns available reader functions.
456    
457            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
458            as default.
459    
460    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
461    
462            * R/stopwords.R (stopwords): Shortened code, removed codetools
463            variable warnings.
464    
465            * man/: Documentation for showMeta, added an example for tmMap.
466    
467            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
468            some minor typos fixed.
469    
470    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
471    
472            * R/aobjects.R (showMeta): Added method for pretty printing a
473            text document's meta data.
474    
475    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
476    
477            * R/textdoccol.R (TextDocCol): Better handling of empty
478            arguments.
479    
480            * NAMESPACE: Exported readDOC.
481    
482            * man/completeStems.Rd: Added an example.
483    
484    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
485    
486            * R/stopwords.R (stopwords): Look up .dat files at every
487            call. Allows users to modify stopword .dat files interactively.
488    
489    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
490    
491            * R/termdocmatrix.R (termFreq): Correct processing of empty
492            documents.
493    
494    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
495    
496            * man/: Updated documentation.
497    
498    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
499    
500            * R/complete.R (completeStems): Completes (heuristically) word
501            stems.
502    
503            * R/termdocmatrix.R (TermDocMatrix2): New modular
504            constructor.
505    
506            * NAMESPACE: Exported termFreq.
507    
508    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
509    
510            * R/reader.R (readDOC): Added MS Word reader (using antiword).
511    
512    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
513    
514            * R/weight.R: Weighting functions for TermDocMatrix.
515    
516    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
517    
518            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
519            functions for accessing dimension, column, and row names.
520    
521            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
522    
523    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
524    
525            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
526    
527    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
528    
529            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
530    
531    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
532    
533            * R/reader.R (readPDF): Removed manual checks for pdftotext and
534            pdfinfo. The system call gives a warning anyway.
535    
536    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
537    
538            * R/textdoccol.R (asPlain): Conversion from
539            StructuredTextDocuments to PlainTextDocuments.
540    
541    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
542    
543            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
544            for accessing term-document matrices.
545    
546            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
547            are installed.
548    
549    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
550    
551            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
552            Christian Buchta.
553    
554    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
555    
556            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
557    
558    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
559    
560            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
561    
562            * R/reader.R (readPDF): Added PDF reader.
563    
564    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
565    
566            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
567    
568            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
569    
570            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
571    
572            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
573    
574    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
575    
576            * R/distmeasure.R (dissimilarity): Replaced dists call from
577            package cba by new dist call from package proxy.
578    
579    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
580    
581            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
582    
583    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
584    
585            * R/termdocmatrix.R: require() uses the quietly option to suppress
586            loading messages.
587    
588    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/dictionary.R: Added dictionary support.
591    
592    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
593    
594            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
595            documents. This simplifies some functions, e.g., asPlain.
596    
597    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
598    
599            * inst/doc/tm.Rnw: Fixed some typos in vignette.
600    
601    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
602    
603            * R/textdoccol.R (replaceWords): Added method to replace a set of
604            words by a single word. Useful for synonyms.
605    
606    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
607    
608            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
609    
610    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
611    
612            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
613            vectors. Thanks to Ariel Maguyon for his error report.
614            (removeSparseTerms): New function to remove columns from a
615            term-document matrix exceeding a sparse factor.
616    
617    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
618    
619            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
620    
621    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
622    
623            * man/sFilter.Rd: Corrected documentation on statement format (use
624            '==' instead of '=').
625    
626    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
627    
628            * R/aobjects.R (StructuredTextDocument): Inherits from
629            TextDocument.
630    
631    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
632    
633            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
634            on sparse matrices as proposed by Martin Maechler.
635    
636    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
637    
638            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
639            \pkg{filehash} version makes them deprecated.
640    
641    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
642    
643            * R/termdocmatrix.R (textvector): Stemming is now performed before
644            erasing stopwords.
645            (weightMatrix): Adapted to handle sparse matrices.
646            (TermDocMatrix): Sparse matrix is now efficiently built by
647            direct stepwise insertion of row values into it.
648    
649    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
650    
651            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
652            due to ongoing problems. For our purposes the latter is as useful
653            as the replaced package.
654    
655    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
656    
657            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
658    
659            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
660    
661    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
662    
663            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
664            languages with available stopwords.
665    
666    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
667    
668            * inst/doc/tm.Rnw: Minor corrections in the vignette.
669    
670    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
671    
672            * DESCRIPTION: Update to version 0.2, since a lot of new features
673            have been integrated.
674    
675            * inst/stopwords: Updated existing stopwords and added stopwords
676            for various other languages.
677    
678    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
679    
680            * man/: Updated documentation.
681    
682            * Work/testDb.R: Script to test database stuff.
683    
684            * R/: Fixed various database related bugs. Seems to be rather
685            useable now, i.e., consider as alpha status for now.
686    
687    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
688    
689            * R/: Fixed some bugs related to database support.
690    
691    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
692    
693            * man/: Added a lot of examples to the manuals.
694    
695    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
696    
697            * man/: Updated parts of the documentation.
698    
699            * R/textdoccol.R (asPlain): Added conversion from newsgroup
700            documents to plain text documents.
701    
702    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
703    
704            * R/textdoccol.R: Finished experimental database support. Not yet
705            intensively tested.
706    
707            * R/source.R: Now each source has a default reader.
708    
709            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
710            class anymore.
711    
712            * R/plaintextdoc.R: Custom show method for plain text documents.
713    
714            * R/aobjects.R: Added a class for structured text documents.
715    
716            * R/reader.R: Replaced remaining \code{parser} occurrences with
717            \code{reader}.
718    
719            * R/textdoccol.R (summary): Indent tags.
720    
721            * R/textdoccol.R (removePunctuation): Transform method to remove
722            punctuation marks.
723    
724    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
725    
726            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
727            using prescindMeta().
728    
729  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
730    
731          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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