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

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