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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 1022, Thu Nov 19 21:33:19 2009 UTC
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1    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
4            merging multiple term-document matrices.
5    
6    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/corpus.R (setOldClass): Register S3 corpus classes to be
9            recognized by S4 methods.
10    
11            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
12            that CRAN Mac OS X builds do not fail any longer.
13    
14    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
15    
16            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
17            of RWeka:AlphabeticTokenizer() as default.
18    
19    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
22            caused words at the beginning or the end of a line not to be removed. Do
23            not delete whitespace anymore.
24    
25    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/source.R (DirSource): Default to working directory if no path
28            is specified.
29    
30    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/source.R (DirSource): Stop on empty directories.
33    
34    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
35    
36            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
37            named documents.
38    
39    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/transform.R (removeWords): Improve regular expressions.
42    
43    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
44    
45            * R/meta.R (DublinCore): Allow lower case tags.
46    
47    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
48    
49            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
50            instead of x$children.
51    
52    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
55    
56    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/: Use S3 instead of S4 class system.
59    
60    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/reader.R (readMail): Moved to tm.plugin.mail package.
63    
64    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
65    
66            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
67            postings are basically e-mails with some extra headers.
68    
69    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/transform.R: Move convertMboxEml, removeCitation,
72            removeMultipart, and removeSignature to the tm.plugin.mail package
73            since they are mainly utility functions (for handling e-mails) and
74            not very framework specific.
75    
76    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
77    
78            * man/: Fix documentation.
79    
80    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
83            plain text document instead of an XML document for texts of the
84            Reuters-21578 dataset.
85    
86            * R/sparse.R: Removed since the slam package is now available on
87            CRAN.
88    
89            * DESCRIPTION (Depends): Add slam package.
90    
91    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/transform.R (stemDoc): Fix character(0) handling.
94    
95    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/doc.R (show): Pretty print.
98    
99    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
100    
101            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
102            gracefully.
103    
104    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
105    
106            * R/corpus.R: Make corpus virtual. Implement corpus with standard
107            and permanent storage semantics.
108    
109            * DESCRIPTION: New major release. A *lot* of improvements.
110    
111    2009-05-04   Ingo Feinerer <feinerer@logic.at>
112    
113            * NAMESPACE: Export some simple_triplet_matrix functions.
114    
115    2009-04-28   Ingo Feinerer <feinerer@logic.at>
116    
117            * R/weight.R: Adapt tf-idf to new matrix format.
118    
119    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
120    
121            * R/matrix.R: Create two distinct classes for term-document and
122            document-term matrices.
123    
124    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/termdocmatrix.R: No longer use Matrix package. This reduces
127            package start-up time significantly.
128    
129    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
130    
131            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
132    
133    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/transform.R (tmReduce): Combine multiple maps into one
136            transformation.
137    
138    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
139    
140            * R/weight.R: Remove weightLogical since it does not return a
141            dgCMatrix.
142    
143            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
144            or TermDocumentMatrix instead.
145    
146    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
147    
148            * inst/doc/extensions.Rnw: Finished vignette.
149    
150    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
153            DocumentTermMatrix representations.
154    
155    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/reader.R (readXML): New reader for arbitrary XML files.
158    
159    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
160    
161            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
162            (XMLSource): New XMLSource class for arbitrary XML files.
163            (Source): New slot Vectorized.
164    
165    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/reader.R (readTabular): Experimental reader for tabular data
168            structures which can be customized via user-defined mappings.
169    
170            * R/reader.R: Always use UTC time zone.
171    
172            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
173    
174    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
175    
176            * R/reader.R (readDOC): Options can be passed over to antiword.
177    
178            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
179            pdftotext.
180    
181    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/source.R (DirSource): Add pattern and ignore.case arguments
184            which are internally passed over to list.files().
185    
186    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
187    
188            * inst/doc/tm.Rnw: Suppress pointless loading message.
189    
190    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
191    
192            * DESCRIPTION: Speed up package loading (via moving packages not
193            strictly necessary for normal operation to Suggests instead of
194            Depends).
195    
196    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
197    
198            * R/reader.R (readNewsgroup): The date format is now configurable.
199    
200    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
201    
202            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
203    
204    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
205    
206            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
207    
208    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
209    
210            * R/source.R (DataframeSource): New source class for data frames.
211    
212            * R/source.R: Fixed non-standard call evaluation.
213    
214    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/source.R (URISource): New source class for a single document.
217    
218    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
219    
220            * R/source.R: Refactoring.
221    
222    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
223    
224            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
225            Rmpi installations more gracefully.
226    
227    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
228    
229            * R/source.R (Source): Add Length slot.
230    
231    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
232    
233            * R/AAA.R: Unify duplicated .onLoad function.
234    
235    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
236    
237            * DESCRIPTION (Suggests): Added Rmpi.
238    
239    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
240    
241            * R/source.R (getElem): Fix 'no visible binding' warning.
242    
243            * man/WeightFunction.Rd: Fix signature.
244    
245    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
246    
247            * R/weight.R: Introduce name abbreviations for weighting functions.
248    
249    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
250    
251            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
252    
253            * R/cluster.R: Provide convenience functions for using a MPI
254            cluster.
255    
256            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
257            available.
258    
259            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
260            available.
261    
262    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
263    
264            * R/textdoccol.R (lapply): Removed debug print out.
265    
266    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
267    
268            * R/reader.R (readRCV1): Improved meta data extraction from
269            Reuters Corpus Volume 1 documents.
270    
271    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
272    
273            * R/transform.R: Ensure that all mappings preserve multiline
274            structures.
275    
276    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * R/filter.R: Every filter has now an attribute indicating whether
279            it sould be applied to document level (doclevel).
280    
281            * R/textdoccol.R (tmFilter): Set searchFullText as new default
282            filter.
283    
284    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286            * R/transform.R (replacePatterns): Replaced removeWords by
287            replacePatterns. Suggested by Christian Buchta.
288    
289            * R/textdoccol.R (inspect): Improved formatting.
290    
291    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
292    
293            * inst/CITATION: Updated JSS article information.
294    
295            * R/textdoccol.R (setAs): Added coerce method from list to
296            corpus.
297    
298            * R/meta.R (meta): Improved meta data handling.
299    
300    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
303            Christian Buchta.
304    
305            * inst/CITATION: Added template to include JSS article reference.
306    
307    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
308    
309            * R/textdoccol.R (tmMap): Introduced lazy mapping.
310    
311            * R/source.R: Added VectorSource.
312    
313    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315            * man/: Language codes should be in ISO 639-1 format.
316    
317            * R/textdoccol.R (asPlain): Preserve local meta data.
318    
319    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * R/textdoccol.R (writeCorpus): Function for writing a corpus
322            containing plain text documents to disk.
323    
324    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
325    
326            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
327            always set correctly.
328    
329            * R/textdoccol.R: Set load = TRUE as default for load on demand
330            since in most cases this is the wanted behaviour.
331    
332    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
333    
334            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
335    
336            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
337    
338    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * R/meta.R (meta): New function for consistent access to meta data
341            of document collections, repositories, and texts.
342    
343    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
344    
345            * R/: Better support for encodings.
346    
347    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
348    
349            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
350            selection when no reader argument is given.
351    
352    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/source.R (CSVSource): Now uses read.csv instead of scan
355            internally.
356    
357    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
358    
359            * R/reader.R (getReaders): Returns available reader functions.
360    
361            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
362            as default.
363    
364    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * R/stopwords.R (stopwords): Shortened code, removed codetools
367            variable warnings.
368    
369            * man/: Documentation for showMeta, added an example for tmMap.
370    
371            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
372            some minor typos fixed.
373    
374    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
375    
376            * R/aobjects.R (showMeta): Added method for pretty printing a
377            text document's meta data.
378    
379    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
380    
381            * R/textdoccol.R (TextDocCol): Better handling of empty
382            arguments.
383    
384            * NAMESPACE: Exported readDOC.
385    
386            * man/completeStems.Rd: Added an example.
387    
388    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
389    
390            * R/stopwords.R (stopwords): Look up .dat files at every
391            call. Allows users to modify stopword .dat files interactively.
392    
393    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * R/termdocmatrix.R (termFreq): Correct processing of empty
396            documents.
397    
398    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * man/: Updated documentation.
401    
402    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
403    
404            * R/complete.R (completeStems): Completes (heuristically) word
405            stems.
406    
407            * R/termdocmatrix.R (TermDocMatrix2): New modular
408            constructor.
409    
410            * NAMESPACE: Exported termFreq.
411    
412    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
413    
414            * R/reader.R (readDOC): Added MS Word reader (using antiword).
415    
416    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/weight.R: Weighting functions for TermDocMatrix.
419    
420    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
421    
422            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
423            functions for accessing dimension, column, and row names.
424    
425            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
426    
427    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
428    
429            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
430    
431    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
432    
433            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
434    
435    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
436    
437            * R/reader.R (readPDF): Removed manual checks for pdftotext and
438            pdfinfo. The system call gives a warning anyway.
439    
440    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
441    
442            * R/textdoccol.R (asPlain): Conversion from
443            StructuredTextDocuments to PlainTextDocuments.
444    
445    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
446    
447            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
448            for accessing term-document matrices.
449    
450            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
451            are installed.
452    
453    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
454    
455            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
456            Christian Buchta.
457    
458    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
459    
460            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
461    
462    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
463    
464            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
465    
466            * R/reader.R (readPDF): Added PDF reader.
467    
468    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
469    
470            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
471    
472            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
473    
474            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
475    
476            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
477    
478    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
479    
480            * R/distmeasure.R (dissimilarity): Replaced dists call from
481            package cba by new dist call from package proxy.
482    
483    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
484    
485            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
486    
487    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
488    
489            * R/termdocmatrix.R: require() uses the quietly option to suppress
490            loading messages.
491    
492    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
493    
494            * R/dictionary.R: Added dictionary support.
495    
496    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
497    
498            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
499            documents. This simplifies some functions, e.g., asPlain.
500    
501    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
502    
503            * inst/doc/tm.Rnw: Fixed some typos in vignette.
504    
505    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
506    
507            * R/textdoccol.R (replaceWords): Added method to replace a set of
508            words by a single word. Useful for synonyms.
509    
510    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
511    
512            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
513    
514    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
517            vectors. Thanks to Ariel Maguyon for his error report.
518            (removeSparseTerms): New function to remove columns from a
519            term-document matrix exceeding a sparse factor.
520    
521    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
522    
523            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
524    
525    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
526    
527            * man/sFilter.Rd: Corrected documentation on statement format (use
528            '==' instead of '=').
529    
530    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
531    
532            * R/aobjects.R (StructuredTextDocument): Inherits from
533            TextDocument.
534    
535    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
538            on sparse matrices as proposed by Martin Maechler.
539    
540    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
541    
542            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
543            \pkg{filehash} version makes them deprecated.
544    
545    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
546    
547            * R/termdocmatrix.R (textvector): Stemming is now performed before
548            erasing stopwords.
549            (weightMatrix): Adapted to handle sparse matrices.
550            (TermDocMatrix): Sparse matrix is now efficiently built by
551            direct stepwise insertion of row values into it.
552    
553    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
554    
555            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
556            due to ongoing problems. For our purposes the latter is as useful
557            as the replaced package.
558    
559    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
560    
561            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
562    
563            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
564    
565    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
566    
567            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
568            languages with available stopwords.
569    
570    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
571    
572            * inst/doc/tm.Rnw: Minor corrections in the vignette.
573    
574    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
575    
576            * DESCRIPTION: Update to version 0.2, since a lot of new features
577            have been integrated.
578    
579            * inst/stopwords: Updated existing stopwords and added stopwords
580            for various other languages.
581    
582    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
583    
584            * man/: Updated documentation.
585    
586            * Work/testDb.R: Script to test database stuff.
587    
588            * R/: Fixed various database related bugs. Seems to be rather
589            useable now, i.e., consider as alpha status for now.
590    
591    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
592    
593            * R/: Fixed some bugs related to database support.
594    
595    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
596    
597            * man/: Added a lot of examples to the manuals.
598    
599    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
600    
601            * man/: Updated parts of the documentation.
602    
603            * R/textdoccol.R (asPlain): Added conversion from newsgroup
604            documents to plain text documents.
605    
606    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
607    
608            * R/textdoccol.R: Finished experimental database support. Not yet
609            intensively tested.
610    
611            * R/source.R: Now each source has a default reader.
612    
613            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
614            class anymore.
615    
616            * R/plaintextdoc.R: Custom show method for plain text documents.
617    
618            * R/aobjects.R: Added a class for structured text documents.
619    
620            * R/reader.R: Replaced remaining \code{parser} occurrences with
621            \code{reader}.
622    
623            * R/textdoccol.R (summary): Indent tags.
624    
625            * R/textdoccol.R (removePunctuation): Transform method to remove
626            punctuation marks.
627    
628    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
629    
630            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
631            using prescindMeta().
632    
633    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
634    
635            * R/textdoccol.R: Improved database support.
636    
637    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
638    
639            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
640    
641            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
642            language code.
643    
644            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
645            into parserControl argument.
646    
647            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
648    
649    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
650    
651            * Work/tmDataSetup.R: The datasets acq and crude can now be
652            created on the fly.
653    
654            * R/stopwords.R: Introduced a function returning the stopwords for
655            a given language (English, German and French at the moment)
656    
657            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
658            otherwise falls back to Snowball package.
659    
660    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
661    
662            * man/dissimilarity-methods.Rd: Make clear that any method offered
663            by "dists" from package "cba" can be used.
664    
665    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
666    
667            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
668            to Kurt's latex suggestion. Removed points and underscores in
669            variable names for consistent naming.
670    
671            * DESCRIPTION: Update to version 0.1-2.
672    
673            * man/TextRepository.Rd: Fixed bug in documentation.
674    
675    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
676    
677            * DESCRIPTION: Update to version 0.1-1.
678    
679    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
680    
681            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
682            wordStem.
683    
684    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
685    
686            * R/: Changes due to Kurt's review.
687    
688    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
689    
690            * R/: Implemented improvements based upon comments by David
691            Meyer.
692    
693    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
694    
695            * inst/doc/: Rewrote vignette.
696    
697            * man/: Improved documentation.
698    
699    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
700    
701            * man/: Updated documentation.
702    
703            * DESCRIPTION: Changed package name to "tm". Updated version to
704            0.1 for first CRAN release.
705    
706            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
707            list archive example.
708    
709            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
710            archive example.
711    
712            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
713            from (several mails per box) mbox format to (single mail per file)
714            eml format.
715    
716    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
717    
718            * data/crude.rda: Rebuilt.
719    
720            * data/acq.rda: Rebuilt.
721    
722            * R/reader.R: Factored out reader and parser methods from
723            textdoccol.R.
724    
725            * R/source.R: Factored out Source methods from aobjects.R and
726            textdoccol.R.
727            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
728            feeds.
729    
730            * R/textdoccol.R (DirSource): Added support for recursive
731            traversal of directories.
732    
733    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
734    
735            * R/textdoccol.R ([[): Loads the document corpus automatically
736            into memory upon access.
737            (tm_transform, tm_filter): Removed several checks whether the
738            document is already loaded ([[ ensures this now).
739            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
740            mailing list archive.
741    
742    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
743    
744            * R/aobjects.R (TextDocument): Is now a virtual class.
745            (Source): Is now a virtual class.
746    
747    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
748    
749            * R/textdoccol.R (c): Support for an arbitrary number of document
750            collections.
751    
752    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
753    
754            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
755            append_meta and remove_meta.
756    
757            * R/textdoccol.R: Removed modify_metadata method.
758    
759            * R/textrepo.R: Removed modify_metadata method.
760    
761            * R/textdoccol.R (remove_meta): Supports removal of document
762            collection metadata and document (= in data frame) metadata.
763    
764    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
765    
766            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
767    
768            * data/crude.rda: Rebuilt.
769    
770            * data/acq.rda: Rebuilt.
771    
772            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
773    
774            * R/textdoccol.R ([): Bug fix for subsetting a document
775            collection's data frame.
776    
777    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
778    
779            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
780            to s_filter.
781    
782            * R/textdoccol.R: Local text documents' metadata can now be copied
783            to a document collection's data frame with prescind_meta.
784    
785    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
786    
787            * R/: Text documents' slot metadata is now accessible in s_filter.
788    
789            * R/: Rewrote s_filter function (has still some restrictions).
790    
791    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
792    
793            * R/: Various fixes in handling metadata.
794    
795            * R/: Added update mechanism for text document collections.
796    
797    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
798    
799            * R/: Merging of document collections now creates a binary tree
800            for reconstructing merged document collections.
801    
802            * R/: Redesign of metadata for document collections.
803    
804    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
805    
806            * R/: Messages now use \code{ngettext}.
807    
808    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
809    
810            * R/: Added functions for modifying and removing metadata.
811    
812    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
813    
814            * man/: Updated some documentation.
815    
816            * R/: Corrected some connection issues.
817    
818            * inst/doc: Worked on the vignette.
819    
820    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
821    
822            * inst/: Added texts and started vignette.
823    
824            * R/: Final changes based upon David's comments.
825    
826    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828            * NAMESPACE: Corrected exports (generic methods need exportMethods
829            directives!).
830    
831    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
832    
833            * R/: Modified the TextDocCol constructur and various parsers. It
834            is now modular and supports various file formats via plugins (see
835            the new "Source" class).
836    
837    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
838    
839            * man/: Revised documentation after previous code changes.
840    
841    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
842    
843            * R/: Remaining changes as discussed with David.
844    
845    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
846    
847            * R/: Some changes as suggested by David. The rest will follow
848            within the next days.
849    
850  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
851    
852          * man/: Finished documentation.          * man/: Finished documentation.

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