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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 1017, Thu Nov 12 16:18:54 2009 UTC
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1    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/source.R (DirSource): Default to working directory if no path
4            is specified.
5    
6    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/source.R (DirSource): Stop on empty directories.
9    
10    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
13            named documents.
14    
15    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/transform.R (removeWords): Improve regular expressions.
18    
19    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/meta.R (DublinCore): Allow lower case tags.
22    
23    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
24    
25            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
26            instead of x$children.
27    
28    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
31    
32    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
33    
34            * R/: Use S3 instead of S4 class system.
35    
36    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/reader.R (readMail): Moved to tm.plugin.mail package.
39    
40    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
43            postings are basically e-mails with some extra headers.
44    
45    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/transform.R: Move convertMboxEml, removeCitation,
48            removeMultipart, and removeSignature to the tm.plugin.mail package
49            since they are mainly utility functions (for handling e-mails) and
50            not very framework specific.
51    
52    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
53    
54            * man/: Fix documentation.
55    
56    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
59            plain text document instead of an XML document for texts of the
60            Reuters-21578 dataset.
61    
62            * R/sparse.R: Removed since the slam package is now available on
63            CRAN.
64    
65            * DESCRIPTION (Depends): Add slam package.
66    
67    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/transform.R (stemDoc): Fix character(0) handling.
70    
71    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/doc.R (show): Pretty print.
74    
75    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
76    
77            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
78            gracefully.
79    
80    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/corpus.R: Make corpus virtual. Implement corpus with standard
83            and permanent storage semantics.
84    
85            * DESCRIPTION: New major release. A *lot* of improvements.
86    
87    2009-05-04   Ingo Feinerer <feinerer@logic.at>
88    
89            * NAMESPACE: Export some simple_triplet_matrix functions.
90    
91    2009-04-28   Ingo Feinerer <feinerer@logic.at>
92    
93            * R/weight.R: Adapt tf-idf to new matrix format.
94    
95    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/matrix.R: Create two distinct classes for term-document and
98            document-term matrices.
99    
100    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
101    
102            * R/termdocmatrix.R: No longer use Matrix package. This reduces
103            package start-up time significantly.
104    
105    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
106    
107            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
108    
109    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
110    
111            * R/transform.R (tmReduce): Combine multiple maps into one
112            transformation.
113    
114    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
115    
116            * R/weight.R: Remove weightLogical since it does not return a
117            dgCMatrix.
118    
119            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
120            or TermDocumentMatrix instead.
121    
122    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
123    
124            * inst/doc/extensions.Rnw: Finished vignette.
125    
126    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
129            DocumentTermMatrix representations.
130    
131    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/reader.R (readXML): New reader for arbitrary XML files.
134    
135    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
138            (XMLSource): New XMLSource class for arbitrary XML files.
139            (Source): New slot Vectorized.
140    
141    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/reader.R (readTabular): Experimental reader for tabular data
144            structures which can be customized via user-defined mappings.
145    
146            * R/reader.R: Always use UTC time zone.
147    
148            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
149    
150    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/reader.R (readDOC): Options can be passed over to antiword.
153    
154            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
155            pdftotext.
156    
157    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
158    
159            * R/source.R (DirSource): Add pattern and ignore.case arguments
160            which are internally passed over to list.files().
161    
162    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
163    
164            * inst/doc/tm.Rnw: Suppress pointless loading message.
165    
166    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
167    
168            * DESCRIPTION: Speed up package loading (via moving packages not
169            strictly necessary for normal operation to Suggests instead of
170            Depends).
171    
172    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/reader.R (readNewsgroup): The date format is now configurable.
175    
176    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
177    
178            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
179    
180    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
181    
182            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
183    
184    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/source.R (DataframeSource): New source class for data frames.
187    
188            * R/source.R: Fixed non-standard call evaluation.
189    
190    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/source.R (URISource): New source class for a single document.
193    
194    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/source.R: Refactoring.
197    
198    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
199    
200            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
201            Rmpi installations more gracefully.
202    
203    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
204    
205            * R/source.R (Source): Add Length slot.
206    
207    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/AAA.R: Unify duplicated .onLoad function.
210    
211    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
212    
213            * DESCRIPTION (Suggests): Added Rmpi.
214    
215    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
216    
217            * R/source.R (getElem): Fix 'no visible binding' warning.
218    
219            * man/WeightFunction.Rd: Fix signature.
220    
221    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
222    
223            * R/weight.R: Introduce name abbreviations for weighting functions.
224    
225    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
226    
227            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
228    
229            * R/cluster.R: Provide convenience functions for using a MPI
230            cluster.
231    
232            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
233            available.
234    
235            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
236            available.
237    
238    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
239    
240            * R/textdoccol.R (lapply): Removed debug print out.
241    
242    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
243    
244            * R/reader.R (readRCV1): Improved meta data extraction from
245            Reuters Corpus Volume 1 documents.
246    
247    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * R/transform.R: Ensure that all mappings preserve multiline
250            structures.
251    
252    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
253    
254            * R/filter.R: Every filter has now an attribute indicating whether
255            it sould be applied to document level (doclevel).
256    
257            * R/textdoccol.R (tmFilter): Set searchFullText as new default
258            filter.
259    
260    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/transform.R (replacePatterns): Replaced removeWords by
263            replacePatterns. Suggested by Christian Buchta.
264    
265            * R/textdoccol.R (inspect): Improved formatting.
266    
267    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
268    
269            * inst/CITATION: Updated JSS article information.
270    
271            * R/textdoccol.R (setAs): Added coerce method from list to
272            corpus.
273    
274            * R/meta.R (meta): Improved meta data handling.
275    
276    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
279            Christian Buchta.
280    
281            * inst/CITATION: Added template to include JSS article reference.
282    
283    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/textdoccol.R (tmMap): Introduced lazy mapping.
286    
287            * R/source.R: Added VectorSource.
288    
289    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
290    
291            * man/: Language codes should be in ISO 639-1 format.
292    
293            * R/textdoccol.R (asPlain): Preserve local meta data.
294    
295    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/textdoccol.R (writeCorpus): Function for writing a corpus
298            containing plain text documents to disk.
299    
300    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
303            always set correctly.
304    
305            * R/textdoccol.R: Set load = TRUE as default for load on demand
306            since in most cases this is the wanted behaviour.
307    
308    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
309    
310            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
311    
312            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
313    
314    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
315    
316            * R/meta.R (meta): New function for consistent access to meta data
317            of document collections, repositories, and texts.
318    
319    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * R/: Better support for encodings.
322    
323    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
324    
325            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
326            selection when no reader argument is given.
327    
328    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
329    
330            * R/source.R (CSVSource): Now uses read.csv instead of scan
331            internally.
332    
333    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
334    
335            * R/reader.R (getReaders): Returns available reader functions.
336    
337            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
338            as default.
339    
340    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
341    
342            * R/stopwords.R (stopwords): Shortened code, removed codetools
343            variable warnings.
344    
345            * man/: Documentation for showMeta, added an example for tmMap.
346    
347            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
348            some minor typos fixed.
349    
350    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/aobjects.R (showMeta): Added method for pretty printing a
353            text document's meta data.
354    
355    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * R/textdoccol.R (TextDocCol): Better handling of empty
358            arguments.
359    
360            * NAMESPACE: Exported readDOC.
361    
362            * man/completeStems.Rd: Added an example.
363    
364    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * R/stopwords.R (stopwords): Look up .dat files at every
367            call. Allows users to modify stopword .dat files interactively.
368    
369    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
370    
371            * R/termdocmatrix.R (termFreq): Correct processing of empty
372            documents.
373    
374    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
375    
376            * man/: Updated documentation.
377    
378    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
379    
380            * R/complete.R (completeStems): Completes (heuristically) word
381            stems.
382    
383            * R/termdocmatrix.R (TermDocMatrix2): New modular
384            constructor.
385    
386            * NAMESPACE: Exported termFreq.
387    
388    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
389    
390            * R/reader.R (readDOC): Added MS Word reader (using antiword).
391    
392    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
393    
394            * R/weight.R: Weighting functions for TermDocMatrix.
395    
396    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
397    
398            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
399            functions for accessing dimension, column, and row names.
400    
401            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
402    
403    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
404    
405            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
406    
407    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
408    
409            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
410    
411    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * R/reader.R (readPDF): Removed manual checks for pdftotext and
414            pdfinfo. The system call gives a warning anyway.
415    
416    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/textdoccol.R (asPlain): Conversion from
419            StructuredTextDocuments to PlainTextDocuments.
420    
421    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
422    
423            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
424            for accessing term-document matrices.
425    
426            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
427            are installed.
428    
429    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
430    
431            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
432            Christian Buchta.
433    
434    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
435    
436            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
437    
438    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
439    
440            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
441    
442            * R/reader.R (readPDF): Added PDF reader.
443    
444    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
445    
446            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
447    
448            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
449    
450            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
451    
452            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
453    
454    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * R/distmeasure.R (dissimilarity): Replaced dists call from
457            package cba by new dist call from package proxy.
458    
459    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
460    
461            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
462    
463    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
464    
465            * R/termdocmatrix.R: require() uses the quietly option to suppress
466            loading messages.
467    
468    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
469    
470            * R/dictionary.R: Added dictionary support.
471    
472    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
473    
474            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
475            documents. This simplifies some functions, e.g., asPlain.
476    
477    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
478    
479            * inst/doc/tm.Rnw: Fixed some typos in vignette.
480    
481    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * R/textdoccol.R (replaceWords): Added method to replace a set of
484            words by a single word. Useful for synonyms.
485    
486    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
487    
488            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
489    
490    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
491    
492            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
493            vectors. Thanks to Ariel Maguyon for his error report.
494            (removeSparseTerms): New function to remove columns from a
495            term-document matrix exceeding a sparse factor.
496    
497    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
498    
499            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
500    
501    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
502    
503            * man/sFilter.Rd: Corrected documentation on statement format (use
504            '==' instead of '=').
505    
506    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
507    
508            * R/aobjects.R (StructuredTextDocument): Inherits from
509            TextDocument.
510    
511    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
512    
513            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
514            on sparse matrices as proposed by Martin Maechler.
515    
516    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
517    
518            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
519            \pkg{filehash} version makes them deprecated.
520    
521    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
522    
523            * R/termdocmatrix.R (textvector): Stemming is now performed before
524            erasing stopwords.
525            (weightMatrix): Adapted to handle sparse matrices.
526            (TermDocMatrix): Sparse matrix is now efficiently built by
527            direct stepwise insertion of row values into it.
528    
529    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
530    
531            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
532            due to ongoing problems. For our purposes the latter is as useful
533            as the replaced package.
534    
535    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
538    
539            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
540    
541    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
542    
543            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
544            languages with available stopwords.
545    
546    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
547    
548            * inst/doc/tm.Rnw: Minor corrections in the vignette.
549    
550    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
551    
552            * DESCRIPTION: Update to version 0.2, since a lot of new features
553            have been integrated.
554    
555            * inst/stopwords: Updated existing stopwords and added stopwords
556            for various other languages.
557    
558    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
559    
560            * man/: Updated documentation.
561    
562            * Work/testDb.R: Script to test database stuff.
563    
564            * R/: Fixed various database related bugs. Seems to be rather
565            useable now, i.e., consider as alpha status for now.
566    
567    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * R/: Fixed some bugs related to database support.
570    
571    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
572    
573            * man/: Added a lot of examples to the manuals.
574    
575    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
576    
577            * man/: Updated parts of the documentation.
578    
579            * R/textdoccol.R (asPlain): Added conversion from newsgroup
580            documents to plain text documents.
581    
582    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
583    
584            * R/textdoccol.R: Finished experimental database support. Not yet
585            intensively tested.
586    
587            * R/source.R: Now each source has a default reader.
588    
589            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
590            class anymore.
591    
592            * R/plaintextdoc.R: Custom show method for plain text documents.
593    
594            * R/aobjects.R: Added a class for structured text documents.
595    
596            * R/reader.R: Replaced remaining \code{parser} occurrences with
597            \code{reader}.
598    
599            * R/textdoccol.R (summary): Indent tags.
600    
601            * R/textdoccol.R (removePunctuation): Transform method to remove
602            punctuation marks.
603    
604    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
605    
606            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
607            using prescindMeta().
608    
609    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
610    
611            * R/textdoccol.R: Improved database support.
612    
613    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
614    
615            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
616    
617            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
618            language code.
619    
620            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
621            into parserControl argument.
622    
623            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
624    
625    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
626    
627            * Work/tmDataSetup.R: The datasets acq and crude can now be
628            created on the fly.
629    
630            * R/stopwords.R: Introduced a function returning the stopwords for
631            a given language (English, German and French at the moment)
632    
633            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
634            otherwise falls back to Snowball package.
635    
636    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
637    
638            * man/dissimilarity-methods.Rd: Make clear that any method offered
639            by "dists" from package "cba" can be used.
640    
641    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
642    
643            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
644            to Kurt's latex suggestion. Removed points and underscores in
645            variable names for consistent naming.
646    
647            * DESCRIPTION: Update to version 0.1-2.
648    
649            * man/TextRepository.Rd: Fixed bug in documentation.
650    
651    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
652    
653            * DESCRIPTION: Update to version 0.1-1.
654    
655    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
656    
657            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
658            wordStem.
659    
660    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
661    
662            * R/: Changes due to Kurt's review.
663    
664    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
665    
666            * R/: Implemented improvements based upon comments by David
667            Meyer.
668    
669    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
670    
671            * inst/doc/: Rewrote vignette.
672    
673            * man/: Improved documentation.
674    
675    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
676    
677            * man/: Updated documentation.
678    
679            * DESCRIPTION: Changed package name to "tm". Updated version to
680            0.1 for first CRAN release.
681    
682            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
683            list archive example.
684    
685            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
686            archive example.
687    
688            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
689            from (several mails per box) mbox format to (single mail per file)
690            eml format.
691    
692    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
693    
694            * data/crude.rda: Rebuilt.
695    
696            * data/acq.rda: Rebuilt.
697    
698            * R/reader.R: Factored out reader and parser methods from
699            textdoccol.R.
700    
701            * R/source.R: Factored out Source methods from aobjects.R and
702            textdoccol.R.
703            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
704            feeds.
705    
706            * R/textdoccol.R (DirSource): Added support for recursive
707            traversal of directories.
708    
709    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
710    
711            * R/textdoccol.R ([[): Loads the document corpus automatically
712            into memory upon access.
713            (tm_transform, tm_filter): Removed several checks whether the
714            document is already loaded ([[ ensures this now).
715            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
716            mailing list archive.
717    
718    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
719    
720            * R/aobjects.R (TextDocument): Is now a virtual class.
721            (Source): Is now a virtual class.
722    
723    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
724    
725            * R/textdoccol.R (c): Support for an arbitrary number of document
726            collections.
727    
728    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
729    
730            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
731            append_meta and remove_meta.
732    
733            * R/textdoccol.R: Removed modify_metadata method.
734    
735            * R/textrepo.R: Removed modify_metadata method.
736    
737            * R/textdoccol.R (remove_meta): Supports removal of document
738            collection metadata and document (= in data frame) metadata.
739    
740    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
741    
742            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
743    
744            * data/crude.rda: Rebuilt.
745    
746            * data/acq.rda: Rebuilt.
747    
748            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
749    
750            * R/textdoccol.R ([): Bug fix for subsetting a document
751            collection's data frame.
752    
753    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
754    
755            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
756            to s_filter.
757    
758            * R/textdoccol.R: Local text documents' metadata can now be copied
759            to a document collection's data frame with prescind_meta.
760    
761    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
762    
763            * R/: Text documents' slot metadata is now accessible in s_filter.
764    
765            * R/: Rewrote s_filter function (has still some restrictions).
766    
767    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
768    
769            * R/: Various fixes in handling metadata.
770    
771            * R/: Added update mechanism for text document collections.
772    
773    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
774    
775            * R/: Merging of document collections now creates a binary tree
776            for reconstructing merged document collections.
777    
778            * R/: Redesign of metadata for document collections.
779    
780    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
781    
782            * R/: Messages now use \code{ngettext}.
783    
784    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
785    
786            * R/: Added functions for modifying and removing metadata.
787    
788    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
789    
790            * man/: Updated some documentation.
791    
792            * R/: Corrected some connection issues.
793    
794            * inst/doc: Worked on the vignette.
795    
796    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
797    
798            * inst/: Added texts and started vignette.
799    
800            * R/: Final changes based upon David's comments.
801    
802    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
803    
804            * NAMESPACE: Corrected exports (generic methods need exportMethods
805            directives!).
806    
807    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
808    
809            * R/: Modified the TextDocCol constructur and various parsers. It
810            is now modular and supports various file formats via plugins (see
811            the new "Source" class).
812    
813    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
814    
815            * man/: Revised documentation after previous code changes.
816    
817    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
818    
819            * R/: Remaining changes as discussed with David.
820    
821    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
822    
823            * R/: Some changes as suggested by David. The rest will follow
824            within the next days.
825    
826  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828          * man/: Finished documentation.          * man/: Finished documentation.

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