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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 1034, Tue Jan 12 16:47:41 2010 UTC
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1    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/doc.R (`Content<-`): Be careful with names attribute.
4    
5    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
6    
7            * R/source.R (DirSource): Improved implementation especially when
8            handling many (>1M) files.
9    
10    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/source.R (getElem.URISource): Use encoding argument.
13    
14    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
15    
16            * R/doc.R (setOldClass): Register S3 document classes to be
17            recognized by S4 methods.
18    
19    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/matrix.R (termFreq): Add option to remove punctuation
22            characters.
23    
24    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
27            merging multiple term-document matrices.
28    
29    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
30    
31            * R/corpus.R (setOldClass): Register S3 corpus classes to be
32            recognized by S4 methods.
33    
34            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
35            that CRAN Mac OS X builds do not fail any longer.
36    
37    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
38    
39            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
40            of RWeka:AlphabeticTokenizer() as default.
41    
42    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
43    
44            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
45            caused words at the beginning or the end of a line not to be removed. Do
46            not delete whitespace anymore.
47    
48    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/source.R (DirSource): Default to working directory if no path
51            is specified.
52    
53    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/source.R (DirSource): Stop on empty directories.
56    
57    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
58    
59            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
60            named documents.
61    
62    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
63    
64            * R/transform.R (removeWords): Improve regular expressions.
65    
66    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
67    
68            * R/meta.R (DublinCore): Allow lower case tags.
69    
70    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
71    
72            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
73            instead of x$children.
74    
75    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
76    
77            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
78    
79    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
80    
81            * R/: Use S3 instead of S4 class system.
82    
83    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/reader.R (readMail): Moved to tm.plugin.mail package.
86    
87    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
90            postings are basically e-mails with some extra headers.
91    
92    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/transform.R: Move convertMboxEml, removeCitation,
95            removeMultipart, and removeSignature to the tm.plugin.mail package
96            since they are mainly utility functions (for handling e-mails) and
97            not very framework specific.
98    
99    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
100    
101            * man/: Fix documentation.
102    
103    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
104    
105            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
106            plain text document instead of an XML document for texts of the
107            Reuters-21578 dataset.
108    
109            * R/sparse.R: Removed since the slam package is now available on
110            CRAN.
111    
112            * DESCRIPTION (Depends): Add slam package.
113    
114    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
115    
116            * R/transform.R (stemDoc): Fix character(0) handling.
117    
118    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
119    
120            * R/doc.R (show): Pretty print.
121    
122    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
125            gracefully.
126    
127    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
128    
129            * R/corpus.R: Make corpus virtual. Implement corpus with standard
130            and permanent storage semantics.
131    
132            * DESCRIPTION: New major release. A *lot* of improvements.
133    
134    2009-05-04   Ingo Feinerer <feinerer@logic.at>
135    
136            * NAMESPACE: Export some simple_triplet_matrix functions.
137    
138    2009-04-28   Ingo Feinerer <feinerer@logic.at>
139    
140            * R/weight.R: Adapt tf-idf to new matrix format.
141    
142    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/matrix.R: Create two distinct classes for term-document and
145            document-term matrices.
146    
147    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/termdocmatrix.R: No longer use Matrix package. This reduces
150            package start-up time significantly.
151    
152    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
153    
154            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
155    
156    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/transform.R (tmReduce): Combine multiple maps into one
159            transformation.
160    
161    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/weight.R: Remove weightLogical since it does not return a
164            dgCMatrix.
165    
166            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
167            or TermDocumentMatrix instead.
168    
169    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
170    
171            * inst/doc/extensions.Rnw: Finished vignette.
172    
173    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
174    
175            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
176            DocumentTermMatrix representations.
177    
178    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
179    
180            * R/reader.R (readXML): New reader for arbitrary XML files.
181    
182    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
183    
184            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
185            (XMLSource): New XMLSource class for arbitrary XML files.
186            (Source): New slot Vectorized.
187    
188    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
189    
190            * R/reader.R (readTabular): Experimental reader for tabular data
191            structures which can be customized via user-defined mappings.
192    
193            * R/reader.R: Always use UTC time zone.
194    
195            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
196    
197    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
198    
199            * R/reader.R (readDOC): Options can be passed over to antiword.
200    
201            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
202            pdftotext.
203    
204    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
205    
206            * R/source.R (DirSource): Add pattern and ignore.case arguments
207            which are internally passed over to list.files().
208    
209    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
210    
211            * inst/doc/tm.Rnw: Suppress pointless loading message.
212    
213    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
214    
215            * DESCRIPTION: Speed up package loading (via moving packages not
216            strictly necessary for normal operation to Suggests instead of
217            Depends).
218    
219    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
220    
221            * R/reader.R (readNewsgroup): The date format is now configurable.
222    
223    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
224    
225            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
226    
227    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
228    
229            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
230    
231    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
232    
233            * R/source.R (DataframeSource): New source class for data frames.
234    
235            * R/source.R: Fixed non-standard call evaluation.
236    
237    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
238    
239            * R/source.R (URISource): New source class for a single document.
240    
241    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
242    
243            * R/source.R: Refactoring.
244    
245    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
246    
247            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
248            Rmpi installations more gracefully.
249    
250    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
251    
252            * R/source.R (Source): Add Length slot.
253    
254    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
255    
256            * R/AAA.R: Unify duplicated .onLoad function.
257    
258    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
259    
260            * DESCRIPTION (Suggests): Added Rmpi.
261    
262    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
263    
264            * R/source.R (getElem): Fix 'no visible binding' warning.
265    
266            * man/WeightFunction.Rd: Fix signature.
267    
268    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
269    
270            * R/weight.R: Introduce name abbreviations for weighting functions.
271    
272    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
273    
274            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
275    
276            * R/cluster.R: Provide convenience functions for using a MPI
277            cluster.
278    
279            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
280            available.
281    
282            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
283            available.
284    
285    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
286    
287            * R/textdoccol.R (lapply): Removed debug print out.
288    
289    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
290    
291            * R/reader.R (readRCV1): Improved meta data extraction from
292            Reuters Corpus Volume 1 documents.
293    
294    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * R/transform.R: Ensure that all mappings preserve multiline
297            structures.
298    
299    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/filter.R: Every filter has now an attribute indicating whether
302            it sould be applied to document level (doclevel).
303    
304            * R/textdoccol.R (tmFilter): Set searchFullText as new default
305            filter.
306    
307    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
308    
309            * R/transform.R (replacePatterns): Replaced removeWords by
310            replacePatterns. Suggested by Christian Buchta.
311    
312            * R/textdoccol.R (inspect): Improved formatting.
313    
314    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
315    
316            * inst/CITATION: Updated JSS article information.
317    
318            * R/textdoccol.R (setAs): Added coerce method from list to
319            corpus.
320    
321            * R/meta.R (meta): Improved meta data handling.
322    
323    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
324    
325            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
326            Christian Buchta.
327    
328            * inst/CITATION: Added template to include JSS article reference.
329    
330    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
331    
332            * R/textdoccol.R (tmMap): Introduced lazy mapping.
333    
334            * R/source.R: Added VectorSource.
335    
336    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
337    
338            * man/: Language codes should be in ISO 639-1 format.
339    
340            * R/textdoccol.R (asPlain): Preserve local meta data.
341    
342    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
343    
344            * R/textdoccol.R (writeCorpus): Function for writing a corpus
345            containing plain text documents to disk.
346    
347    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
348    
349            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
350            always set correctly.
351    
352            * R/textdoccol.R: Set load = TRUE as default for load on demand
353            since in most cases this is the wanted behaviour.
354    
355    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
358    
359            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
360    
361    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363            * R/meta.R (meta): New function for consistent access to meta data
364            of document collections, repositories, and texts.
365    
366    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
367    
368            * R/: Better support for encodings.
369    
370    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
371    
372            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
373            selection when no reader argument is given.
374    
375    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
376    
377            * R/source.R (CSVSource): Now uses read.csv instead of scan
378            internally.
379    
380    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
381    
382            * R/reader.R (getReaders): Returns available reader functions.
383    
384            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
385            as default.
386    
387    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
388    
389            * R/stopwords.R (stopwords): Shortened code, removed codetools
390            variable warnings.
391    
392            * man/: Documentation for showMeta, added an example for tmMap.
393    
394            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
395            some minor typos fixed.
396    
397    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
398    
399            * R/aobjects.R (showMeta): Added method for pretty printing a
400            text document's meta data.
401    
402    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
403    
404            * R/textdoccol.R (TextDocCol): Better handling of empty
405            arguments.
406    
407            * NAMESPACE: Exported readDOC.
408    
409            * man/completeStems.Rd: Added an example.
410    
411    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * R/stopwords.R (stopwords): Look up .dat files at every
414            call. Allows users to modify stopword .dat files interactively.
415    
416    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/termdocmatrix.R (termFreq): Correct processing of empty
419            documents.
420    
421    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
422    
423            * man/: Updated documentation.
424    
425    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
426    
427            * R/complete.R (completeStems): Completes (heuristically) word
428            stems.
429    
430            * R/termdocmatrix.R (TermDocMatrix2): New modular
431            constructor.
432    
433            * NAMESPACE: Exported termFreq.
434    
435    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
436    
437            * R/reader.R (readDOC): Added MS Word reader (using antiword).
438    
439    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
440    
441            * R/weight.R: Weighting functions for TermDocMatrix.
442    
443    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
444    
445            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
446            functions for accessing dimension, column, and row names.
447    
448            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
449    
450    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
451    
452            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
453    
454    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
457    
458    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
459    
460            * R/reader.R (readPDF): Removed manual checks for pdftotext and
461            pdfinfo. The system call gives a warning anyway.
462    
463    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
464    
465            * R/textdoccol.R (asPlain): Conversion from
466            StructuredTextDocuments to PlainTextDocuments.
467    
468    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
469    
470            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
471            for accessing term-document matrices.
472    
473            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
474            are installed.
475    
476    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
477    
478            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
479            Christian Buchta.
480    
481    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
484    
485    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
486    
487            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
488    
489            * R/reader.R (readPDF): Added PDF reader.
490    
491    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
492    
493            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
494    
495            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
496    
497            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
498    
499            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
500    
501    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
502    
503            * R/distmeasure.R (dissimilarity): Replaced dists call from
504            package cba by new dist call from package proxy.
505    
506    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
507    
508            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
509    
510    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
511    
512            * R/termdocmatrix.R: require() uses the quietly option to suppress
513            loading messages.
514    
515    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
516    
517            * R/dictionary.R: Added dictionary support.
518    
519    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
520    
521            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
522            documents. This simplifies some functions, e.g., asPlain.
523    
524    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
525    
526            * inst/doc/tm.Rnw: Fixed some typos in vignette.
527    
528    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
529    
530            * R/textdoccol.R (replaceWords): Added method to replace a set of
531            words by a single word. Useful for synonyms.
532    
533    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
534    
535            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
536    
537    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
538    
539            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
540            vectors. Thanks to Ariel Maguyon for his error report.
541            (removeSparseTerms): New function to remove columns from a
542            term-document matrix exceeding a sparse factor.
543    
544    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
545    
546            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
547    
548    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
549    
550            * man/sFilter.Rd: Corrected documentation on statement format (use
551            '==' instead of '=').
552    
553    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
554    
555            * R/aobjects.R (StructuredTextDocument): Inherits from
556            TextDocument.
557    
558    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
559    
560            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
561            on sparse matrices as proposed by Martin Maechler.
562    
563    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
564    
565            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
566            \pkg{filehash} version makes them deprecated.
567    
568    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
569    
570            * R/termdocmatrix.R (textvector): Stemming is now performed before
571            erasing stopwords.
572            (weightMatrix): Adapted to handle sparse matrices.
573            (TermDocMatrix): Sparse matrix is now efficiently built by
574            direct stepwise insertion of row values into it.
575    
576    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
577    
578            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
579            due to ongoing problems. For our purposes the latter is as useful
580            as the replaced package.
581    
582    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
583    
584            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
585    
586            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
587    
588    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
591            languages with available stopwords.
592    
593    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
594    
595            * inst/doc/tm.Rnw: Minor corrections in the vignette.
596    
597    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
598    
599            * DESCRIPTION: Update to version 0.2, since a lot of new features
600            have been integrated.
601    
602            * inst/stopwords: Updated existing stopwords and added stopwords
603            for various other languages.
604    
605    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * man/: Updated documentation.
608    
609            * Work/testDb.R: Script to test database stuff.
610    
611            * R/: Fixed various database related bugs. Seems to be rather
612            useable now, i.e., consider as alpha status for now.
613    
614    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
615    
616            * R/: Fixed some bugs related to database support.
617    
618    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
619    
620            * man/: Added a lot of examples to the manuals.
621    
622    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
623    
624            * man/: Updated parts of the documentation.
625    
626            * R/textdoccol.R (asPlain): Added conversion from newsgroup
627            documents to plain text documents.
628    
629    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
630    
631            * R/textdoccol.R: Finished experimental database support. Not yet
632            intensively tested.
633    
634            * R/source.R: Now each source has a default reader.
635    
636            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
637            class anymore.
638    
639            * R/plaintextdoc.R: Custom show method for plain text documents.
640    
641            * R/aobjects.R: Added a class for structured text documents.
642    
643            * R/reader.R: Replaced remaining \code{parser} occurrences with
644            \code{reader}.
645    
646            * R/textdoccol.R (summary): Indent tags.
647    
648            * R/textdoccol.R (removePunctuation): Transform method to remove
649            punctuation marks.
650    
651    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
652    
653            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
654            using prescindMeta().
655    
656    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
657    
658            * R/textdoccol.R: Improved database support.
659    
660    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
661    
662            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
663    
664            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
665            language code.
666    
667            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
668            into parserControl argument.
669    
670            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
671    
672    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
673    
674            * Work/tmDataSetup.R: The datasets acq and crude can now be
675            created on the fly.
676    
677            * R/stopwords.R: Introduced a function returning the stopwords for
678            a given language (English, German and French at the moment)
679    
680            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
681            otherwise falls back to Snowball package.
682    
683    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
684    
685            * man/dissimilarity-methods.Rd: Make clear that any method offered
686            by "dists" from package "cba" can be used.
687    
688    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
689    
690            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
691            to Kurt's latex suggestion. Removed points and underscores in
692            variable names for consistent naming.
693    
694            * DESCRIPTION: Update to version 0.1-2.
695    
696            * man/TextRepository.Rd: Fixed bug in documentation.
697    
698    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
699    
700            * DESCRIPTION: Update to version 0.1-1.
701    
702    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
703    
704            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
705            wordStem.
706    
707    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
708    
709            * R/: Changes due to Kurt's review.
710    
711    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
712    
713            * R/: Implemented improvements based upon comments by David
714            Meyer.
715    
716    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
717    
718            * inst/doc/: Rewrote vignette.
719    
720            * man/: Improved documentation.
721    
722    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
723    
724            * man/: Updated documentation.
725    
726            * DESCRIPTION: Changed package name to "tm". Updated version to
727            0.1 for first CRAN release.
728    
729            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
730            list archive example.
731    
732            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
733            archive example.
734    
735            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
736            from (several mails per box) mbox format to (single mail per file)
737            eml format.
738    
739    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
740    
741            * data/crude.rda: Rebuilt.
742    
743            * data/acq.rda: Rebuilt.
744    
745            * R/reader.R: Factored out reader and parser methods from
746            textdoccol.R.
747    
748            * R/source.R: Factored out Source methods from aobjects.R and
749            textdoccol.R.
750            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
751            feeds.
752    
753            * R/textdoccol.R (DirSource): Added support for recursive
754            traversal of directories.
755    
756    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758            * R/textdoccol.R ([[): Loads the document corpus automatically
759            into memory upon access.
760            (tm_transform, tm_filter): Removed several checks whether the
761            document is already loaded ([[ ensures this now).
762            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
763            mailing list archive.
764    
765    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
766    
767            * R/aobjects.R (TextDocument): Is now a virtual class.
768            (Source): Is now a virtual class.
769    
770    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
771    
772            * R/textdoccol.R (c): Support for an arbitrary number of document
773            collections.
774    
775    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
776    
777            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
778            append_meta and remove_meta.
779    
780            * R/textdoccol.R: Removed modify_metadata method.
781    
782            * R/textrepo.R: Removed modify_metadata method.
783    
784            * R/textdoccol.R (remove_meta): Supports removal of document
785            collection metadata and document (= in data frame) metadata.
786    
787    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
788    
789            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
790    
791            * data/crude.rda: Rebuilt.
792    
793            * data/acq.rda: Rebuilt.
794    
795            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
796    
797            * R/textdoccol.R ([): Bug fix for subsetting a document
798            collection's data frame.
799    
800    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
801    
802            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
803            to s_filter.
804    
805            * R/textdoccol.R: Local text documents' metadata can now be copied
806            to a document collection's data frame with prescind_meta.
807    
808    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
809    
810            * R/: Text documents' slot metadata is now accessible in s_filter.
811    
812            * R/: Rewrote s_filter function (has still some restrictions).
813    
814    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
815    
816            * R/: Various fixes in handling metadata.
817    
818            * R/: Added update mechanism for text document collections.
819    
820    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
821    
822            * R/: Merging of document collections now creates a binary tree
823            for reconstructing merged document collections.
824    
825            * R/: Redesign of metadata for document collections.
826    
827    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
828    
829            * R/: Messages now use \code{ngettext}.
830    
831    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
832    
833            * R/: Added functions for modifying and removing metadata.
834    
835    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
836    
837            * man/: Updated some documentation.
838    
839            * R/: Corrected some connection issues.
840    
841            * inst/doc: Worked on the vignette.
842    
843    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
844    
845            * inst/: Added texts and started vignette.
846    
847            * R/: Final changes based upon David's comments.
848    
849    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
850    
851            * NAMESPACE: Corrected exports (generic methods need exportMethods
852            directives!).
853    
854    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
855    
856            * R/: Modified the TextDocCol constructur and various parsers. It
857            is now modular and supports various file formats via plugins (see
858            the new "Source" class).
859    
860    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
861    
862            * man/: Revised documentation after previous code changes.
863    
864    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
865    
866            * R/: Remaining changes as discussed with David.
867    
868    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
869    
870            * R/: Some changes as suggested by David. The rest will follow
871            within the next days.
872    
873  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
874    
875          * man/: Finished documentation.          * man/: Finished documentation.

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