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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 1029, Tue Dec 22 13:40:25 2009 UTC
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1    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/source.R (getElem.URISource): Use encoding argument.
4    
5    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/doc.R (setOldClass): Register S3 document classes to be
8            recognized by S4 methods.
9    
10    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/matrix.R (termFreq): Add option to remove punctuation
13            characters.
14    
15    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
18            merging multiple term-document matrices.
19    
20    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
21    
22            * R/corpus.R (setOldClass): Register S3 corpus classes to be
23            recognized by S4 methods.
24    
25            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
26            that CRAN Mac OS X builds do not fail any longer.
27    
28    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
31            of RWeka:AlphabeticTokenizer() as default.
32    
33    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
34    
35            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
36            caused words at the beginning or the end of a line not to be removed. Do
37            not delete whitespace anymore.
38    
39    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/source.R (DirSource): Default to working directory if no path
42            is specified.
43    
44    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/source.R (DirSource): Stop on empty directories.
47    
48    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
51            named documents.
52    
53    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/transform.R (removeWords): Improve regular expressions.
56    
57    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
58    
59            * R/meta.R (DublinCore): Allow lower case tags.
60    
61    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
64            instead of x$children.
65    
66    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
67    
68            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
69    
70    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
71    
72            * R/: Use S3 instead of S4 class system.
73    
74    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/reader.R (readMail): Moved to tm.plugin.mail package.
77    
78    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
81            postings are basically e-mails with some extra headers.
82    
83    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/transform.R: Move convertMboxEml, removeCitation,
86            removeMultipart, and removeSignature to the tm.plugin.mail package
87            since they are mainly utility functions (for handling e-mails) and
88            not very framework specific.
89    
90    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
91    
92            * man/: Fix documentation.
93    
94    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
95    
96            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
97            plain text document instead of an XML document for texts of the
98            Reuters-21578 dataset.
99    
100            * R/sparse.R: Removed since the slam package is now available on
101            CRAN.
102    
103            * DESCRIPTION (Depends): Add slam package.
104    
105    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
106    
107            * R/transform.R (stemDoc): Fix character(0) handling.
108    
109    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
110    
111            * R/doc.R (show): Pretty print.
112    
113    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
114    
115            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
116            gracefully.
117    
118    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
119    
120            * R/corpus.R: Make corpus virtual. Implement corpus with standard
121            and permanent storage semantics.
122    
123            * DESCRIPTION: New major release. A *lot* of improvements.
124    
125    2009-05-04   Ingo Feinerer <feinerer@logic.at>
126    
127            * NAMESPACE: Export some simple_triplet_matrix functions.
128    
129    2009-04-28   Ingo Feinerer <feinerer@logic.at>
130    
131            * R/weight.R: Adapt tf-idf to new matrix format.
132    
133    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/matrix.R: Create two distinct classes for term-document and
136            document-term matrices.
137    
138    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
139    
140            * R/termdocmatrix.R: No longer use Matrix package. This reduces
141            package start-up time significantly.
142    
143    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
144    
145            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
146    
147    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/transform.R (tmReduce): Combine multiple maps into one
150            transformation.
151    
152    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/weight.R: Remove weightLogical since it does not return a
155            dgCMatrix.
156    
157            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
158            or TermDocumentMatrix instead.
159    
160    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
161    
162            * inst/doc/extensions.Rnw: Finished vignette.
163    
164    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
167            DocumentTermMatrix representations.
168    
169    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/reader.R (readXML): New reader for arbitrary XML files.
172    
173    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
174    
175            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
176            (XMLSource): New XMLSource class for arbitrary XML files.
177            (Source): New slot Vectorized.
178    
179    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
180    
181            * R/reader.R (readTabular): Experimental reader for tabular data
182            structures which can be customized via user-defined mappings.
183    
184            * R/reader.R: Always use UTC time zone.
185    
186            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
187    
188    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
189    
190            * R/reader.R (readDOC): Options can be passed over to antiword.
191    
192            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
193            pdftotext.
194    
195    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
196    
197            * R/source.R (DirSource): Add pattern and ignore.case arguments
198            which are internally passed over to list.files().
199    
200    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
201    
202            * inst/doc/tm.Rnw: Suppress pointless loading message.
203    
204    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
205    
206            * DESCRIPTION: Speed up package loading (via moving packages not
207            strictly necessary for normal operation to Suggests instead of
208            Depends).
209    
210    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
211    
212            * R/reader.R (readNewsgroup): The date format is now configurable.
213    
214    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
217    
218    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
219    
220            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
221    
222    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
223    
224            * R/source.R (DataframeSource): New source class for data frames.
225    
226            * R/source.R: Fixed non-standard call evaluation.
227    
228    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
229    
230            * R/source.R (URISource): New source class for a single document.
231    
232    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
233    
234            * R/source.R: Refactoring.
235    
236    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
237    
238            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
239            Rmpi installations more gracefully.
240    
241    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
242    
243            * R/source.R (Source): Add Length slot.
244    
245    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
246    
247            * R/AAA.R: Unify duplicated .onLoad function.
248    
249    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
250    
251            * DESCRIPTION (Suggests): Added Rmpi.
252    
253    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
254    
255            * R/source.R (getElem): Fix 'no visible binding' warning.
256    
257            * man/WeightFunction.Rd: Fix signature.
258    
259    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
260    
261            * R/weight.R: Introduce name abbreviations for weighting functions.
262    
263    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
264    
265            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
266    
267            * R/cluster.R: Provide convenience functions for using a MPI
268            cluster.
269    
270            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
271            available.
272    
273            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
274            available.
275    
276    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
277    
278            * R/textdoccol.R (lapply): Removed debug print out.
279    
280    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
281    
282            * R/reader.R (readRCV1): Improved meta data extraction from
283            Reuters Corpus Volume 1 documents.
284    
285    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
286    
287            * R/transform.R: Ensure that all mappings preserve multiline
288            structures.
289    
290    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
291    
292            * R/filter.R: Every filter has now an attribute indicating whether
293            it sould be applied to document level (doclevel).
294    
295            * R/textdoccol.R (tmFilter): Set searchFullText as new default
296            filter.
297    
298    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
299    
300            * R/transform.R (replacePatterns): Replaced removeWords by
301            replacePatterns. Suggested by Christian Buchta.
302    
303            * R/textdoccol.R (inspect): Improved formatting.
304    
305    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
306    
307            * inst/CITATION: Updated JSS article information.
308    
309            * R/textdoccol.R (setAs): Added coerce method from list to
310            corpus.
311    
312            * R/meta.R (meta): Improved meta data handling.
313    
314    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
315    
316            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
317            Christian Buchta.
318    
319            * inst/CITATION: Added template to include JSS article reference.
320    
321    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
322    
323            * R/textdoccol.R (tmMap): Introduced lazy mapping.
324    
325            * R/source.R: Added VectorSource.
326    
327    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
328    
329            * man/: Language codes should be in ISO 639-1 format.
330    
331            * R/textdoccol.R (asPlain): Preserve local meta data.
332    
333    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
334    
335            * R/textdoccol.R (writeCorpus): Function for writing a corpus
336            containing plain text documents to disk.
337    
338    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
341            always set correctly.
342    
343            * R/textdoccol.R: Set load = TRUE as default for load on demand
344            since in most cases this is the wanted behaviour.
345    
346    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
349    
350            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
351    
352    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/meta.R (meta): New function for consistent access to meta data
355            of document collections, repositories, and texts.
356    
357    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
358    
359            * R/: Better support for encodings.
360    
361    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
364            selection when no reader argument is given.
365    
366    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
367    
368            * R/source.R (CSVSource): Now uses read.csv instead of scan
369            internally.
370    
371    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
372    
373            * R/reader.R (getReaders): Returns available reader functions.
374    
375            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
376            as default.
377    
378    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
379    
380            * R/stopwords.R (stopwords): Shortened code, removed codetools
381            variable warnings.
382    
383            * man/: Documentation for showMeta, added an example for tmMap.
384    
385            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
386            some minor typos fixed.
387    
388    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
389    
390            * R/aobjects.R (showMeta): Added method for pretty printing a
391            text document's meta data.
392    
393    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * R/textdoccol.R (TextDocCol): Better handling of empty
396            arguments.
397    
398            * NAMESPACE: Exported readDOC.
399    
400            * man/completeStems.Rd: Added an example.
401    
402    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
403    
404            * R/stopwords.R (stopwords): Look up .dat files at every
405            call. Allows users to modify stopword .dat files interactively.
406    
407    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
408    
409            * R/termdocmatrix.R (termFreq): Correct processing of empty
410            documents.
411    
412    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
413    
414            * man/: Updated documentation.
415    
416    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/complete.R (completeStems): Completes (heuristically) word
419            stems.
420    
421            * R/termdocmatrix.R (TermDocMatrix2): New modular
422            constructor.
423    
424            * NAMESPACE: Exported termFreq.
425    
426    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
427    
428            * R/reader.R (readDOC): Added MS Word reader (using antiword).
429    
430    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
431    
432            * R/weight.R: Weighting functions for TermDocMatrix.
433    
434    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
435    
436            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
437            functions for accessing dimension, column, and row names.
438    
439            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
440    
441    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
442    
443            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
444    
445    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
446    
447            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
448    
449    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
450    
451            * R/reader.R (readPDF): Removed manual checks for pdftotext and
452            pdfinfo. The system call gives a warning anyway.
453    
454    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * R/textdoccol.R (asPlain): Conversion from
457            StructuredTextDocuments to PlainTextDocuments.
458    
459    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
460    
461            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
462            for accessing term-document matrices.
463    
464            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
465            are installed.
466    
467    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
468    
469            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
470            Christian Buchta.
471    
472    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
473    
474            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
475    
476    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
477    
478            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
479    
480            * R/reader.R (readPDF): Added PDF reader.
481    
482    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
483    
484            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
485    
486            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
487    
488            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
489    
490            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
491    
492    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
493    
494            * R/distmeasure.R (dissimilarity): Replaced dists call from
495            package cba by new dist call from package proxy.
496    
497    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
498    
499            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
500    
501    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
502    
503            * R/termdocmatrix.R: require() uses the quietly option to suppress
504            loading messages.
505    
506    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
507    
508            * R/dictionary.R: Added dictionary support.
509    
510    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
511    
512            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
513            documents. This simplifies some functions, e.g., asPlain.
514    
515    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
516    
517            * inst/doc/tm.Rnw: Fixed some typos in vignette.
518    
519    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
520    
521            * R/textdoccol.R (replaceWords): Added method to replace a set of
522            words by a single word. Useful for synonyms.
523    
524    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
525    
526            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
527    
528    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
529    
530            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
531            vectors. Thanks to Ariel Maguyon for his error report.
532            (removeSparseTerms): New function to remove columns from a
533            term-document matrix exceeding a sparse factor.
534    
535    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
538    
539    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
540    
541            * man/sFilter.Rd: Corrected documentation on statement format (use
542            '==' instead of '=').
543    
544    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
545    
546            * R/aobjects.R (StructuredTextDocument): Inherits from
547            TextDocument.
548    
549    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
550    
551            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
552            on sparse matrices as proposed by Martin Maechler.
553    
554    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
555    
556            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
557            \pkg{filehash} version makes them deprecated.
558    
559    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
560    
561            * R/termdocmatrix.R (textvector): Stemming is now performed before
562            erasing stopwords.
563            (weightMatrix): Adapted to handle sparse matrices.
564            (TermDocMatrix): Sparse matrix is now efficiently built by
565            direct stepwise insertion of row values into it.
566    
567    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
570            due to ongoing problems. For our purposes the latter is as useful
571            as the replaced package.
572    
573    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
574    
575            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
576    
577            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
578    
579    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
580    
581            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
582            languages with available stopwords.
583    
584    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
585    
586            * inst/doc/tm.Rnw: Minor corrections in the vignette.
587    
588    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * DESCRIPTION: Update to version 0.2, since a lot of new features
591            have been integrated.
592    
593            * inst/stopwords: Updated existing stopwords and added stopwords
594            for various other languages.
595    
596    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
597    
598            * man/: Updated documentation.
599    
600            * Work/testDb.R: Script to test database stuff.
601    
602            * R/: Fixed various database related bugs. Seems to be rather
603            useable now, i.e., consider as alpha status for now.
604    
605    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607            * R/: Fixed some bugs related to database support.
608    
609    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
610    
611            * man/: Added a lot of examples to the manuals.
612    
613    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
614    
615            * man/: Updated parts of the documentation.
616    
617            * R/textdoccol.R (asPlain): Added conversion from newsgroup
618            documents to plain text documents.
619    
620    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/textdoccol.R: Finished experimental database support. Not yet
623            intensively tested.
624    
625            * R/source.R: Now each source has a default reader.
626    
627            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
628            class anymore.
629    
630            * R/plaintextdoc.R: Custom show method for plain text documents.
631    
632            * R/aobjects.R: Added a class for structured text documents.
633    
634            * R/reader.R: Replaced remaining \code{parser} occurrences with
635            \code{reader}.
636    
637            * R/textdoccol.R (summary): Indent tags.
638    
639            * R/textdoccol.R (removePunctuation): Transform method to remove
640            punctuation marks.
641    
642    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
643    
644            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
645            using prescindMeta().
646    
647    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
648    
649            * R/textdoccol.R: Improved database support.
650    
651    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
652    
653            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
654    
655            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
656            language code.
657    
658            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
659            into parserControl argument.
660    
661            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
662    
663    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
664    
665            * Work/tmDataSetup.R: The datasets acq and crude can now be
666            created on the fly.
667    
668            * R/stopwords.R: Introduced a function returning the stopwords for
669            a given language (English, German and French at the moment)
670    
671            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
672            otherwise falls back to Snowball package.
673    
674    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
675    
676            * man/dissimilarity-methods.Rd: Make clear that any method offered
677            by "dists" from package "cba" can be used.
678    
679    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
680    
681            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
682            to Kurt's latex suggestion. Removed points and underscores in
683            variable names for consistent naming.
684    
685            * DESCRIPTION: Update to version 0.1-2.
686    
687            * man/TextRepository.Rd: Fixed bug in documentation.
688    
689    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
690    
691            * DESCRIPTION: Update to version 0.1-1.
692    
693    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
694    
695            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
696            wordStem.
697    
698    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
699    
700            * R/: Changes due to Kurt's review.
701    
702    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
703    
704            * R/: Implemented improvements based upon comments by David
705            Meyer.
706    
707    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
708    
709            * inst/doc/: Rewrote vignette.
710    
711            * man/: Improved documentation.
712    
713    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
714    
715            * man/: Updated documentation.
716    
717            * DESCRIPTION: Changed package name to "tm". Updated version to
718            0.1 for first CRAN release.
719    
720            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
721            list archive example.
722    
723            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
724            archive example.
725    
726            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
727            from (several mails per box) mbox format to (single mail per file)
728            eml format.
729    
730    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
731    
732            * data/crude.rda: Rebuilt.
733    
734            * data/acq.rda: Rebuilt.
735    
736            * R/reader.R: Factored out reader and parser methods from
737            textdoccol.R.
738    
739            * R/source.R: Factored out Source methods from aobjects.R and
740            textdoccol.R.
741            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
742            feeds.
743    
744            * R/textdoccol.R (DirSource): Added support for recursive
745            traversal of directories.
746    
747    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
748    
749            * R/textdoccol.R ([[): Loads the document corpus automatically
750            into memory upon access.
751            (tm_transform, tm_filter): Removed several checks whether the
752            document is already loaded ([[ ensures this now).
753            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
754            mailing list archive.
755    
756    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758            * R/aobjects.R (TextDocument): Is now a virtual class.
759            (Source): Is now a virtual class.
760    
761    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
762    
763            * R/textdoccol.R (c): Support for an arbitrary number of document
764            collections.
765    
766    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
767    
768            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
769            append_meta and remove_meta.
770    
771            * R/textdoccol.R: Removed modify_metadata method.
772    
773            * R/textrepo.R: Removed modify_metadata method.
774    
775            * R/textdoccol.R (remove_meta): Supports removal of document
776            collection metadata and document (= in data frame) metadata.
777    
778    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
779    
780            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
781    
782            * data/crude.rda: Rebuilt.
783    
784            * data/acq.rda: Rebuilt.
785    
786            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
787    
788            * R/textdoccol.R ([): Bug fix for subsetting a document
789            collection's data frame.
790    
791    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
792    
793            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
794            to s_filter.
795    
796            * R/textdoccol.R: Local text documents' metadata can now be copied
797            to a document collection's data frame with prescind_meta.
798    
799    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
800    
801            * R/: Text documents' slot metadata is now accessible in s_filter.
802    
803            * R/: Rewrote s_filter function (has still some restrictions).
804    
805    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
806    
807            * R/: Various fixes in handling metadata.
808    
809            * R/: Added update mechanism for text document collections.
810    
811    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
812    
813            * R/: Merging of document collections now creates a binary tree
814            for reconstructing merged document collections.
815    
816            * R/: Redesign of metadata for document collections.
817    
818    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
819    
820            * R/: Messages now use \code{ngettext}.
821    
822    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
823    
824            * R/: Added functions for modifying and removing metadata.
825    
826    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
827    
828            * man/: Updated some documentation.
829    
830            * R/: Corrected some connection issues.
831    
832            * inst/doc: Worked on the vignette.
833    
834    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
835    
836            * inst/: Added texts and started vignette.
837    
838            * R/: Final changes based upon David's comments.
839    
840    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
841    
842            * NAMESPACE: Corrected exports (generic methods need exportMethods
843            directives!).
844    
845    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
846    
847            * R/: Modified the TextDocCol constructur and various parsers. It
848            is now modular and supports various file formats via plugins (see
849            the new "Source" class).
850    
851    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
852    
853            * man/: Revised documentation after previous code changes.
854    
855    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
856    
857            * R/: Remaining changes as discussed with David.
858    
859    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
860    
861            * R/: Some changes as suggested by David. The rest will follow
862            within the next days.
863    
864  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
865    
866          * man/: Finished documentation.          * man/: Finished documentation.

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