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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC pkg/ChangeLog revision 973, Sat Jul 4 08:10:25 2009 UTC
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1    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
4            postings are basically e-mails with some extra headers.
5    
6    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/transform.R: Move removeCitation, removeMultipart, and
9            removeSignature to the tau package since they are mainly utility
10            functions (for handling e-mails) and not very framework specific.
11    
12    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
13    
14            * man/: Fix documentation.
15    
16    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
19            plain text document instead of an XML document for texts of the
20            Reuters-21578 dataset.
21    
22            * R/sparse.R: Removed since the slam package is now available on
23            CRAN.
24    
25            * DESCRIPTION (Depends): Add slam package.
26    
27    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
28    
29            * R/transform.R (stemDoc): Fix character(0) handling.
30    
31    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
32    
33            * R/doc.R (show): Pretty print.
34    
35    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
38            gracefully.
39    
40    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/corpus.R: Make corpus virtual. Implement corpus with standard
43            and permanent storage semantics.
44    
45            * DESCRIPTION: New major release. A *lot* of improvements.
46    
47    2009-05-04   Ingo Feinerer <feinerer@logic.at>
48    
49            * NAMESPACE: Export some simple_triplet_matrix functions.
50    
51    2009-04-28   Ingo Feinerer <feinerer@logic.at>
52    
53            * R/weight.R: Adapt tf-idf to new matrix format.
54    
55    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/matrix.R: Create two distinct classes for term-document and
58            document-term matrices.
59    
60    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/termdocmatrix.R: No longer use Matrix package. This reduces
63            package start-up time significantly.
64    
65    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
66    
67            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
68    
69    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/transform.R (tmReduce): Combine multiple maps into one
72            transformation.
73    
74    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/weight.R: Remove weightLogical since it does not return a
77            dgCMatrix.
78    
79            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
80            or TermDocumentMatrix instead.
81    
82    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
83    
84            * inst/doc/extensions.Rnw: Finished vignette.
85    
86    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
89            DocumentTermMatrix representations.
90    
91    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/reader.R (readXML): New reader for arbitrary XML files.
94    
95    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
98            (XMLSource): New XMLSource class for arbitrary XML files.
99            (Source): New slot Vectorized.
100    
101    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
102    
103            * R/reader.R (readTabular): Experimental reader for tabular data
104            structures which can be customized via user-defined mappings.
105    
106            * R/reader.R: Always use UTC time zone.
107    
108            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
109    
110    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/reader.R (readDOC): Options can be passed over to antiword.
113    
114            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
115            pdftotext.
116    
117    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/source.R (DirSource): Add pattern and ignore.case arguments
120            which are internally passed over to list.files().
121    
122    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
123    
124            * inst/doc/tm.Rnw: Suppress pointless loading message.
125    
126    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
127    
128            * DESCRIPTION: Speed up package loading (via moving packages not
129            strictly necessary for normal operation to Suggests instead of
130            Depends).
131    
132    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/reader.R (readNewsgroup): The date format is now configurable.
135    
136    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
139    
140    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
143    
144    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
145    
146            * R/source.R (DataframeSource): New source class for data frames.
147    
148            * R/source.R: Fixed non-standard call evaluation.
149    
150    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/source.R (URISource): New source class for a single document.
153    
154    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
155    
156            * R/source.R: Refactoring.
157    
158    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
159    
160            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
161            Rmpi installations more gracefully.
162    
163    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
164    
165            * R/source.R (Source): Add Length slot.
166    
167    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
168    
169            * R/AAA.R: Unify duplicated .onLoad function.
170    
171    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
172    
173            * DESCRIPTION (Suggests): Added Rmpi.
174    
175    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/source.R (getElem): Fix 'no visible binding' warning.
178    
179            * man/WeightFunction.Rd: Fix signature.
180    
181    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/weight.R: Introduce name abbreviations for weighting functions.
184    
185    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
186    
187            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
188    
189            * R/cluster.R: Provide convenience functions for using a MPI
190            cluster.
191    
192            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
193            available.
194    
195            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
196            available.
197    
198    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
199    
200            * R/textdoccol.R (lapply): Removed debug print out.
201    
202    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/reader.R (readRCV1): Improved meta data extraction from
205            Reuters Corpus Volume 1 documents.
206    
207    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/transform.R: Ensure that all mappings preserve multiline
210            structures.
211    
212    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
213    
214            * R/filter.R: Every filter has now an attribute indicating whether
215            it sould be applied to document level (doclevel).
216    
217            * R/textdoccol.R (tmFilter): Set searchFullText as new default
218            filter.
219    
220    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * R/transform.R (replacePatterns): Replaced removeWords by
223            replacePatterns. Suggested by Christian Buchta.
224    
225            * R/textdoccol.R (inspect): Improved formatting.
226    
227    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
228    
229            * inst/CITATION: Updated JSS article information.
230    
231            * R/textdoccol.R (setAs): Added coerce method from list to
232            corpus.
233    
234            * R/meta.R (meta): Improved meta data handling.
235    
236    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
239            Christian Buchta.
240    
241            * inst/CITATION: Added template to include JSS article reference.
242    
243    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
244    
245            * R/textdoccol.R (tmMap): Introduced lazy mapping.
246    
247            * R/source.R: Added VectorSource.
248    
249    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * man/: Language codes should be in ISO 639-1 format.
252    
253            * R/textdoccol.R (asPlain): Preserve local meta data.
254    
255    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * R/textdoccol.R (writeCorpus): Function for writing a corpus
258            containing plain text documents to disk.
259    
260    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
263            always set correctly.
264    
265            * R/textdoccol.R: Set load = TRUE as default for load on demand
266            since in most cases this is the wanted behaviour.
267    
268    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
271    
272            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
273    
274    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
275    
276            * R/meta.R (meta): New function for consistent access to meta data
277            of document collections, repositories, and texts.
278    
279    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
280    
281            * R/: Better support for encodings.
282    
283    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
286            selection when no reader argument is given.
287    
288    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * R/source.R (CSVSource): Now uses read.csv instead of scan
291            internally.
292    
293    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295            * R/reader.R (getReaders): Returns available reader functions.
296    
297            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
298            as default.
299    
300    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/stopwords.R (stopwords): Shortened code, removed codetools
303            variable warnings.
304    
305            * man/: Documentation for showMeta, added an example for tmMap.
306    
307            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
308            some minor typos fixed.
309    
310    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
311    
312            * R/aobjects.R (showMeta): Added method for pretty printing a
313            text document's meta data.
314    
315    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
316    
317            * R/textdoccol.R (TextDocCol): Better handling of empty
318            arguments.
319    
320            * NAMESPACE: Exported readDOC.
321    
322            * man/completeStems.Rd: Added an example.
323    
324    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
325    
326            * R/stopwords.R (stopwords): Look up .dat files at every
327            call. Allows users to modify stopword .dat files interactively.
328    
329    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
330    
331            * R/termdocmatrix.R (termFreq): Correct processing of empty
332            documents.
333    
334    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
335    
336            * man/: Updated documentation.
337    
338    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * R/complete.R (completeStems): Completes (heuristically) word
341            stems.
342    
343            * R/termdocmatrix.R (TermDocMatrix2): New modular
344            constructor.
345    
346            * NAMESPACE: Exported termFreq.
347    
348    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
349    
350            * R/reader.R (readDOC): Added MS Word reader (using antiword).
351    
352    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/weight.R: Weighting functions for TermDocMatrix.
355    
356    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
357    
358            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
359            functions for accessing dimension, column, and row names.
360    
361            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
362    
363    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
364    
365            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
366    
367    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
368    
369            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
370    
371    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
372    
373            * R/reader.R (readPDF): Removed manual checks for pdftotext and
374            pdfinfo. The system call gives a warning anyway.
375    
376    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
377    
378            * R/textdoccol.R (asPlain): Conversion from
379            StructuredTextDocuments to PlainTextDocuments.
380    
381    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
382    
383            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
384            for accessing term-document matrices.
385    
386            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
387            are installed.
388    
389    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
392            Christian Buchta.
393    
394    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
395    
396            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
397    
398    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
401    
402            * R/reader.R (readPDF): Added PDF reader.
403    
404    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
405    
406            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
407    
408            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
409    
410            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
411    
412            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
413    
414    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
415    
416            * R/distmeasure.R (dissimilarity): Replaced dists call from
417            package cba by new dist call from package proxy.
418    
419    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
420    
421            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
422    
423    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
424    
425            * R/termdocmatrix.R: require() uses the quietly option to suppress
426            loading messages.
427    
428    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
429    
430            * R/dictionary.R: Added dictionary support.
431    
432    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
433    
434            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
435            documents. This simplifies some functions, e.g., asPlain.
436    
437    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
438    
439            * inst/doc/tm.Rnw: Fixed some typos in vignette.
440    
441    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
442    
443            * R/textdoccol.R (replaceWords): Added method to replace a set of
444            words by a single word. Useful for synonyms.
445    
446    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
447    
448            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
449    
450    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
451    
452            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
453            vectors. Thanks to Ariel Maguyon for his error report.
454            (removeSparseTerms): New function to remove columns from a
455            term-document matrix exceeding a sparse factor.
456    
457    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
458    
459            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
460    
461    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
462    
463            * man/sFilter.Rd: Corrected documentation on statement format (use
464            '==' instead of '=').
465    
466    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
467    
468            * R/aobjects.R (StructuredTextDocument): Inherits from
469            TextDocument.
470    
471    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
472    
473            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
474            on sparse matrices as proposed by Martin Maechler.
475    
476    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
477    
478            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
479            \pkg{filehash} version makes them deprecated.
480    
481    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * R/termdocmatrix.R (textvector): Stemming is now performed before
484            erasing stopwords.
485            (weightMatrix): Adapted to handle sparse matrices.
486            (TermDocMatrix): Sparse matrix is now efficiently built by
487            direct stepwise insertion of row values into it.
488    
489    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
490    
491            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
492            due to ongoing problems. For our purposes the latter is as useful
493            as the replaced package.
494    
495    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
496    
497            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
498    
499            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
500    
501    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
502    
503            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
504            languages with available stopwords.
505    
506    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
507    
508            * inst/doc/tm.Rnw: Minor corrections in the vignette.
509    
510    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
511    
512            * DESCRIPTION: Update to version 0.2, since a lot of new features
513            have been integrated.
514    
515            * inst/stopwords: Updated existing stopwords and added stopwords
516            for various other languages.
517    
518    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
519    
520            * man/: Updated documentation.
521    
522            * Work/testDb.R: Script to test database stuff.
523    
524            * R/: Fixed various database related bugs. Seems to be rather
525            useable now, i.e., consider as alpha status for now.
526    
527    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
528    
529            * R/: Fixed some bugs related to database support.
530    
531    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
532    
533            * man/: Added a lot of examples to the manuals.
534    
535    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * man/: Updated parts of the documentation.
538    
539            * R/textdoccol.R (asPlain): Added conversion from newsgroup
540            documents to plain text documents.
541    
542    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
543    
544            * R/textdoccol.R: Finished experimental database support. Not yet
545            intensively tested.
546    
547            * R/source.R: Now each source has a default reader.
548    
549            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
550            class anymore.
551    
552            * R/plaintextdoc.R: Custom show method for plain text documents.
553    
554            * R/aobjects.R: Added a class for structured text documents.
555    
556            * R/reader.R: Replaced remaining \code{parser} occurrences with
557            \code{reader}.
558    
559            * R/textdoccol.R (summary): Indent tags.
560    
561            * R/textdoccol.R (removePunctuation): Transform method to remove
562            punctuation marks.
563    
564    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
565    
566            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
567            using prescindMeta().
568    
569    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
570    
571            * R/textdoccol.R: Improved database support.
572    
573    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
574    
575            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
576    
577            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
578            language code.
579    
580            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
581            into parserControl argument.
582    
583            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
584    
585    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
586    
587            * Work/tmDataSetup.R: The datasets acq and crude can now be
588            created on the fly.
589    
590            * R/stopwords.R: Introduced a function returning the stopwords for
591            a given language (English, German and French at the moment)
592    
593            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
594            otherwise falls back to Snowball package.
595    
596    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
597    
598            * man/dissimilarity-methods.Rd: Make clear that any method offered
599            by "dists" from package "cba" can be used.
600    
601    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
602    
603            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
604            to Kurt's latex suggestion. Removed points and underscores in
605            variable names for consistent naming.
606    
607            * DESCRIPTION: Update to version 0.1-2.
608    
609            * man/TextRepository.Rd: Fixed bug in documentation.
610    
611    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
612    
613            * DESCRIPTION: Update to version 0.1-1.
614    
615    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
616    
617            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
618            wordStem.
619    
620    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/: Changes due to Kurt's review.
623    
624    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
625    
626            * R/: Implemented improvements based upon comments by David
627            Meyer.
628    
629    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
630    
631            * inst/doc/: Rewrote vignette.
632    
633            * man/: Improved documentation.
634    
635    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
636    
637            * man/: Updated documentation.
638    
639            * DESCRIPTION: Changed package name to "tm". Updated version to
640            0.1 for first CRAN release.
641    
642            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
643            list archive example.
644    
645            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
646            archive example.
647    
648            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
649            from (several mails per box) mbox format to (single mail per file)
650            eml format.
651    
652    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
653    
654            * data/crude.rda: Rebuilt.
655    
656            * data/acq.rda: Rebuilt.
657    
658            * R/reader.R: Factored out reader and parser methods from
659            textdoccol.R.
660    
661            * R/source.R: Factored out Source methods from aobjects.R and
662            textdoccol.R.
663            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
664            feeds.
665    
666            * R/textdoccol.R (DirSource): Added support for recursive
667            traversal of directories.
668    
669    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
670    
671            * R/textdoccol.R ([[): Loads the document corpus automatically
672            into memory upon access.
673            (tm_transform, tm_filter): Removed several checks whether the
674            document is already loaded ([[ ensures this now).
675            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
676            mailing list archive.
677    
678    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
679    
680            * R/aobjects.R (TextDocument): Is now a virtual class.
681            (Source): Is now a virtual class.
682    
683    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
684    
685            * R/textdoccol.R (c): Support for an arbitrary number of document
686            collections.
687    
688    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
689    
690            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
691            append_meta and remove_meta.
692    
693            * R/textdoccol.R: Removed modify_metadata method.
694    
695            * R/textrepo.R: Removed modify_metadata method.
696    
697            * R/textdoccol.R (remove_meta): Supports removal of document
698            collection metadata and document (= in data frame) metadata.
699    
700    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
701    
702            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
703    
704            * data/crude.rda: Rebuilt.
705    
706            * data/acq.rda: Rebuilt.
707    
708            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
709    
710            * R/textdoccol.R ([): Bug fix for subsetting a document
711            collection's data frame.
712    
713    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
714    
715            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
716            to s_filter.
717    
718            * R/textdoccol.R: Local text documents' metadata can now be copied
719            to a document collection's data frame with prescind_meta.
720    
721    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
722    
723            * R/: Text documents' slot metadata is now accessible in s_filter.
724    
725            * R/: Rewrote s_filter function (has still some restrictions).
726    
727    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
728    
729            * R/: Various fixes in handling metadata.
730    
731            * R/: Added update mechanism for text document collections.
732    
733    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
734    
735            * R/: Merging of document collections now creates a binary tree
736            for reconstructing merged document collections.
737    
738            * R/: Redesign of metadata for document collections.
739    
740    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
741    
742            * R/: Messages now use \code{ngettext}.
743    
744    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
745    
746            * R/: Added functions for modifying and removing metadata.
747    
748    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
749    
750            * man/: Updated some documentation.
751    
752            * R/: Corrected some connection issues.
753    
754            * inst/doc: Worked on the vignette.
755    
756    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
757    
758            * inst/: Added texts and started vignette.
759    
760            * R/: Final changes based upon David's comments.
761    
762    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
763    
764            * NAMESPACE: Corrected exports (generic methods need exportMethods
765            directives!).
766    
767    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
768    
769            * R/: Modified the TextDocCol constructur and various parsers. It
770            is now modular and supports various file formats via plugins (see
771            the new "Source" class).
772    
773    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
774    
775            * man/: Revised documentation after previous code changes.
776    
777    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
778    
779            * R/: Remaining changes as discussed with David.
780    
781    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
782    
783            * R/: Some changes as suggested by David. The rest will follow
784            within the next days.
785    
786  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
787    
788          * man/: Finished documentation.          * man/: Finished documentation.

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