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trunk/R/trunk/ChangeLog revision 37, Wed Jan 11 17:49:17 2006 UTC trunk/tm/ChangeLog revision 866, Sun Nov 2 09:11:00 2008 UTC
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1    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/source.R (getElem): Fix 'no visible binding' warning.
4    
5            * man/WeightFunction.Rd: Fix signature.
6    
7    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
8    
9            * R/weight.R: Introduce name abbreviations for weighting functions.
10    
11    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
14    
15            * R/cluster.R: Provide convenience functions for using a MPI
16            cluster.
17    
18            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
19            available.
20    
21            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
22            available.
23    
24    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/textdoccol.R (lapply): Removed debug print out.
27    
28    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * R/reader.R (readRCV1): Improved meta data extraction from
31            Reuters Corpus Volume 1 documents.
32    
33    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
34    
35            * R/transform.R: Ensure that all mappings preserve multiline
36            structures.
37    
38    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * R/filter.R: Every filter has now an attribute indicating whether
41            it sould be applied to document level (doclevel).
42    
43            * R/textdoccol.R (tmFilter): Set searchFullText as new default
44            filter.
45    
46    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
47    
48            * R/transform.R (replacePatterns): Replaced removeWords by
49            replacePatterns. Suggested by Christian Buchta.
50    
51            * R/textdoccol.R (inspect): Improved formatting.
52    
53    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * inst/CITATION: Updated JSS article information.
56    
57            * R/textdoccol.R (setAs): Added coerce method from list to
58            corpus.
59    
60            * R/meta.R (meta): Improved meta data handling.
61    
62    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
65            Christian Buchta.
66    
67            * inst/CITATION: Added template to include JSS article reference.
68    
69    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
70    
71            * R/textdoccol.R (tmMap): Introduced lazy mapping.
72    
73            * R/source.R: Added VectorSource.
74    
75    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * man/: Language codes should be in ISO 639-1 format.
78    
79            * R/textdoccol.R (asPlain): Preserve local meta data.
80    
81    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/textdoccol.R (writeCorpus): Function for writing a corpus
84            containing plain text documents to disk.
85    
86    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
89            always set correctly.
90    
91            * R/textdoccol.R: Set load = TRUE as default for load on demand
92            since in most cases this is the wanted behaviour.
93    
94    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
95    
96            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
97    
98            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
99    
100    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/meta.R (meta): New function for consistent access to meta data
103            of document collections, repositories, and texts.
104    
105    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/: Better support for encodings.
108    
109    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
112            selection when no reader argument is given.
113    
114    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * R/source.R (CSVSource): Now uses read.csv instead of scan
117            internally.
118    
119    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * R/reader.R (getReaders): Returns available reader functions.
122    
123            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
124            as default.
125    
126    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/stopwords.R (stopwords): Shortened code, removed codetools
129            variable warnings.
130    
131            * man/: Documentation for showMeta, added an example for tmMap.
132    
133            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
134            some minor typos fixed.
135    
136    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * R/aobjects.R (showMeta): Added method for pretty printing a
139            text document's meta data.
140    
141    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/textdoccol.R (TextDocCol): Better handling of empty
144            arguments.
145    
146            * NAMESPACE: Exported readDOC.
147    
148            * man/completeStems.Rd: Added an example.
149    
150    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/stopwords.R (stopwords): Look up .dat files at every
153            call. Allows users to modify stopword .dat files interactively.
154    
155    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/termdocmatrix.R (termFreq): Correct processing of empty
158            documents.
159    
160    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * man/: Updated documentation.
163    
164    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
165    
166            * R/complete.R (completeStems): Completes (heuristically) word
167            stems.
168    
169            * R/termdocmatrix.R (TermDocMatrix2): New modular
170            constructor.
171    
172            * NAMESPACE: Exported termFreq.
173    
174    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * R/reader.R (readDOC): Added MS Word reader (using antiword).
177    
178    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * R/weight.R: Weighting functions for TermDocMatrix.
181    
182    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
185            functions for accessing dimension, column, and row names.
186    
187            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
188    
189    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
192    
193    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
196    
197    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/reader.R (readPDF): Removed manual checks for pdftotext and
200            pdfinfo. The system call gives a warning anyway.
201    
202    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/textdoccol.R (asPlain): Conversion from
205            StructuredTextDocuments to PlainTextDocuments.
206    
207    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
210            for accessing term-document matrices.
211    
212            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
213            are installed.
214    
215    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
218            Christian Buchta.
219    
220    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
223    
224    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
225    
226            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
227    
228            * R/reader.R (readPDF): Added PDF reader.
229    
230    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
233    
234            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
235    
236            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
237    
238            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
239    
240    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/distmeasure.R (dissimilarity): Replaced dists call from
243            package cba by new dist call from package proxy.
244    
245    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
248    
249    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/termdocmatrix.R: require() uses the quietly option to suppress
252            loading messages.
253    
254    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
255    
256            * R/dictionary.R: Added dictionary support.
257    
258    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
261            documents. This simplifies some functions, e.g., asPlain.
262    
263    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * inst/doc/tm.Rnw: Fixed some typos in vignette.
266    
267    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
268    
269            * R/textdoccol.R (replaceWords): Added method to replace a set of
270            words by a single word. Useful for synonyms.
271    
272    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
273    
274            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
275    
276    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
279            vectors. Thanks to Ariel Maguyon for his error report.
280            (removeSparseTerms): New function to remove columns from a
281            term-document matrix exceeding a sparse factor.
282    
283    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
286    
287    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * man/sFilter.Rd: Corrected documentation on statement format (use
290            '==' instead of '=').
291    
292    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
293    
294            * R/aobjects.R (StructuredTextDocument): Inherits from
295            TextDocument.
296    
297    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
298    
299            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
300            on sparse matrices as proposed by Martin Maechler.
301    
302    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
303    
304            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
305            \pkg{filehash} version makes them deprecated.
306    
307    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
308    
309            * R/termdocmatrix.R (textvector): Stemming is now performed before
310            erasing stopwords.
311            (weightMatrix): Adapted to handle sparse matrices.
312            (TermDocMatrix): Sparse matrix is now efficiently built by
313            direct stepwise insertion of row values into it.
314    
315    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
316    
317            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
318            due to ongoing problems. For our purposes the latter is as useful
319            as the replaced package.
320    
321    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
322    
323            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
324    
325            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
326    
327    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
328    
329            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
330            languages with available stopwords.
331    
332    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
333    
334            * inst/doc/tm.Rnw: Minor corrections in the vignette.
335    
336    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
337    
338            * DESCRIPTION: Update to version 0.2, since a lot of new features
339            have been integrated.
340    
341            * inst/stopwords: Updated existing stopwords and added stopwords
342            for various other languages.
343    
344    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
345    
346            * man/: Updated documentation.
347    
348            * Work/testDb.R: Script to test database stuff.
349    
350            * R/: Fixed various database related bugs. Seems to be rather
351            useable now, i.e., consider as alpha status for now.
352    
353    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
354    
355            * R/: Fixed some bugs related to database support.
356    
357    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
358    
359            * man/: Added a lot of examples to the manuals.
360    
361    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363            * man/: Updated parts of the documentation.
364    
365            * R/textdoccol.R (asPlain): Added conversion from newsgroup
366            documents to plain text documents.
367    
368    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
369    
370            * R/textdoccol.R: Finished experimental database support. Not yet
371            intensively tested.
372    
373            * R/source.R: Now each source has a default reader.
374    
375            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
376            class anymore.
377    
378            * R/plaintextdoc.R: Custom show method for plain text documents.
379    
380            * R/aobjects.R: Added a class for structured text documents.
381    
382            * R/reader.R: Replaced remaining \code{parser} occurrences with
383            \code{reader}.
384    
385            * R/textdoccol.R (summary): Indent tags.
386    
387            * R/textdoccol.R (removePunctuation): Transform method to remove
388            punctuation marks.
389    
390    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
391    
392            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
393            using prescindMeta().
394    
395    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
396    
397            * R/textdoccol.R: Improved database support.
398    
399    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
400    
401            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
402    
403            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
404            language code.
405    
406            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
407            into parserControl argument.
408    
409            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
410    
411    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * Work/tmDataSetup.R: The datasets acq and crude can now be
414            created on the fly.
415    
416            * R/stopwords.R: Introduced a function returning the stopwords for
417            a given language (English, German and French at the moment)
418    
419            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
420            otherwise falls back to Snowball package.
421    
422    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
423    
424            * man/dissimilarity-methods.Rd: Make clear that any method offered
425            by "dists" from package "cba" can be used.
426    
427    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
428    
429            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
430            to Kurt's latex suggestion. Removed points and underscores in
431            variable names for consistent naming.
432    
433            * DESCRIPTION: Update to version 0.1-2.
434    
435            * man/TextRepository.Rd: Fixed bug in documentation.
436    
437    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
438    
439            * DESCRIPTION: Update to version 0.1-1.
440    
441    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
442    
443            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
444            wordStem.
445    
446    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
447    
448            * R/: Changes due to Kurt's review.
449    
450    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
451    
452            * R/: Implemented improvements based upon comments by David
453            Meyer.
454    
455    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
456    
457            * inst/doc/: Rewrote vignette.
458    
459            * man/: Improved documentation.
460    
461    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
462    
463            * man/: Updated documentation.
464    
465            * DESCRIPTION: Changed package name to "tm". Updated version to
466            0.1 for first CRAN release.
467    
468            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
469            list archive example.
470    
471            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
472            archive example.
473    
474            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
475            from (several mails per box) mbox format to (single mail per file)
476            eml format.
477    
478    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
479    
480            * data/crude.rda: Rebuilt.
481    
482            * data/acq.rda: Rebuilt.
483    
484            * R/reader.R: Factored out reader and parser methods from
485            textdoccol.R.
486    
487            * R/source.R: Factored out Source methods from aobjects.R and
488            textdoccol.R.
489            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
490            feeds.
491    
492            * R/textdoccol.R (DirSource): Added support for recursive
493            traversal of directories.
494    
495    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
496    
497            * R/textdoccol.R ([[): Loads the document corpus automatically
498            into memory upon access.
499            (tm_transform, tm_filter): Removed several checks whether the
500            document is already loaded ([[ ensures this now).
501            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
502            mailing list archive.
503    
504    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
505    
506            * R/aobjects.R (TextDocument): Is now a virtual class.
507            (Source): Is now a virtual class.
508    
509    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
510    
511            * R/textdoccol.R (c): Support for an arbitrary number of document
512            collections.
513    
514    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
517            append_meta and remove_meta.
518    
519            * R/textdoccol.R: Removed modify_metadata method.
520    
521            * R/textrepo.R: Removed modify_metadata method.
522    
523            * R/textdoccol.R (remove_meta): Supports removal of document
524            collection metadata and document (= in data frame) metadata.
525    
526    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
527    
528            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
529    
530            * data/crude.rda: Rebuilt.
531    
532            * data/acq.rda: Rebuilt.
533    
534            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
535    
536            * R/textdoccol.R ([): Bug fix for subsetting a document
537            collection's data frame.
538    
539    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
540    
541            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
542            to s_filter.
543    
544            * R/textdoccol.R: Local text documents' metadata can now be copied
545            to a document collection's data frame with prescind_meta.
546    
547    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
548    
549            * R/: Text documents' slot metadata is now accessible in s_filter.
550    
551            * R/: Rewrote s_filter function (has still some restrictions).
552    
553    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
554    
555            * R/: Various fixes in handling metadata.
556    
557            * R/: Added update mechanism for text document collections.
558    
559    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
560    
561            * R/: Merging of document collections now creates a binary tree
562            for reconstructing merged document collections.
563    
564            * R/: Redesign of metadata for document collections.
565    
566    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
567    
568            * R/: Messages now use \code{ngettext}.
569    
570    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
571    
572            * R/: Added functions for modifying and removing metadata.
573    
574    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
575    
576            * man/: Updated some documentation.
577    
578            * R/: Corrected some connection issues.
579    
580            * inst/doc: Worked on the vignette.
581    
582    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
583    
584            * inst/: Added texts and started vignette.
585    
586            * R/: Final changes based upon David's comments.
587    
588    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * NAMESPACE: Corrected exports (generic methods need exportMethods
591            directives!).
592    
593    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
594    
595            * R/: Modified the TextDocCol constructur and various parsers. It
596            is now modular and supports various file formats via plugins (see
597            the new "Source" class).
598    
599    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
600    
601            * man/: Revised documentation after previous code changes.
602    
603    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
604    
605            * R/: Remaining changes as discussed with David.
606    
607    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
608    
609            * R/: Some changes as suggested by David. The rest will follow
610            within the next days.
611    
612    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
613    
614            * man/: Finished documentation.
615    
616    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
617    
618            * man/: Wrote some documentation.
619    
620    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
621    
622            * R/: Further syntactic sugar in form of additional assignment and
623            accessor methods.
624    
625    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
626    
627            * R/: Syntactic sugar in form of "length", "show" and "summary"
628            operators.
629    
630    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
631    
632            * R/: Diverse updates. Mainly on default operators ("[" or "c")
633            and dissimilarities.
634    
635    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
636    
637            * R/: Added similarity functions.
638    
639            * data/: Added english stopwords.
640    
641    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
642    
643            * data/: Examples compiled for new features
644    
645            * R/: Changes due to new structure.
646    
647            * NAMESPACE: Corrected namespace to reflect new structure.
648    
649            * R/termdocmatrix.R: Adapted for new naming scheme.
650    
651    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
652    
653            * R/textdoccol.R: Adapted code for new class structure. Wrote
654            several transform and filter functions operating on text document
655            collections (alias text document databases).
656    
657            * R/aobjects.R: Adapted class structure with inheritance,
658            repositories and additional meta data. Loading files on demand is
659            now possible.
660    
661    2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
662    
663            * R/: Some cosmetic cleanups.
664    
665            * inst/: Removed vignette on clustering. That and much more is now
666            described in the JSS paper on text mining. Based upon that
667            article an elaborated vignette will be incorporated in the future.
668    
669    2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
670    
671            * R/: Updated generic S4 methods to comply with signature changes
672            in newer versions of R (> 2.3)
673    
674    2006-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
675    
676            * ext/R/importRIS.R: Automatic RIS import is now possible.
677    
678    2006-02-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
679    
680            * R/textdoccol.R: Added RIS HTML input format.
681    
682    2006-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
683    
684            * R/textdoccol.R: Removed bug that caused invalid text document
685            collections when handling many input files.
686    
687  2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
688    
689          * R/textdoccol.R: Restructured and extended file import          * R/textdoccol.R: Restructured and extended file import

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