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trunk/R/trunk/ChangeLog revision 20, Tue Nov 8 16:40:52 2005 UTC trunk/tm/ChangeLog revision 817, Wed Jan 30 11:25:20 2008 UTC
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1    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
4            always set correctly.
5    
6            * R/textdoccol.R: Set load = TRUE as default for load on demand
7            since in most cases this is the wanted behaviour.
8    
9    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
10    
11            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
12    
13            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
14    
15    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/meta.R (meta): New function for consistent access to meta data
18            of document collections, repositories, and texts.
19    
20    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/: Better support for encodings.
23    
24    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
27            selection when no reader argument is given.
28    
29    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/source.R (CSVSource): Now uses read.csv instead of scan
32            internally.
33    
34    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * R/reader.R (getReaders): Returns available reader functions.
37    
38            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
39            as default.
40    
41    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/stopwords.R (stopwords): Shortened code, removed codetools
44            variable warnings.
45    
46            * man/: Documentation for showMeta, added an example for tmMap.
47    
48            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
49            some minor typos fixed.
50    
51    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/aobjects.R (showMeta): Added method for pretty printing a
54            text document's meta data.
55    
56    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * R/textdoccol.R (TextDocCol): Better handling of empty
59            arguments.
60    
61            * NAMESPACE: Exported readDOC.
62    
63            * man/completeStems.Rd: Added an example.
64    
65    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * R/stopwords.R (stopwords): Look up .dat files at every
68            call. Allows users to modify stopword .dat files interactively.
69    
70    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * R/termdocmatrix.R (termFreq): Correct processing of empty
73            documents.
74    
75    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * man/: Updated documentation.
78    
79    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/complete.R (completeStems): Completes (heuristically) word
82            stems.
83    
84            * R/termdocmatrix.R (TermDocMatrix2): New modular
85            constructor.
86    
87            * NAMESPACE: Exported termFreq.
88    
89    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/reader.R (readDOC): Added MS Word reader (using antiword).
92    
93    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
94    
95            * R/weight.R: Weighting functions for TermDocMatrix.
96    
97    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
98    
99            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
100            functions for accessing dimension, column, and row names.
101    
102            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
103    
104    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
107    
108    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
111    
112    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * R/reader.R (readPDF): Removed manual checks for pdftotext and
115            pdfinfo. The system call gives a warning anyway.
116    
117    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
118    
119            * R/textdoccol.R (asPlain): Conversion from
120            StructuredTextDocuments to PlainTextDocuments.
121    
122    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
125            for accessing term-document matrices.
126    
127            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
128            are installed.
129    
130    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
133            Christian Buchta.
134    
135    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
138    
139    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
142    
143            * R/reader.R (readPDF): Added PDF reader.
144    
145    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
148    
149            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
150    
151            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
152    
153            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
154    
155    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/distmeasure.R (dissimilarity): Replaced dists call from
158            package cba by new dist call from package proxy.
159    
160    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
163    
164    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
165    
166            * R/termdocmatrix.R: require() uses the quietly option to suppress
167            loading messages.
168    
169    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * R/dictionary.R: Added dictionary support.
172    
173    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
176            documents. This simplifies some functions, e.g., asPlain.
177    
178    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * inst/doc/tm.Rnw: Fixed some typos in vignette.
181    
182    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * R/textdoccol.R (replaceWords): Added method to replace a set of
185            words by a single word. Useful for synonyms.
186    
187    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
190    
191    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
192    
193            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
194            vectors. Thanks to Ariel Maguyon for his error report.
195            (removeSparseTerms): New function to remove columns from a
196            term-document matrix exceeding a sparse factor.
197    
198    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
201    
202    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * man/sFilter.Rd: Corrected documentation on statement format (use
205            '==' instead of '=').
206    
207    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/aobjects.R (StructuredTextDocument): Inherits from
210            TextDocument.
211    
212    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
213    
214            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
215            on sparse matrices as proposed by Martin Maechler.
216    
217    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
220            \pkg{filehash} version makes them deprecated.
221    
222    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * R/termdocmatrix.R (textvector): Stemming is now performed before
225            erasing stopwords.
226            (weightMatrix): Adapted to handle sparse matrices.
227            (TermDocMatrix): Sparse matrix is now efficiently built by
228            direct stepwise insertion of row values into it.
229    
230    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
233            due to ongoing problems. For our purposes the latter is as useful
234            as the replaced package.
235    
236    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
239    
240            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
241    
242    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
243    
244            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
245            languages with available stopwords.
246    
247    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * inst/doc/tm.Rnw: Minor corrections in the vignette.
250    
251    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * DESCRIPTION: Update to version 0.2, since a lot of new features
254            have been integrated.
255    
256            * inst/stopwords: Updated existing stopwords and added stopwords
257            for various other languages.
258    
259    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
260    
261            * man/: Updated documentation.
262    
263            * Work/testDb.R: Script to test database stuff.
264    
265            * R/: Fixed various database related bugs. Seems to be rather
266            useable now, i.e., consider as alpha status for now.
267    
268    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * R/: Fixed some bugs related to database support.
271    
272    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
273    
274            * man/: Added a lot of examples to the manuals.
275    
276    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * man/: Updated parts of the documentation.
279    
280            * R/textdoccol.R (asPlain): Added conversion from newsgroup
281            documents to plain text documents.
282    
283    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/textdoccol.R: Finished experimental database support. Not yet
286            intensively tested.
287    
288            * R/source.R: Now each source has a default reader.
289    
290            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
291            class anymore.
292    
293            * R/plaintextdoc.R: Custom show method for plain text documents.
294    
295            * R/aobjects.R: Added a class for structured text documents.
296    
297            * R/reader.R: Replaced remaining \code{parser} occurrences with
298            \code{reader}.
299    
300            * R/textdoccol.R (summary): Indent tags.
301    
302            * R/textdoccol.R (removePunctuation): Transform method to remove
303            punctuation marks.
304    
305    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
306    
307            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
308            using prescindMeta().
309    
310    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
311    
312            * R/textdoccol.R: Improved database support.
313    
314    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
315    
316            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
317    
318            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
319            language code.
320    
321            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
322            into parserControl argument.
323    
324            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
325    
326    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * Work/tmDataSetup.R: The datasets acq and crude can now be
329            created on the fly.
330    
331            * R/stopwords.R: Introduced a function returning the stopwords for
332            a given language (English, German and French at the moment)
333    
334            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
335            otherwise falls back to Snowball package.
336    
337    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * man/dissimilarity-methods.Rd: Make clear that any method offered
340            by "dists" from package "cba" can be used.
341    
342    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
343    
344            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
345            to Kurt's latex suggestion. Removed points and underscores in
346            variable names for consistent naming.
347    
348            * DESCRIPTION: Update to version 0.1-2.
349    
350            * man/TextRepository.Rd: Fixed bug in documentation.
351    
352    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * DESCRIPTION: Update to version 0.1-1.
355    
356    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
357    
358            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
359            wordStem.
360    
361    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363            * R/: Changes due to Kurt's review.
364    
365    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
366    
367            * R/: Implemented improvements based upon comments by David
368            Meyer.
369    
370    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
371    
372            * inst/doc/: Rewrote vignette.
373    
374            * man/: Improved documentation.
375    
376    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
377    
378            * man/: Updated documentation.
379    
380            * DESCRIPTION: Changed package name to "tm". Updated version to
381            0.1 for first CRAN release.
382    
383            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
384            list archive example.
385    
386            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
387            archive example.
388    
389            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
390            from (several mails per box) mbox format to (single mail per file)
391            eml format.
392    
393    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * data/crude.rda: Rebuilt.
396    
397            * data/acq.rda: Rebuilt.
398    
399            * R/reader.R: Factored out reader and parser methods from
400            textdoccol.R.
401    
402            * R/source.R: Factored out Source methods from aobjects.R and
403            textdoccol.R.
404            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
405            feeds.
406    
407            * R/textdoccol.R (DirSource): Added support for recursive
408            traversal of directories.
409    
410    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
411    
412            * R/textdoccol.R ([[): Loads the document corpus automatically
413            into memory upon access.
414            (tm_transform, tm_filter): Removed several checks whether the
415            document is already loaded ([[ ensures this now).
416            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
417            mailing list archive.
418    
419    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
420    
421            * R/aobjects.R (TextDocument): Is now a virtual class.
422            (Source): Is now a virtual class.
423    
424    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
425    
426            * R/textdoccol.R (c): Support for an arbitrary number of document
427            collections.
428    
429    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
430    
431            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
432            append_meta and remove_meta.
433    
434            * R/textdoccol.R: Removed modify_metadata method.
435    
436            * R/textrepo.R: Removed modify_metadata method.
437    
438            * R/textdoccol.R (remove_meta): Supports removal of document
439            collection metadata and document (= in data frame) metadata.
440    
441    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
442    
443            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
444    
445            * data/crude.rda: Rebuilt.
446    
447            * data/acq.rda: Rebuilt.
448    
449            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
450    
451            * R/textdoccol.R ([): Bug fix for subsetting a document
452            collection's data frame.
453    
454    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
457            to s_filter.
458    
459            * R/textdoccol.R: Local text documents' metadata can now be copied
460            to a document collection's data frame with prescind_meta.
461    
462    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
463    
464            * R/: Text documents' slot metadata is now accessible in s_filter.
465    
466            * R/: Rewrote s_filter function (has still some restrictions).
467    
468    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
469    
470            * R/: Various fixes in handling metadata.
471    
472            * R/: Added update mechanism for text document collections.
473    
474    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
475    
476            * R/: Merging of document collections now creates a binary tree
477            for reconstructing merged document collections.
478    
479            * R/: Redesign of metadata for document collections.
480    
481    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * R/: Messages now use \code{ngettext}.
484    
485    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
486    
487            * R/: Added functions for modifying and removing metadata.
488    
489    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
490    
491            * man/: Updated some documentation.
492    
493            * R/: Corrected some connection issues.
494    
495            * inst/doc: Worked on the vignette.
496    
497    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
498    
499            * inst/: Added texts and started vignette.
500    
501            * R/: Final changes based upon David's comments.
502    
503    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
504    
505            * NAMESPACE: Corrected exports (generic methods need exportMethods
506            directives!).
507    
508    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
509    
510            * R/: Modified the TextDocCol constructur and various parsers. It
511            is now modular and supports various file formats via plugins (see
512            the new "Source" class).
513    
514    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * man/: Revised documentation after previous code changes.
517    
518    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
519    
520            * R/: Remaining changes as discussed with David.
521    
522    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
523    
524            * R/: Some changes as suggested by David. The rest will follow
525            within the next days.
526    
527    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
528    
529            * man/: Finished documentation.
530    
531    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
532    
533            * man/: Wrote some documentation.
534    
535    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
536    
537            * R/: Further syntactic sugar in form of additional assignment and
538            accessor methods.
539    
540    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
541    
542            * R/: Syntactic sugar in form of "length", "show" and "summary"
543            operators.
544    
545    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
546    
547            * R/: Diverse updates. Mainly on default operators ("[" or "c")
548            and dissimilarities.
549    
550    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
551    
552            * R/: Added similarity functions.
553    
554            * data/: Added english stopwords.
555    
556    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
557    
558            * data/: Examples compiled for new features
559    
560            * R/: Changes due to new structure.
561    
562            * NAMESPACE: Corrected namespace to reflect new structure.
563    
564            * R/termdocmatrix.R: Adapted for new naming scheme.
565    
566    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
567    
568            * R/textdoccol.R: Adapted code for new class structure. Wrote
569            several transform and filter functions operating on text document
570            collections (alias text document databases).
571    
572            * R/aobjects.R: Adapted class structure with inheritance,
573            repositories and additional meta data. Loading files on demand is
574            now possible.
575    
576    2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
577    
578            * R/: Some cosmetic cleanups.
579    
580            * inst/: Removed vignette on clustering. That and much more is now
581            described in the JSS paper on text mining. Based upon that
582            article an elaborated vignette will be incorporated in the future.
583    
584    2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
585    
586            * R/: Updated generic S4 methods to comply with signature changes
587            in newer versions of R (> 2.3)
588    
589    2006-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
590    
591            * ext/R/importRIS.R: Automatic RIS import is now possible.
592    
593    2006-02-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
594    
595            * R/textdoccol.R: Added RIS HTML input format.
596    
597    2006-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
598    
599            * R/textdoccol.R: Removed bug that caused invalid text document
600            collections when handling many input files.
601    
602    2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
603    
604            * R/textdoccol.R: Restructured and extended file import
605            mechanism.
606    
607            * inst/doc/clustering.Rnw: Adapted vignette for use with
608            ReutNews.rda
609    
610            * man/ReutNews.Rd: Documentation for ReutNews.rda
611    
612            * data/ReutNews.rda: A tiny Reuters21578 example data set.
613    
614    2005-12-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
615    
616            * inst/doc/clustering.Rnw: Wrote a small vignette to present the
617            clustering facilities of this package.
618    
619    2005-12-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
620    
621            * R/aobjects.R: Changed package document structure to avoid class
622            dependency problems.
623    
624    2005-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
625    
626            *  Wrote a script for the ModLewis Split for the Reuters-21578 XML
627            data set.
628    
629            *  Finished documentation and reordered directory structure. Now "R
630            CMD check textmin" works without errors.
631    
632    2005-12-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
633    
634            * src/: Various splits can now be easily created for the
635            Reuters21578 data set.
636    
637    2005-12-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
638    
639            *  Updated documentation
640    
641    2005-11-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
642    
643            *  Wrote R documentation for some classes and methods.
644    
645    2005-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
646    
647            * R/textdoccol.R: Constructor of textdoccol allows import of CSV
648            files. See the questionnaire data/Umfrage.csv for such an example.
649            We are now able to import files in Reuters-21578 XML format.
650    
651            *  Changed class interfaces in various files. Weighting of the text
652            matrix is now possible.
653    
654  2005-11-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2005-11-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
655    
656          * R/textdoccol.R: One can build term-document matrices if          * R/textdoccol.R: One can build term-document matrices if

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