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trunk/R/trunk/ChangeLog revision 19, Sun Nov 6 15:38:48 2005 UTC trunk/tm/ChangeLog revision 799, Thu Nov 29 11:05:23 2007 UTC
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1    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R (TextDocCol): Better handling of empty
4            arguments.
5    
6            * NAMESPACE: Exported readDOC.
7    
8    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
9    
10            * R/stopwords.R (stopwords): Look up .dat files at every
11            call. Allows users to modify stopword .dat files interactively.
12    
13    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
14    
15            * R/termdocmatrix.R (termFreq): Correct processing of empty
16            documents.
17    
18    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
19    
20            * man/: Updated documentation.
21    
22    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
23    
24            * R/complete.R (completeStems): Completes (heuristically) word
25            stems.
26    
27            * R/termdocmatrix.R (TermDocMatrix2): New modular
28            constructor.
29    
30            * NAMESPACE: Exported termFreq.
31    
32    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/reader.R (readDOC): Added MS Word reader (using antiword).
35    
36    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/weight.R: Weighting functions for TermDocMatrix.
39    
40    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
43            functions for accessing dimension, column, and row names.
44    
45            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
46    
47    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
50    
51    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
54    
55    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
56    
57            * R/reader.R (readPDF): Removed manual checks for pdftotext and
58            pdfinfo. The system call gives a warning anyway.
59    
60    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * R/textdoccol.R (asPlain): Conversion from
63            StructuredTextDocuments to PlainTextDocuments.
64    
65    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
68            for accessing term-document matrices.
69    
70            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
71            are installed.
72    
73    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
76            Christian Buchta.
77    
78    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
81    
82    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
85    
86            * R/reader.R (readPDF): Added PDF reader.
87    
88    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
91    
92            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
93    
94            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
95    
96            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
97    
98    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/distmeasure.R (dissimilarity): Replaced dists call from
101            package cba by new dist call from package proxy.
102    
103    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
106    
107    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
108    
109            * R/termdocmatrix.R: require() uses the quietly option to suppress
110            loading messages.
111    
112    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * R/dictionary.R: Added dictionary support.
115    
116    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
117    
118            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
119            documents. This simplifies some functions, e.g., asPlain.
120    
121    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * inst/doc/tm.Rnw: Fixed some typos in vignette.
124    
125    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * R/textdoccol.R (replaceWords): Added method to replace a set of
128            words by a single word. Useful for synonyms.
129    
130    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
133    
134    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
137            vectors. Thanks to Ariel Maguyon for his error report.
138            (removeSparseTerms): New function to remove columns from a
139            term-document matrix exceeding a sparse factor.
140    
141    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
144    
145    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * man/sFilter.Rd: Corrected documentation on statement format (use
148            '==' instead of '=').
149    
150    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/aobjects.R (StructuredTextDocument): Inherits from
153            TextDocument.
154    
155    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
158            on sparse matrices as proposed by Martin Maechler.
159    
160    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
163            \pkg{filehash} version makes them deprecated.
164    
165    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * R/termdocmatrix.R (textvector): Stemming is now performed before
168            erasing stopwords.
169            (weightMatrix): Adapted to handle sparse matrices.
170            (TermDocMatrix): Sparse matrix is now efficiently built by
171            direct stepwise insertion of row values into it.
172    
173    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
176            due to ongoing problems. For our purposes the latter is as useful
177            as the replaced package.
178    
179    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
182    
183            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
184    
185    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
186    
187            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
188            languages with available stopwords.
189    
190    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * inst/doc/tm.Rnw: Minor corrections in the vignette.
193    
194    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * DESCRIPTION: Update to version 0.2, since a lot of new features
197            have been integrated.
198    
199            * inst/stopwords: Updated existing stopwords and added stopwords
200            for various other languages.
201    
202    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * man/: Updated documentation.
205    
206            * Work/testDb.R: Script to test database stuff.
207    
208            * R/: Fixed various database related bugs. Seems to be rather
209            useable now, i.e., consider as alpha status for now.
210    
211    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
212    
213            * R/: Fixed some bugs related to database support.
214    
215    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217            * man/: Added a lot of examples to the manuals.
218    
219    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
220    
221            * man/: Updated parts of the documentation.
222    
223            * R/textdoccol.R (asPlain): Added conversion from newsgroup
224            documents to plain text documents.
225    
226    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * R/textdoccol.R: Finished experimental database support. Not yet
229            intensively tested.
230    
231            * R/source.R: Now each source has a default reader.
232    
233            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
234            class anymore.
235    
236            * R/plaintextdoc.R: Custom show method for plain text documents.
237    
238            * R/aobjects.R: Added a class for structured text documents.
239    
240            * R/reader.R: Replaced remaining \code{parser} occurrences with
241            \code{reader}.
242    
243            * R/textdoccol.R (summary): Indent tags.
244    
245            * R/textdoccol.R (removePunctuation): Transform method to remove
246            punctuation marks.
247    
248    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
249    
250            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
251            using prescindMeta().
252    
253    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * R/textdoccol.R: Improved database support.
256    
257    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
258    
259            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
260    
261            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
262            language code.
263    
264            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
265            into parserControl argument.
266    
267            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
268    
269    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * Work/tmDataSetup.R: The datasets acq and crude can now be
272            created on the fly.
273    
274            * R/stopwords.R: Introduced a function returning the stopwords for
275            a given language (English, German and French at the moment)
276    
277            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
278            otherwise falls back to Snowball package.
279    
280    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
281    
282            * man/dissimilarity-methods.Rd: Make clear that any method offered
283            by "dists" from package "cba" can be used.
284    
285    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
286    
287            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
288            to Kurt's latex suggestion. Removed points and underscores in
289            variable names for consistent naming.
290    
291            * DESCRIPTION: Update to version 0.1-2.
292    
293            * man/TextRepository.Rd: Fixed bug in documentation.
294    
295    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * DESCRIPTION: Update to version 0.1-1.
298    
299    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
302            wordStem.
303    
304    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * R/: Changes due to Kurt's review.
307    
308    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
309    
310            * R/: Implemented improvements based upon comments by David
311            Meyer.
312    
313    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315            * inst/doc/: Rewrote vignette.
316    
317            * man/: Improved documentation.
318    
319    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * man/: Updated documentation.
322    
323            * DESCRIPTION: Changed package name to "tm". Updated version to
324            0.1 for first CRAN release.
325    
326            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
327            list archive example.
328    
329            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
330            archive example.
331    
332            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
333            from (several mails per box) mbox format to (single mail per file)
334            eml format.
335    
336    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
337    
338            * data/crude.rda: Rebuilt.
339    
340            * data/acq.rda: Rebuilt.
341    
342            * R/reader.R: Factored out reader and parser methods from
343            textdoccol.R.
344    
345            * R/source.R: Factored out Source methods from aobjects.R and
346            textdoccol.R.
347            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
348            feeds.
349    
350            * R/textdoccol.R (DirSource): Added support for recursive
351            traversal of directories.
352    
353    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
354    
355            * R/textdoccol.R ([[): Loads the document corpus automatically
356            into memory upon access.
357            (tm_transform, tm_filter): Removed several checks whether the
358            document is already loaded ([[ ensures this now).
359            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
360            mailing list archive.
361    
362    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
363    
364            * R/aobjects.R (TextDocument): Is now a virtual class.
365            (Source): Is now a virtual class.
366    
367    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
368    
369            * R/textdoccol.R (c): Support for an arbitrary number of document
370            collections.
371    
372    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
373    
374            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
375            append_meta and remove_meta.
376    
377            * R/textdoccol.R: Removed modify_metadata method.
378    
379            * R/textrepo.R: Removed modify_metadata method.
380    
381            * R/textdoccol.R (remove_meta): Supports removal of document
382            collection metadata and document (= in data frame) metadata.
383    
384    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
385    
386            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
387    
388            * data/crude.rda: Rebuilt.
389    
390            * data/acq.rda: Rebuilt.
391    
392            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
393    
394            * R/textdoccol.R ([): Bug fix for subsetting a document
395            collection's data frame.
396    
397    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
398    
399            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
400            to s_filter.
401    
402            * R/textdoccol.R: Local text documents' metadata can now be copied
403            to a document collection's data frame with prescind_meta.
404    
405    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
406    
407            * R/: Text documents' slot metadata is now accessible in s_filter.
408    
409            * R/: Rewrote s_filter function (has still some restrictions).
410    
411    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * R/: Various fixes in handling metadata.
414    
415            * R/: Added update mechanism for text document collections.
416    
417    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
418    
419            * R/: Merging of document collections now creates a binary tree
420            for reconstructing merged document collections.
421    
422            * R/: Redesign of metadata for document collections.
423    
424    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
425    
426            * R/: Messages now use \code{ngettext}.
427    
428    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
429    
430            * R/: Added functions for modifying and removing metadata.
431    
432    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
433    
434            * man/: Updated some documentation.
435    
436            * R/: Corrected some connection issues.
437    
438            * inst/doc: Worked on the vignette.
439    
440    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
441    
442            * inst/: Added texts and started vignette.
443    
444            * R/: Final changes based upon David's comments.
445    
446    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
447    
448            * NAMESPACE: Corrected exports (generic methods need exportMethods
449            directives!).
450    
451    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
452    
453            * R/: Modified the TextDocCol constructur and various parsers. It
454            is now modular and supports various file formats via plugins (see
455            the new "Source" class).
456    
457    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
458    
459            * man/: Revised documentation after previous code changes.
460    
461    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
462    
463            * R/: Remaining changes as discussed with David.
464    
465    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
466    
467            * R/: Some changes as suggested by David. The rest will follow
468            within the next days.
469    
470    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
471    
472            * man/: Finished documentation.
473    
474    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
475    
476            * man/: Wrote some documentation.
477    
478    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
479    
480            * R/: Further syntactic sugar in form of additional assignment and
481            accessor methods.
482    
483    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
484    
485            * R/: Syntactic sugar in form of "length", "show" and "summary"
486            operators.
487    
488    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
489    
490            * R/: Diverse updates. Mainly on default operators ("[" or "c")
491            and dissimilarities.
492    
493    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
494    
495            * R/: Added similarity functions.
496    
497            * data/: Added english stopwords.
498    
499    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
500    
501            * data/: Examples compiled for new features
502    
503            * R/: Changes due to new structure.
504    
505            * NAMESPACE: Corrected namespace to reflect new structure.
506    
507            * R/termdocmatrix.R: Adapted for new naming scheme.
508    
509    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
510    
511            * R/textdoccol.R: Adapted code for new class structure. Wrote
512            several transform and filter functions operating on text document
513            collections (alias text document databases).
514    
515            * R/aobjects.R: Adapted class structure with inheritance,
516            repositories and additional meta data. Loading files on demand is
517            now possible.
518    
519    2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
520    
521            * R/: Some cosmetic cleanups.
522    
523            * inst/: Removed vignette on clustering. That and much more is now
524            described in the JSS paper on text mining. Based upon that
525            article an elaborated vignette will be incorporated in the future.
526    
527    2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
528    
529            * R/: Updated generic S4 methods to comply with signature changes
530            in newer versions of R (> 2.3)
531    
532    2006-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
533    
534            * ext/R/importRIS.R: Automatic RIS import is now possible.
535    
536    2006-02-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
537    
538            * R/textdoccol.R: Added RIS HTML input format.
539    
540    2006-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
541    
542            * R/textdoccol.R: Removed bug that caused invalid text document
543            collections when handling many input files.
544    
545    2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
546    
547            * R/textdoccol.R: Restructured and extended file import
548            mechanism.
549    
550            * inst/doc/clustering.Rnw: Adapted vignette for use with
551            ReutNews.rda
552    
553            * man/ReutNews.Rd: Documentation for ReutNews.rda
554    
555            * data/ReutNews.rda: A tiny Reuters21578 example data set.
556    
557    2005-12-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
558    
559            * inst/doc/clustering.Rnw: Wrote a small vignette to present the
560            clustering facilities of this package.
561    
562    2005-12-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
563    
564            * R/aobjects.R: Changed package document structure to avoid class
565            dependency problems.
566    
567    2005-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            *  Wrote a script for the ModLewis Split for the Reuters-21578 XML
570            data set.
571    
572            *  Finished documentation and reordered directory structure. Now "R
573            CMD check textmin" works without errors.
574    
575    2005-12-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
576    
577            * src/: Various splits can now be easily created for the
578            Reuters21578 data set.
579    
580    2005-12-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
581    
582            *  Updated documentation
583    
584    2005-11-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
585    
586            *  Wrote R documentation for some classes and methods.
587    
588    2005-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
589    
590            * R/textdoccol.R: Constructor of textdoccol allows import of CSV
591            files. See the questionnaire data/Umfrage.csv for such an example.
592            We are now able to import files in Reuters-21578 XML format.
593    
594            *  Changed class interfaces in various files. Weighting of the text
595            matrix is now possible.
596    
597    2005-11-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
598    
599            * R/textdoccol.R: One can build term-document matrices if
600            nessecary (with buildTDM(...)) and fill the field tdm from a text
601            document collection with it.
602    
603            * R/textmatrix.R: Wrote S4 class for term-document matrices.
604    
605  2005-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2005-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
606    
607          * R/textdoccol.R: We now can read in a whole XML file with several          * R/textdoccol.R: We now can read in a whole XML file with several

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