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trunk/R/textmin/ChangeLog revision 53, Thu Aug 24 13:06:50 2006 UTC trunk/tm/ChangeLog revision 816, Thu Jan 24 14:36:41 2008 UTC
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1    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
4    
5            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
6    
7    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
8    
9            * R/meta.R (meta): New function for consistent access to meta data
10            of document collections, repositories, and texts.
11    
12    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * R/: Better support for encodings.
15    
16    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
19            selection when no reader argument is given.
20    
21    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * R/source.R (CSVSource): Now uses read.csv instead of scan
24            internally.
25    
26    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/reader.R (getReaders): Returns available reader functions.
29    
30            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
31            as default.
32    
33    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
34    
35            * R/stopwords.R (stopwords): Shortened code, removed codetools
36            variable warnings.
37    
38            * man/: Documentation for showMeta, added an example for tmMap.
39    
40            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
41            some minor typos fixed.
42    
43    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * R/aobjects.R (showMeta): Added method for pretty printing a
46            text document's meta data.
47    
48    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/textdoccol.R (TextDocCol): Better handling of empty
51            arguments.
52    
53            * NAMESPACE: Exported readDOC.
54    
55            * man/completeStems.Rd: Added an example.
56    
57    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/stopwords.R (stopwords): Look up .dat files at every
60            call. Allows users to modify stopword .dat files interactively.
61    
62    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/termdocmatrix.R (termFreq): Correct processing of empty
65            documents.
66    
67    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * man/: Updated documentation.
70    
71    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * R/complete.R (completeStems): Completes (heuristically) word
74            stems.
75    
76            * R/termdocmatrix.R (TermDocMatrix2): New modular
77            constructor.
78    
79            * NAMESPACE: Exported termFreq.
80    
81    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/reader.R (readDOC): Added MS Word reader (using antiword).
84    
85    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
86    
87            * R/weight.R: Weighting functions for TermDocMatrix.
88    
89    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
92            functions for accessing dimension, column, and row names.
93    
94            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
95    
96    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
99    
100    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
103    
104    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/reader.R (readPDF): Removed manual checks for pdftotext and
107            pdfinfo. The system call gives a warning anyway.
108    
109    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/textdoccol.R (asPlain): Conversion from
112            StructuredTextDocuments to PlainTextDocuments.
113    
114    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
117            for accessing term-document matrices.
118    
119            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
120            are installed.
121    
122    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
125            Christian Buchta.
126    
127    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
130    
131    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
134    
135            * R/reader.R (readPDF): Added PDF reader.
136    
137    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
140    
141            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
142    
143            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
144    
145            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
146    
147    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * R/distmeasure.R (dissimilarity): Replaced dists call from
150            package cba by new dist call from package proxy.
151    
152    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
155    
156    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
157    
158            * R/termdocmatrix.R: require() uses the quietly option to suppress
159            loading messages.
160    
161    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * R/dictionary.R: Added dictionary support.
164    
165    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
168            documents. This simplifies some functions, e.g., asPlain.
169    
170    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * inst/doc/tm.Rnw: Fixed some typos in vignette.
173    
174    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * R/textdoccol.R (replaceWords): Added method to replace a set of
177            words by a single word. Useful for synonyms.
178    
179    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
182    
183    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
184    
185            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
186            vectors. Thanks to Ariel Maguyon for his error report.
187            (removeSparseTerms): New function to remove columns from a
188            term-document matrix exceeding a sparse factor.
189    
190    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
193    
194    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * man/sFilter.Rd: Corrected documentation on statement format (use
197            '==' instead of '=').
198    
199    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * R/aobjects.R (StructuredTextDocument): Inherits from
202            TextDocument.
203    
204    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
207            on sparse matrices as proposed by Martin Maechler.
208    
209    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
210    
211            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
212            \pkg{filehash} version makes them deprecated.
213    
214    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
215    
216            * R/termdocmatrix.R (textvector): Stemming is now performed before
217            erasing stopwords.
218            (weightMatrix): Adapted to handle sparse matrices.
219            (TermDocMatrix): Sparse matrix is now efficiently built by
220            direct stepwise insertion of row values into it.
221    
222    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
225            due to ongoing problems. For our purposes the latter is as useful
226            as the replaced package.
227    
228    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
231    
232            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
233    
234    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
237            languages with available stopwords.
238    
239    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
240    
241            * inst/doc/tm.Rnw: Minor corrections in the vignette.
242    
243    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
244    
245            * DESCRIPTION: Update to version 0.2, since a lot of new features
246            have been integrated.
247    
248            * inst/stopwords: Updated existing stopwords and added stopwords
249            for various other languages.
250    
251    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * man/: Updated documentation.
254    
255            * Work/testDb.R: Script to test database stuff.
256    
257            * R/: Fixed various database related bugs. Seems to be rather
258            useable now, i.e., consider as alpha status for now.
259    
260    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/: Fixed some bugs related to database support.
263    
264    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * man/: Added a lot of examples to the manuals.
267    
268    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * man/: Updated parts of the documentation.
271    
272            * R/textdoccol.R (asPlain): Added conversion from newsgroup
273            documents to plain text documents.
274    
275    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
276    
277            * R/textdoccol.R: Finished experimental database support. Not yet
278            intensively tested.
279    
280            * R/source.R: Now each source has a default reader.
281    
282            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
283            class anymore.
284    
285            * R/plaintextdoc.R: Custom show method for plain text documents.
286    
287            * R/aobjects.R: Added a class for structured text documents.
288    
289            * R/reader.R: Replaced remaining \code{parser} occurrences with
290            \code{reader}.
291    
292            * R/textdoccol.R (summary): Indent tags.
293    
294            * R/textdoccol.R (removePunctuation): Transform method to remove
295            punctuation marks.
296    
297    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
298    
299            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
300            using prescindMeta().
301    
302    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
303    
304            * R/textdoccol.R: Improved database support.
305    
306    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
307    
308            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
309    
310            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
311            language code.
312    
313            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
314            into parserControl argument.
315    
316            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
317    
318    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
319    
320            * Work/tmDataSetup.R: The datasets acq and crude can now be
321            created on the fly.
322    
323            * R/stopwords.R: Introduced a function returning the stopwords for
324            a given language (English, German and French at the moment)
325    
326            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
327            otherwise falls back to Snowball package.
328    
329    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
330    
331            * man/dissimilarity-methods.Rd: Make clear that any method offered
332            by "dists" from package "cba" can be used.
333    
334    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
335    
336            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
337            to Kurt's latex suggestion. Removed points and underscores in
338            variable names for consistent naming.
339    
340            * DESCRIPTION: Update to version 0.1-2.
341    
342            * man/TextRepository.Rd: Fixed bug in documentation.
343    
344    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
345    
346            * DESCRIPTION: Update to version 0.1-1.
347    
348    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
349    
350            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
351            wordStem.
352    
353    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
354    
355            * R/: Changes due to Kurt's review.
356    
357    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
358    
359            * R/: Implemented improvements based upon comments by David
360            Meyer.
361    
362    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
363    
364            * inst/doc/: Rewrote vignette.
365    
366            * man/: Improved documentation.
367    
368    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
369    
370            * man/: Updated documentation.
371    
372            * DESCRIPTION: Changed package name to "tm". Updated version to
373            0.1 for first CRAN release.
374    
375            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
376            list archive example.
377    
378            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
379            archive example.
380    
381            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
382            from (several mails per box) mbox format to (single mail per file)
383            eml format.
384    
385    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
386    
387            * data/crude.rda: Rebuilt.
388    
389            * data/acq.rda: Rebuilt.
390    
391            * R/reader.R: Factored out reader and parser methods from
392            textdoccol.R.
393    
394            * R/source.R: Factored out Source methods from aobjects.R and
395            textdoccol.R.
396            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
397            feeds.
398    
399            * R/textdoccol.R (DirSource): Added support for recursive
400            traversal of directories.
401    
402    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
403    
404            * R/textdoccol.R ([[): Loads the document corpus automatically
405            into memory upon access.
406            (tm_transform, tm_filter): Removed several checks whether the
407            document is already loaded ([[ ensures this now).
408            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
409            mailing list archive.
410    
411    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * R/aobjects.R (TextDocument): Is now a virtual class.
414            (Source): Is now a virtual class.
415    
416    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/textdoccol.R (c): Support for an arbitrary number of document
419            collections.
420    
421    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
422    
423            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
424            append_meta and remove_meta.
425    
426            * R/textdoccol.R: Removed modify_metadata method.
427    
428            * R/textrepo.R: Removed modify_metadata method.
429    
430            * R/textdoccol.R (remove_meta): Supports removal of document
431            collection metadata and document (= in data frame) metadata.
432    
433    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
434    
435            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
436    
437            * data/crude.rda: Rebuilt.
438    
439            * data/acq.rda: Rebuilt.
440    
441            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
442    
443            * R/textdoccol.R ([): Bug fix for subsetting a document
444            collection's data frame.
445    
446    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
447    
448            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
449            to s_filter.
450    
451            * R/textdoccol.R: Local text documents' metadata can now be copied
452            to a document collection's data frame with prescind_meta.
453    
454    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * R/: Text documents' slot metadata is now accessible in s_filter.
457    
458            * R/: Rewrote s_filter function (has still some restrictions).
459    
460    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
461    
462            * R/: Various fixes in handling metadata.
463    
464            * R/: Added update mechanism for text document collections.
465    
466    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
467    
468            * R/: Merging of document collections now creates a binary tree
469            for reconstructing merged document collections.
470    
471            * R/: Redesign of metadata for document collections.
472    
473    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * R/: Messages now use \code{ngettext}.
476    
477    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
478    
479            * R/: Added functions for modifying and removing metadata.
480    
481    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * man/: Updated some documentation.
484    
485            * R/: Corrected some connection issues.
486    
487            * inst/doc: Worked on the vignette.
488    
489    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
490    
491            * inst/: Added texts and started vignette.
492    
493            * R/: Final changes based upon David's comments.
494    
495    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
496    
497            * NAMESPACE: Corrected exports (generic methods need exportMethods
498            directives!).
499    
500    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
501    
502            * R/: Modified the TextDocCol constructur and various parsers. It
503            is now modular and supports various file formats via plugins (see
504            the new "Source" class).
505    
506    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
507    
508            * man/: Revised documentation after previous code changes.
509    
510    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
511    
512            * R/: Remaining changes as discussed with David.
513    
514    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * R/: Some changes as suggested by David. The rest will follow
517            within the next days.
518    
519    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
520    
521            * man/: Finished documentation.
522    
523    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
524    
525            * man/: Wrote some documentation.
526    
527    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
528    
529            * R/: Further syntactic sugar in form of additional assignment and
530            accessor methods.
531    
532    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
533    
534            * R/: Syntactic sugar in form of "length", "show" and "summary"
535            operators.
536    
537  2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
538    
539          * R/: Diverse updates. Mainly on default operators ("[" or "c")          * R/: Diverse updates. Mainly on default operators ("[" or "c")

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