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trunk/tm/ChangeLog revision 788, Sun Oct 14 12:16:26 2007 UTC pkg/ChangeLog revision 1147, Tue Oct 11 15:41:49 2011 UTC
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1    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
4            can be accessed via '[' and not '[['.
5    
6    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/stopwords.R (stopwords): Raise an error if no stopwords are
9            available for requested language. Suggested by Derek M Jones.
10    
11    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
14            normalization.
15    
16    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/transform.R (stemDocument.PlainTextDocument): Use language
19            argument.
20    
21    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/source.R: Store strings and connections instead of unevaluated
24            calls.
25    
26    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
29    
30    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
33            (instead of a list element).
34    
35    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
38            documents by names (fallback to IDs if names are not set).
39    
40    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
43            \code{recursive} now determines whether existing corpus meta data
44            is used.
45    
46    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
49    
50    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
53            remove terms not occurring in the corpus anymore.
54    
55    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
58            and Heaps' law.
59    
60    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
63            provided by a source.
64    
65    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/source.R (.Source): Provide document names.
68    
69    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/meta.R (`content_or_meta`): Utility function.
72    
73    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
76            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
77    
78    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/weight.R (weightTfIdf): Added normalization option.
81    
82            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
83            analysis.
84    
85    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/score.R (tm_tag_score): Compute a score from the number of
88            tags matching in a document.
89    
90    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
91    
92            * R/complete.R (stemCompletion): New completion heuristics.
93    
94    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
95    
96            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
97    
98    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
99    
100            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
101            setOldClass(c(..., "list")) works.
102    
103    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
104    
105            * R/transform.R (stemDocument.character): In case input is a
106            simple character just delegate to the default Snowball stemmer.
107    
108    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
111            data.
112    
113    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
114    
115            * R/doc.R (`Content<-`): Be careful with names attribute.
116    
117    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
118    
119            * R/source.R (DirSource): Improved implementation especially when
120            handling many (> 1M) files.
121    
122    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
123    
124            * R/source.R (getElem.URISource): Use encoding argument.
125    
126    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/doc.R (setOldClass): Register S3 document classes to be
129            recognized by S4 methods.
130    
131    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/matrix.R (termFreq): Add option to remove punctuation
134            characters.
135    
136    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
139            merging multiple term-document matrices.
140    
141    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/corpus.R (setOldClass): Register S3 corpus classes to be
144            recognized by S4 methods.
145    
146            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
147            that CRAN Mac OS X builds do not fail any longer.
148    
149    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
150    
151            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
152            of RWeka:AlphabeticTokenizer() as default.
153    
154    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
155    
156            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
157            caused words at the beginning or the end of a line not to be removed. Do
158            not delete whitespace anymore.
159    
160    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/source.R (DirSource): Default to working directory if no path
163            is specified.
164    
165    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/source.R (DirSource): Stop on empty directories.
168    
169    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
172            named documents.
173    
174    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
175    
176            * R/transform.R (removeWords): Improve regular expressions.
177    
178    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
179    
180            * R/meta.R (DublinCore): Allow lower case tags.
181    
182    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
183    
184            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
185            instead of x$children.
186    
187    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
190    
191    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
192    
193            * R/: Use S3 instead of S4 class system.
194    
195    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
196    
197            * R/reader.R (readMail): Moved to tm.plugin.mail package.
198    
199    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
202            postings are basically e-mails with some extra headers.
203    
204    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
205    
206            * R/transform.R: Move convertMboxEml, removeCitation,
207            removeMultipart, and removeSignature to the tm.plugin.mail package
208            since they are mainly utility functions (for handling e-mails) and
209            not very framework specific.
210    
211    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
212    
213            * man/: Fix documentation.
214    
215    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
216    
217            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
218            plain text document instead of an XML document for texts of the
219            Reuters-21578 dataset.
220    
221            * R/sparse.R: Removed since the slam package is now available on
222            CRAN.
223    
224            * DESCRIPTION (Depends): Add slam package.
225    
226    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
227    
228            * R/transform.R (stemDoc): Fix character(0) handling.
229    
230    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
231    
232            * R/doc.R (show): Pretty print.
233    
234    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
237            gracefully.
238    
239    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
240    
241            * R/corpus.R: Make corpus virtual. Implement corpus with standard
242            and permanent storage semantics.
243    
244            * DESCRIPTION: New major release. A *lot* of improvements.
245    
246    2009-05-04   Ingo Feinerer <feinerer@logic.at>
247    
248            * NAMESPACE: Export some simple_triplet_matrix functions.
249    
250    2009-04-28   Ingo Feinerer <feinerer@logic.at>
251    
252            * R/weight.R: Adapt tf-idf to new matrix format.
253    
254    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
255    
256            * R/matrix.R: Create two distinct classes for term-document and
257            document-term matrices.
258    
259    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
260    
261            * R/termdocmatrix.R: No longer use Matrix package. This reduces
262            package start-up time significantly.
263    
264    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
265    
266            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
267    
268    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
269    
270            * R/transform.R (tmReduce): Combine multiple maps into one
271            transformation.
272    
273    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
274    
275            * R/weight.R: Remove weightLogical since it does not return a
276            dgCMatrix.
277    
278            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
279            or TermDocumentMatrix instead.
280    
281    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
282    
283            * inst/doc/extensions.Rnw: Finished vignette.
284    
285    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
286    
287            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
288            DocumentTermMatrix representations.
289    
290    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
291    
292            * R/reader.R (readXML): New reader for arbitrary XML files.
293    
294    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
295    
296            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
297            (XMLSource): New XMLSource class for arbitrary XML files.
298            (Source): New slot Vectorized.
299    
300    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
301    
302            * R/reader.R (readTabular): Experimental reader for tabular data
303            structures which can be customized via user-defined mappings.
304    
305            * R/reader.R: Always use UTC time zone.
306    
307            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
308    
309    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
310    
311            * R/reader.R (readDOC): Options can be passed over to antiword.
312    
313            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
314            pdftotext.
315    
316    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
317    
318            * R/source.R (DirSource): Add pattern and ignore.case arguments
319            which are internally passed over to list.files().
320    
321    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
322    
323            * inst/doc/tm.Rnw: Suppress pointless loading message.
324    
325    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
326    
327            * DESCRIPTION: Speed up package loading (via moving packages not
328            strictly necessary for normal operation to Suggests instead of
329            Depends).
330    
331    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
332    
333            * R/reader.R (readNewsgroup): The date format is now configurable.
334    
335    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
338    
339    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
340    
341            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
342    
343    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
344    
345            * R/source.R (DataframeSource): New source class for data frames.
346    
347            * R/source.R: Fixed non-standard call evaluation.
348    
349    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
350    
351            * R/source.R (URISource): New source class for a single document.
352    
353    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
354    
355            * R/source.R: Refactoring.
356    
357    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
358    
359            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
360            Rmpi installations more gracefully.
361    
362    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
363    
364            * R/source.R (Source): Add Length slot.
365    
366    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
367    
368            * R/AAA.R: Unify duplicated .onLoad function.
369    
370    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
371    
372            * DESCRIPTION (Suggests): Added Rmpi.
373    
374    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
375    
376            * R/source.R (getElem): Fix 'no visible binding' warning.
377    
378            * man/WeightFunction.Rd: Fix signature.
379    
380    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
381    
382            * R/weight.R: Introduce name abbreviations for weighting functions.
383    
384    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
385    
386            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
387    
388            * R/cluster.R: Provide convenience functions for using a MPI
389            cluster.
390    
391            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
392            available.
393    
394            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
395            available.
396    
397    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
398    
399            * R/textdoccol.R (lapply): Removed debug print out.
400    
401    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
402    
403            * R/reader.R (readRCV1): Improved meta data extraction from
404            Reuters Corpus Volume 1 documents.
405    
406    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
407    
408            * R/transform.R: Ensure that all mappings preserve multiline
409            structures.
410    
411    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * R/filter.R: Every filter has now an attribute indicating whether
414            it sould be applied to document level (doclevel).
415    
416            * R/textdoccol.R (tmFilter): Set searchFullText as new default
417            filter.
418    
419    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
420    
421            * R/transform.R (replacePatterns): Replaced removeWords by
422            replacePatterns. Suggested by Christian Buchta.
423    
424            * R/textdoccol.R (inspect): Improved formatting.
425    
426    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
427    
428            * inst/CITATION: Updated JSS article information.
429    
430            * R/textdoccol.R (setAs): Added coerce method from list to
431            corpus.
432    
433            * R/meta.R (meta): Improved meta data handling.
434    
435    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
436    
437            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
438            Christian Buchta.
439    
440            * inst/CITATION: Added template to include JSS article reference.
441    
442    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
443    
444            * R/textdoccol.R (tmMap): Introduced lazy mapping.
445    
446            * R/source.R: Added VectorSource.
447    
448    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
449    
450            * man/: Language codes should be in ISO 639-1 format.
451    
452            * R/textdoccol.R (asPlain): Preserve local meta data.
453    
454    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
455    
456            * R/textdoccol.R (writeCorpus): Function for writing a corpus
457            containing plain text documents to disk.
458    
459    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
460    
461            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
462            always set correctly.
463    
464            * R/textdoccol.R: Set load = TRUE as default for load on demand
465            since in most cases this is the wanted behaviour.
466    
467    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
468    
469            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
470    
471            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
472    
473    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * R/meta.R (meta): New function for consistent access to meta data
476            of document collections, repositories, and texts.
477    
478    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
479    
480            * R/: Better support for encodings.
481    
482    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
483    
484            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
485            selection when no reader argument is given.
486    
487    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
488    
489            * R/source.R (CSVSource): Now uses read.csv instead of scan
490            internally.
491    
492    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
493    
494            * R/reader.R (getReaders): Returns available reader functions.
495    
496            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
497            as default.
498    
499    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
500    
501            * R/stopwords.R (stopwords): Shortened code, removed codetools
502            variable warnings.
503    
504            * man/: Documentation for showMeta, added an example for tmMap.
505    
506            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
507            some minor typos fixed.
508    
509    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
510    
511            * R/aobjects.R (showMeta): Added method for pretty printing a
512            text document's meta data.
513    
514    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * R/textdoccol.R (TextDocCol): Better handling of empty
517            arguments.
518    
519            * NAMESPACE: Exported readDOC.
520    
521            * man/completeStems.Rd: Added an example.
522    
523    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
524    
525            * R/stopwords.R (stopwords): Look up .dat files at every
526            call. Allows users to modify stopword .dat files interactively.
527    
528    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
529    
530            * R/termdocmatrix.R (termFreq): Correct processing of empty
531            documents.
532    
533    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
534    
535            * man/: Updated documentation.
536    
537    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
538    
539            * R/complete.R (completeStems): Completes (heuristically) word
540            stems.
541    
542            * R/termdocmatrix.R (TermDocMatrix2): New modular
543            constructor.
544    
545            * NAMESPACE: Exported termFreq.
546    
547    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
548    
549            * R/reader.R (readDOC): Added MS Word reader (using antiword).
550    
551  2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
552    
553          * R/weight.R: Weighting functions for TermDocMatrix.          * R/weight.R: Weighting functions for TermDocMatrix.

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