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trunk/tm/ChangeLog revision 807, Sat Jan 5 10:35:53 2008 UTC pkg/ChangeLog revision 1159, Tue Dec 6 15:11:45 2011 UTC
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1    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/matrix.R (termFreq): Allow reordering of control option
4            processing.
5    
6    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
9            pdfinfo tool.
10    
11            * inst/stopwords/SMART.dat: Add SMART information retrieval system
12            stopwords (which are also used by the MC toolkit).
13    
14            * R/matrix (termFreq): Allow local option \code{bounds$local} to
15            restrict how often a term may appear in each document (generalizes
16            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
17            for word length bounds (generalizes \code{minWordLength}).
18    
19            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
20            \code{bounds$global} for restricting how often a term is allowed
21            to appear in different documents.
22    
23            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
24            local options delegated internally to termFreq() and global
25            options which are processed by the term-document matrix
26            constructor itself.
27    
28    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
29    
30            * man/getTokenizers.Rd: Document getTokenizers().
31    
32            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
33    
34    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
35    
36            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
37    
38            * man/combine.Rd: Document c.term_frequency().
39    
40    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
43            can be accessed via '[' and not '[['.
44    
45    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/stopwords.R (stopwords): Raise an error if no stopwords are
48            available for requested language. Suggested by Derek M Jones.
49    
50    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
53            normalization.
54    
55    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/transform.R (stemDocument.PlainTextDocument): Use language
58            argument.
59    
60    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/source.R: Store strings and connections instead of unevaluated
63            calls.
64    
65    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
68    
69    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
72            (instead of a list element).
73    
74    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
77            documents by names (fallback to IDs if names are not set).
78    
79    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
80    
81            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
82            \code{recursive} now determines whether existing corpus meta data
83            is used.
84    
85    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
88    
89    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
90    
91            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
92            remove terms not occurring in the corpus anymore.
93    
94    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
95    
96            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
97            and Heaps' law.
98    
99    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
100    
101            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
102            provided by a source.
103    
104    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
105    
106            * R/source.R (.Source): Provide document names.
107    
108    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/meta.R (`content_or_meta`): Utility function.
111    
112    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
115            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
116    
117    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/weight.R (weightTfIdf): Added normalization option.
120    
121            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
122            analysis.
123    
124    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/score.R (tm_tag_score): Compute a score from the number of
127            tags matching in a document.
128    
129    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/complete.R (stemCompletion): New completion heuristics.
132    
133    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
136    
137    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
138    
139            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
140            setOldClass(c(..., "list")) works.
141    
142    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/transform.R (stemDocument.character): In case input is a
145            simple character just delegate to the default Snowball stemmer.
146    
147    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
150            data.
151    
152    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/doc.R (`Content<-`): Be careful with names attribute.
155    
156    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
157    
158            * R/source.R (DirSource): Improved implementation especially when
159            handling many (> 1M) files.
160    
161    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/source.R (getElem.URISource): Use encoding argument.
164    
165    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/doc.R (setOldClass): Register S3 document classes to be
168            recognized by S4 methods.
169    
170    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
171    
172            * R/matrix.R (termFreq): Add option to remove punctuation
173            characters.
174    
175    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
178            merging multiple term-document matrices.
179    
180    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
181    
182            * R/corpus.R (setOldClass): Register S3 corpus classes to be
183            recognized by S4 methods.
184    
185            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
186            that CRAN Mac OS X builds do not fail any longer.
187    
188    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
189    
190            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
191            of RWeka:AlphabeticTokenizer() as default.
192    
193    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
194    
195            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
196            caused words at the beginning or the end of a line not to be removed. Do
197            not delete whitespace anymore.
198    
199    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/source.R (DirSource): Default to working directory if no path
202            is specified.
203    
204    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
205    
206            * R/source.R (DirSource): Stop on empty directories.
207    
208    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
209    
210            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
211            named documents.
212    
213    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
214    
215            * R/transform.R (removeWords): Improve regular expressions.
216    
217    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
218    
219            * R/meta.R (DublinCore): Allow lower case tags.
220    
221    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
222    
223            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
224            instead of x$children.
225    
226    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
227    
228            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
229    
230    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
231    
232            * R/: Use S3 instead of S4 class system.
233    
234    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/reader.R (readMail): Moved to tm.plugin.mail package.
237    
238    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
239    
240            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
241            postings are basically e-mails with some extra headers.
242    
243    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
244    
245            * R/transform.R: Move convertMboxEml, removeCitation,
246            removeMultipart, and removeSignature to the tm.plugin.mail package
247            since they are mainly utility functions (for handling e-mails) and
248            not very framework specific.
249    
250    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
251    
252            * man/: Fix documentation.
253    
254    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
255    
256            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
257            plain text document instead of an XML document for texts of the
258            Reuters-21578 dataset.
259    
260            * R/sparse.R: Removed since the slam package is now available on
261            CRAN.
262    
263            * DESCRIPTION (Depends): Add slam package.
264    
265    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/transform.R (stemDoc): Fix character(0) handling.
268    
269    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
270    
271            * R/doc.R (show): Pretty print.
272    
273    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
274    
275            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
276            gracefully.
277    
278    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
279    
280            * R/corpus.R: Make corpus virtual. Implement corpus with standard
281            and permanent storage semantics.
282    
283            * DESCRIPTION: New major release. A *lot* of improvements.
284    
285    2009-05-04   Ingo Feinerer <feinerer@logic.at>
286    
287            * NAMESPACE: Export some simple_triplet_matrix functions.
288    
289    2009-04-28   Ingo Feinerer <feinerer@logic.at>
290    
291            * R/weight.R: Adapt tf-idf to new matrix format.
292    
293    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
294    
295            * R/matrix.R: Create two distinct classes for term-document and
296            document-term matrices.
297    
298    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
299    
300            * R/termdocmatrix.R: No longer use Matrix package. This reduces
301            package start-up time significantly.
302    
303    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
304    
305            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
306    
307    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
308    
309            * R/transform.R (tmReduce): Combine multiple maps into one
310            transformation.
311    
312    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/weight.R: Remove weightLogical since it does not return a
315            dgCMatrix.
316    
317            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
318            or TermDocumentMatrix instead.
319    
320    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
321    
322            * inst/doc/extensions.Rnw: Finished vignette.
323    
324    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
325    
326            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
327            DocumentTermMatrix representations.
328    
329    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
330    
331            * R/reader.R (readXML): New reader for arbitrary XML files.
332    
333    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
334    
335            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
336            (XMLSource): New XMLSource class for arbitrary XML files.
337            (Source): New slot Vectorized.
338    
339    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
340    
341            * R/reader.R (readTabular): Experimental reader for tabular data
342            structures which can be customized via user-defined mappings.
343    
344            * R/reader.R: Always use UTC time zone.
345    
346            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
347    
348    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
349    
350            * R/reader.R (readDOC): Options can be passed over to antiword.
351    
352            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
353            pdftotext.
354    
355    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
356    
357            * R/source.R (DirSource): Add pattern and ignore.case arguments
358            which are internally passed over to list.files().
359    
360    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
361    
362            * inst/doc/tm.Rnw: Suppress pointless loading message.
363    
364    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
365    
366            * DESCRIPTION: Speed up package loading (via moving packages not
367            strictly necessary for normal operation to Suggests instead of
368            Depends).
369    
370    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
371    
372            * R/reader.R (readNewsgroup): The date format is now configurable.
373    
374    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
375    
376            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
377    
378    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
379    
380            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
381    
382    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
383    
384            * R/source.R (DataframeSource): New source class for data frames.
385    
386            * R/source.R: Fixed non-standard call evaluation.
387    
388    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
389    
390            * R/source.R (URISource): New source class for a single document.
391    
392    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
393    
394            * R/source.R: Refactoring.
395    
396    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
397    
398            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
399            Rmpi installations more gracefully.
400    
401    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
402    
403            * R/source.R (Source): Add Length slot.
404    
405    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
406    
407            * R/AAA.R: Unify duplicated .onLoad function.
408    
409    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
410    
411            * DESCRIPTION (Suggests): Added Rmpi.
412    
413    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
414    
415            * R/source.R (getElem): Fix 'no visible binding' warning.
416    
417            * man/WeightFunction.Rd: Fix signature.
418    
419    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
420    
421            * R/weight.R: Introduce name abbreviations for weighting functions.
422    
423    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
424    
425            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
426    
427            * R/cluster.R: Provide convenience functions for using a MPI
428            cluster.
429    
430            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
431            available.
432    
433            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
434            available.
435    
436    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
437    
438            * R/textdoccol.R (lapply): Removed debug print out.
439    
440    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
441    
442            * R/reader.R (readRCV1): Improved meta data extraction from
443            Reuters Corpus Volume 1 documents.
444    
445    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
446    
447            * R/transform.R: Ensure that all mappings preserve multiline
448            structures.
449    
450    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
451    
452            * R/filter.R: Every filter has now an attribute indicating whether
453            it sould be applied to document level (doclevel).
454    
455            * R/textdoccol.R (tmFilter): Set searchFullText as new default
456            filter.
457    
458    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
459    
460            * R/transform.R (replacePatterns): Replaced removeWords by
461            replacePatterns. Suggested by Christian Buchta.
462    
463            * R/textdoccol.R (inspect): Improved formatting.
464    
465    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
466    
467            * inst/CITATION: Updated JSS article information.
468    
469            * R/textdoccol.R (setAs): Added coerce method from list to
470            corpus.
471    
472            * R/meta.R (meta): Improved meta data handling.
473    
474    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
475    
476            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
477            Christian Buchta.
478    
479            * inst/CITATION: Added template to include JSS article reference.
480    
481    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * R/textdoccol.R (tmMap): Introduced lazy mapping.
484    
485            * R/source.R: Added VectorSource.
486    
487    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
488    
489            * man/: Language codes should be in ISO 639-1 format.
490    
491            * R/textdoccol.R (asPlain): Preserve local meta data.
492    
493    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
494    
495            * R/textdoccol.R (writeCorpus): Function for writing a corpus
496            containing plain text documents to disk.
497    
498    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
499    
500            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
501            always set correctly.
502    
503            * R/textdoccol.R: Set load = TRUE as default for load on demand
504            since in most cases this is the wanted behaviour.
505    
506    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
507    
508            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
509    
510            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
511    
512    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
513    
514            * R/meta.R (meta): New function for consistent access to meta data
515            of document collections, repositories, and texts.
516    
517    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
518    
519            * R/: Better support for encodings.
520    
521    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
522    
523            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
524            selection when no reader argument is given.
525    
526  2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
527    
528          * R/source.R (CSVSource): Now uses read.csv instead of scan          * R/source.R (CSVSource): Now uses read.csv instead of scan

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