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revision 911, Sun Mar 22 17:55:16 2009 UTC revision 1279, Tue Jan 7 06:29:58 2014 UTC
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1    2014-01-07  Ingo Feinerer <feinerer@logic.at>
2    
3            * DESCRIPTION (Version): Prepare for CRAN New Year release.
4    
5    2014-01-05  Ingo Feinerer <feinerer@logic.at>
6    
7            * R/matrix.R (findAssocs): Allow multiple and non-existing terms.
8            Suggested by Christian Buchta.
9    
10            * R/source.R (is.Source): New check for valid source.
11    
12    2013-12-28  Ingo Feinerer <feinerer@logic.at>
13    
14            * R/matrix.R (findAssocs): Make corlimit inclusive.
15    
16    2013-09-27  Ingo Feinerer <feinerer@logic.at>
17    
18            * R/source.R: Allow multiple URIs for URISource.
19    
20    2013-09-19  Ingo Feinerer <feinerer@logic.at>
21    
22            * R/source.R (Source): New Source constructor.
23    
24    2013-08-26  Ingo Feinerer <feinerer@logic.at>
25    
26            * R/source.R (DirSource): Report non-existent or non-readable files.
27            Suggested by Ajinkya Kale and Milan Bouchet-Valat.
28    
29    2013-08-19  Ingo Feinerer <feinerer@logic.at>
30    
31            * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
32            anymore.
33    
34            * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
35            anymore.
36    
37    2013-08-09  Ingo Feinerer <feinerer@logic.at>
38    
39            * DESCRIPTION (License): Changed to GPL-3.
40    
41    2013-07-25  Ingo Feinerer <feinerer@logic.at>
42    
43            * R/complete.R (stemCompletion): Report NA instead of error when no
44            completion can be found by the prevalent heuristic. Suggested by Hugh
45            Devlin.
46    
47    2013-07-10  Ingo Feinerer <feinerer@logic.at>
48    
49            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
50            command line tool) instead of tools:::pdf_info().
51    
52    2013-04-11  Ingo Feinerer <feinerer@logic.at>
53    
54            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
55            to determine character types.
56    
57    2012-12-14  Ingo Feinerer <feinerer@logic.at>
58    
59            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
60            when generating a simple_triplet_matrix. Reported by Arho Suominen.
61    
62    2012-12-10  Ingo Feinerer <feinerer@logic.at>
63    
64            * man/tm_reduce.Rd: Document right to left folding order. Adapt
65            example as well. Suggested by Mark Rosenstein.
66    
67    2012-12-04  Ingo Feinerer <feinerer@logic.at>
68    
69            * R/filter.R (sFilter): Avoid attach() and simplify.
70    
71    2012-11-02  Ingo Feinerer <feinerer@logic.at>
72    
73            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
74            removal of attributes.
75    
76    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
77    
78            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
79            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
80            Frölich.
81    
82    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
83    
84            * R/transform.R (removeWords): Allow longer stopword lists.
85    
86    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/reader.R (readXML): Readers can now set the document language
89            themselves.
90    
91    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
94            proposed by Milan Bouchet-Valat.
95    
96    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/matrix.R (termFreq): Fix processing of user provided
99            stopwords. Reported by Bettina Grün.
100    
101    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
102    
103            * R/matrix.R (termFreq): Fix invalid handling of
104            control$wordLengths[1]. Reported by Steven C. Bagley.
105    
106    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
107    
108            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
109    
110    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
113    
114    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
115    
116            * R/transform.R (removePunctuation): Add option to preserve
117            intra-word dashes.
118    
119    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
120    
121            * R/matrix.R (termFreq): Allow reordering of control option
122            processing.
123    
124    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
127            pdfinfo tool.
128    
129            * inst/stopwords/SMART.dat: Add SMART information retrieval system
130            stopwords (which are also used by the MC toolkit).
131    
132            * R/matrix (termFreq): Allow local option \code{bounds$local} to
133            restrict how often a term may appear in each document (generalizes
134            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
135            for word length bounds (generalizes \code{minWordLength}).
136    
137            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
138            \code{bounds$global} for restricting how often a term is allowed
139            to appear in different documents.
140    
141            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
142            local options delegated internally to termFreq() and global
143            options which are processed by the term-document matrix
144            constructor itself.
145    
146    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
147    
148            * man/getTokenizers.Rd: Document getTokenizers().
149    
150            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
151    
152    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
153    
154            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
155    
156            * man/combine.Rd: Document c.term_frequency().
157    
158    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
159    
160            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
161            can be accessed via '[' and not '[['.
162    
163    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
164    
165            * R/stopwords.R (stopwords): Raise an error if no stopwords are
166            available for requested language. Suggested by Derek M Jones.
167    
168    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
169    
170            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
171            normalization.
172    
173    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
174    
175            * R/transform.R (stemDocument.PlainTextDocument): Use language
176            argument.
177    
178    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
179    
180            * R/source.R: Store strings and connections instead of unevaluated
181            calls.
182    
183    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
184    
185            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
186    
187    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
190            (instead of a list element).
191    
192    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
193    
194            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
195            documents by names (fallback to IDs if names are not set).
196    
197    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
198    
199            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
200            \code{recursive} now determines whether existing corpus meta data
201            is used.
202    
203    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
204    
205            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
206    
207    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
210            remove terms not occurring in the corpus anymore.
211    
212    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
213    
214            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
215            and Heaps' law.
216    
217    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
218    
219            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
220            provided by a source.
221    
222    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
223    
224            * R/source.R (.Source): Provide document names.
225    
226    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
227    
228            * R/meta.R (`content_or_meta`): Utility function.
229    
230    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
231    
232            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
233            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
234    
235    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
236    
237            * R/weight.R (weightTfIdf): Added normalization option.
238    
239            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
240            analysis.
241    
242    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/score.R (tm_tag_score): Compute a score from the number of
245            tags matching in a document.
246    
247    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
248    
249            * R/complete.R (stemCompletion): New completion heuristics.
250    
251    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
254    
255    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
256    
257            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
258            setOldClass(c(..., "list")) works.
259    
260    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/transform.R (stemDocument.character): In case input is a
263            simple character just delegate to the default Snowball stemmer.
264    
265    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
268            data.
269    
270    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/doc.R (`Content<-`): Be careful with names attribute.
273    
274    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
275    
276            * R/source.R (DirSource): Improved implementation especially when
277            handling many (> 1M) files.
278    
279    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
280    
281            * R/source.R (getElem.URISource): Use encoding argument.
282    
283    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
284    
285            * R/doc.R (setOldClass): Register S3 document classes to be
286            recognized by S4 methods.
287    
288    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
289    
290            * R/matrix.R (termFreq): Add option to remove punctuation
291            characters.
292    
293    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
294    
295            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
296            merging multiple term-document matrices.
297    
298    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
299    
300            * R/corpus.R (setOldClass): Register S3 corpus classes to be
301            recognized by S4 methods.
302    
303            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
304            that CRAN Mac OS X builds do not fail any longer.
305    
306    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
307    
308            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
309            of RWeka:AlphabeticTokenizer() as default.
310    
311    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
312    
313            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
314            caused words at the beginning or the end of a line not to be removed. Do
315            not delete whitespace anymore.
316    
317    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
318    
319            * R/source.R (DirSource): Default to working directory if no path
320            is specified.
321    
322    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
323    
324            * R/source.R (DirSource): Stop on empty directories.
325    
326    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
329            named documents.
330    
331    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
332    
333            * R/transform.R (removeWords): Improve regular expressions.
334    
335    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/meta.R (DublinCore): Allow lower case tags.
338    
339    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
340    
341            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
342            instead of x$children.
343    
344    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
345    
346            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
347    
348    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
349    
350            * R/: Use S3 instead of S4 class system.
351    
352    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
353    
354            * R/reader.R (readMail): Moved to tm.plugin.mail package.
355    
356    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
357    
358            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
359            postings are basically e-mails with some extra headers.
360    
361    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
362    
363            * R/transform.R: Move convertMboxEml, removeCitation,
364            removeMultipart, and removeSignature to the tm.plugin.mail package
365            since they are mainly utility functions (for handling e-mails) and
366            not very framework specific.
367    
368    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
369    
370            * man/: Fix documentation.
371    
372    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
373    
374            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
375            plain text document instead of an XML document for texts of the
376            Reuters-21578 dataset.
377    
378            * R/sparse.R: Removed since the slam package is now available on
379            CRAN.
380    
381            * DESCRIPTION (Depends): Add slam package.
382    
383    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
384    
385            * R/transform.R (stemDoc): Fix character(0) handling.
386    
387    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
388    
389            * R/doc.R (show): Pretty print.
390    
391    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
392    
393            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
394            gracefully.
395    
396    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
397    
398            * R/corpus.R: Make corpus virtual. Implement corpus with standard
399            and permanent storage semantics.
400    
401            * DESCRIPTION: New major release. A *lot* of improvements.
402    
403    2009-05-04   Ingo Feinerer <feinerer@logic.at>
404    
405            * NAMESPACE: Export some simple_triplet_matrix functions.
406    
407    2009-04-28   Ingo Feinerer <feinerer@logic.at>
408    
409            * R/weight.R: Adapt tf-idf to new matrix format.
410    
411    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
412    
413            * R/matrix.R: Create two distinct classes for term-document and
414            document-term matrices.
415    
416    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
417    
418            * R/termdocmatrix.R: No longer use Matrix package. This reduces
419            package start-up time significantly.
420    
421    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
422    
423            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
424    
425    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
426    
427            * R/transform.R (tmReduce): Combine multiple maps into one
428            transformation.
429    
430    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
431    
432            * R/weight.R: Remove weightLogical since it does not return a
433            dgCMatrix.
434    
435            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
436            or TermDocumentMatrix instead.
437    
438    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
439    
440            * inst/doc/extensions.Rnw: Finished vignette.
441    
442    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
443    
444            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
445            DocumentTermMatrix representations.
446    
447    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
448    
449            * R/reader.R (readXML): New reader for arbitrary XML files.
450    
451  2009-03-22  Ingo Feinerer  <feinerer@logic.at>  2009-03-22  Ingo Feinerer  <feinerer@logic.at>
452    
453          * R/source.R (CSVSource): Defunct (use DataframeSource instead).          * R/source.R (CSVSource): Defunct (use DataframeSource instead).
# Line 6  Line 456 
456    
457  2009-03-21  Ingo Feinerer  <feinerer@logic.at>  2009-03-21  Ingo Feinerer  <feinerer@logic.at>
458    
459          * R/reader.R (readCustom): Experimental reader which can be          * R/reader.R (readTabular): Experimental reader for tabular data
460          customized via user-defined mappings.          structures which can be customized via user-defined mappings.
461    
462          * R/reader.R: Always use UTC time zone.          * R/reader.R: Always use UTC time zone.
463    

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