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revision 1007, Tue Sep 15 18:02:44 2009 UTC revision 1242, Mon Aug 19 05:33:57 2013 UTC
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1    2013-08-19  Ingo Feinerer <feinerer@logic.at>
2    
3            * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
4            anymore.
5    
6            * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
7            anymore.
8    
9    2013-08-09  Ingo Feinerer <feinerer@logic.at>
10    
11            * DESCRIPTION (License): Changed to GPL-3.
12    
13    2013-07-25  Ingo Feinerer <feinerer@logic.at>
14    
15            * R/complete.R (stemCompletion): Report NA instead of error when no
16            completion can be found by the prevalent heuristic. Suggested by Hugh
17            Devlin.
18    
19    2013-07-10  Ingo Feinerer <feinerer@logic.at>
20    
21            * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
22            command line tool) instead of tools:::pdf_info().
23    
24    2013-04-11  Ingo Feinerer <feinerer@logic.at>
25    
26            * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
27            to determine character types.
28    
29    2012-12-14  Ingo Feinerer <feinerer@logic.at>
30    
31            * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
32            when generating a simple_triplet_matrix. Reported by Arho Suominen.
33    
34    2012-12-10  Ingo Feinerer <feinerer@logic.at>
35    
36            * man/tm_reduce.Rd: Document right to left folding order. Adapt
37            example as well. Suggested by Mark Rosenstein.
38    
39    2012-12-04  Ingo Feinerer <feinerer@logic.at>
40    
41            * R/filter.R (sFilter): Avoid attach() and simplify.
42    
43    2012-11-02  Ingo Feinerer <feinerer@logic.at>
44    
45            * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
46            removal of attributes.
47    
48    2012-10-03 Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
51            columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
52            Frölich.
53    
54    2012-07-27 Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/transform.R (removeWords): Allow longer stopword lists.
57    
58    2012-01-31  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/reader.R (readXML): Readers can now set the document language
61            themselves.
62    
63    2012-01-14  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
66            proposed by Milan Bouchet-Valat.
67    
68    2012-01-11  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/matrix.R (termFreq): Fix processing of user provided
71            stopwords. Reported by Bettina Grün.
72    
73    2011-12-23  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/matrix.R (termFreq): Fix invalid handling of
76            control$wordLengths[1]. Reported by Steven C. Bagley.
77    
78    2011-12-17  Ingo Feinerer  <feinerer@logic.at>
79    
80            * DESCRIPTION (Version): Prepare for CRAN Christmas release.
81    
82    2011-12-12  Ingo Feinerer  <feinerer@logic.at>
83    
84            * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
85    
86    2011-12-07  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/transform.R (removePunctuation): Add option to preserve
89            intra-word dashes.
90    
91    2011-12-06  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/matrix.R (termFreq): Allow reordering of control option
94            processing.
95    
96    2011-11-17  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
99            pdfinfo tool.
100    
101            * inst/stopwords/SMART.dat: Add SMART information retrieval system
102            stopwords (which are also used by the MC toolkit).
103    
104            * R/matrix (termFreq): Allow local option \code{bounds$local} to
105            restrict how often a term may appear in each document (generalizes
106            \code{minDocFreq}). Similarly the local option \code{wordLenghts}
107            for word length bounds (generalizes \code{minWordLength}).
108    
109            * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
110            \code{bounds$global} for restricting how often a term is allowed
111            to appear in different documents.
112    
113            * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
114            local options delegated internally to termFreq() and global
115            options which are processed by the term-document matrix
116            constructor itself.
117    
118    2011-11-15  Ingo Feinerer  <feinerer@logic.at>
119    
120            * man/getTokenizers.Rd: Document getTokenizers().
121    
122            * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
123    
124    2011-11-04  Ingo Feinerer  <feinerer@logic.at>
125    
126            * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
127    
128            * man/combine.Rd: Document c.term_frequency().
129    
130    2011-10-11  Ingo Feinerer  <feinerer@logic.at>
131    
132            * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
133            can be accessed via '[' and not '[['.
134    
135    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/stopwords.R (stopwords): Raise an error if no stopwords are
138            available for requested language. Suggested by Derek M Jones.
139    
140    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
143            normalization.
144    
145    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
146    
147            * R/transform.R (stemDocument.PlainTextDocument): Use language
148            argument.
149    
150    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/source.R: Store strings and connections instead of unevaluated
153            calls.
154    
155    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
158    
159    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
160    
161            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
162            (instead of a list element).
163    
164    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
167            documents by names (fallback to IDs if names are not set).
168    
169    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
172            \code{recursive} now determines whether existing corpus meta data
173            is used.
174    
175    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
178    
179    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
180    
181            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
182            remove terms not occurring in the corpus anymore.
183    
184    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
185    
186            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
187            and Heaps' law.
188    
189    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
190    
191            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
192            provided by a source.
193    
194    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/source.R (.Source): Provide document names.
197    
198    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
199    
200            * R/meta.R (`content_or_meta`): Utility function.
201    
202    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
203    
204            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
205            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
206    
207    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
208    
209            * R/weight.R (weightTfIdf): Added normalization option.
210    
211            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
212            analysis.
213    
214    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/score.R (tm_tag_score): Compute a score from the number of
217            tags matching in a document.
218    
219    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
220    
221            * R/complete.R (stemCompletion): New completion heuristics.
222    
223    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
224    
225            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
226    
227    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
228    
229            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
230            setOldClass(c(..., "list")) works.
231    
232    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
233    
234            * R/transform.R (stemDocument.character): In case input is a
235            simple character just delegate to the default Snowball stemmer.
236    
237    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
238    
239            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
240            data.
241    
242    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
243    
244            * R/doc.R (`Content<-`): Be careful with names attribute.
245    
246    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
247    
248            * R/source.R (DirSource): Improved implementation especially when
249            handling many (> 1M) files.
250    
251    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/source.R (getElem.URISource): Use encoding argument.
254    
255    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/doc.R (setOldClass): Register S3 document classes to be
258            recognized by S4 methods.
259    
260    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/matrix.R (termFreq): Add option to remove punctuation
263            characters.
264    
265    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
268            merging multiple term-document matrices.
269    
270    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/corpus.R (setOldClass): Register S3 corpus classes to be
273            recognized by S4 methods.
274    
275            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
276            that CRAN Mac OS X builds do not fail any longer.
277    
278    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
279    
280            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
281            of RWeka:AlphabeticTokenizer() as default.
282    
283    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
284    
285            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
286            caused words at the beginning or the end of a line not to be removed. Do
287            not delete whitespace anymore.
288    
289    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
290    
291            * R/source.R (DirSource): Default to working directory if no path
292            is specified.
293    
294    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
295    
296            * R/source.R (DirSource): Stop on empty directories.
297    
298    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
299    
300            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
301            named documents.
302    
303    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
304    
305            * R/transform.R (removeWords): Improve regular expressions.
306    
307    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
308    
309            * R/meta.R (DublinCore): Allow lower case tags.
310    
311    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
312    
313            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
314            instead of x$children.
315    
316  2009-09-15  Ingo Feinerer  <feinerer@logic.at>  2009-09-15  Ingo Feinerer  <feinerer@logic.at>
317    
318          * R/preprocess.R (preprocessReut21578XML): Fix generated file names.          * R/preprocess.R (preprocessReut21578XML): Fix generated file names.

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