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trunk/tm/ChangeLog revision 869, Sat Nov 8 09:16:37 2008 UTC pkg/ChangeLog revision 1114, Fri Nov 26 14:05:54 2010 UTC
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1    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
4    
5    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
8            (instead of a list element).
9    
10    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
13            documents by names (fallback to IDs if names are not set).
14    
15    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
18            \code{recursive} now determines whether existing corpus meta data
19            is used.
20    
21    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
24    
25    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
28            remove terms not occurring in the corpus anymore.
29    
30    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
33            and Heaps' law.
34    
35    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
38            provided by a source.
39    
40    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/source.R (.Source): Provide document names.
43    
44    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/meta.R (`content_or_meta`): Utility function.
47    
48    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
49    
50            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
51            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
52    
53    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
54    
55            * R/weight.R (weightTfIdf): Added normalization option.
56    
57            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
58            analysis.
59    
60    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/score.R (tm_tag_score): Compute a score from the number of
63            tags matching in a document.
64    
65    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
66    
67            * R/complete.R (stemCompletion): New completion heuristics.
68    
69    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
72    
73    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
74    
75            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
76            setOldClass(c(..., "list")) works.
77    
78    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/transform.R (stemDocument.character): In case input is a
81            simple character just delegate to the default Snowball stemmer.
82    
83    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
86            data.
87    
88    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
89    
90            * R/doc.R (`Content<-`): Be careful with names attribute.
91    
92    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
93    
94            * R/source.R (DirSource): Improved implementation especially when
95            handling many (> 1M) files.
96    
97    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/source.R (getElem.URISource): Use encoding argument.
100    
101    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
102    
103            * R/doc.R (setOldClass): Register S3 document classes to be
104            recognized by S4 methods.
105    
106    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/matrix.R (termFreq): Add option to remove punctuation
109            characters.
110    
111    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
112    
113            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
114            merging multiple term-document matrices.
115    
116    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
117    
118            * R/corpus.R (setOldClass): Register S3 corpus classes to be
119            recognized by S4 methods.
120    
121            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
122            that CRAN Mac OS X builds do not fail any longer.
123    
124    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
127            of RWeka:AlphabeticTokenizer() as default.
128    
129    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
132            caused words at the beginning or the end of a line not to be removed. Do
133            not delete whitespace anymore.
134    
135    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/source.R (DirSource): Default to working directory if no path
138            is specified.
139    
140    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/source.R (DirSource): Stop on empty directories.
143    
144    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
145    
146            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
147            named documents.
148    
149    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
150    
151            * R/transform.R (removeWords): Improve regular expressions.
152    
153    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
154    
155            * R/meta.R (DublinCore): Allow lower case tags.
156    
157    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
158    
159            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
160            instead of x$children.
161    
162    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
163    
164            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
165    
166    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/: Use S3 instead of S4 class system.
169    
170    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
171    
172            * R/reader.R (readMail): Moved to tm.plugin.mail package.
173    
174    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
175    
176            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
177            postings are basically e-mails with some extra headers.
178    
179    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
180    
181            * R/transform.R: Move convertMboxEml, removeCitation,
182            removeMultipart, and removeSignature to the tm.plugin.mail package
183            since they are mainly utility functions (for handling e-mails) and
184            not very framework specific.
185    
186    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
187    
188            * man/: Fix documentation.
189    
190    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
193            plain text document instead of an XML document for texts of the
194            Reuters-21578 dataset.
195    
196            * R/sparse.R: Removed since the slam package is now available on
197            CRAN.
198    
199            * DESCRIPTION (Depends): Add slam package.
200    
201    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
202    
203            * R/transform.R (stemDoc): Fix character(0) handling.
204    
205    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
206    
207            * R/doc.R (show): Pretty print.
208    
209    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
210    
211            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
212            gracefully.
213    
214    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/corpus.R: Make corpus virtual. Implement corpus with standard
217            and permanent storage semantics.
218    
219            * DESCRIPTION: New major release. A *lot* of improvements.
220    
221    2009-05-04   Ingo Feinerer <feinerer@logic.at>
222    
223            * NAMESPACE: Export some simple_triplet_matrix functions.
224    
225    2009-04-28   Ingo Feinerer <feinerer@logic.at>
226    
227            * R/weight.R: Adapt tf-idf to new matrix format.
228    
229    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
230    
231            * R/matrix.R: Create two distinct classes for term-document and
232            document-term matrices.
233    
234    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/termdocmatrix.R: No longer use Matrix package. This reduces
237            package start-up time significantly.
238    
239    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
240    
241            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
242    
243    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
244    
245            * R/transform.R (tmReduce): Combine multiple maps into one
246            transformation.
247    
248    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
249    
250            * R/weight.R: Remove weightLogical since it does not return a
251            dgCMatrix.
252    
253            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
254            or TermDocumentMatrix instead.
255    
256    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
257    
258            * inst/doc/extensions.Rnw: Finished vignette.
259    
260    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
261    
262            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
263            DocumentTermMatrix representations.
264    
265    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
266    
267            * R/reader.R (readXML): New reader for arbitrary XML files.
268    
269    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
270    
271            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
272            (XMLSource): New XMLSource class for arbitrary XML files.
273            (Source): New slot Vectorized.
274    
275    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
276    
277            * R/reader.R (readTabular): Experimental reader for tabular data
278            structures which can be customized via user-defined mappings.
279    
280            * R/reader.R: Always use UTC time zone.
281    
282            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
283    
284    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
285    
286            * R/reader.R (readDOC): Options can be passed over to antiword.
287    
288            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
289            pdftotext.
290    
291    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
292    
293            * R/source.R (DirSource): Add pattern and ignore.case arguments
294            which are internally passed over to list.files().
295    
296    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
297    
298            * inst/doc/tm.Rnw: Suppress pointless loading message.
299    
300    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
301    
302            * DESCRIPTION: Speed up package loading (via moving packages not
303            strictly necessary for normal operation to Suggests instead of
304            Depends).
305    
306    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
307    
308            * R/reader.R (readNewsgroup): The date format is now configurable.
309    
310    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
311    
312            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
313    
314    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
315    
316            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
317    
318    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
319    
320            * R/source.R (DataframeSource): New source class for data frames.
321    
322            * R/source.R: Fixed non-standard call evaluation.
323    
324    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
325    
326            * R/source.R (URISource): New source class for a single document.
327    
328    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
329    
330            * R/source.R: Refactoring.
331    
332    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
333    
334            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
335            Rmpi installations more gracefully.
336    
337  2008-11-08  Ingo Feinerer  <feinerer@logic.at>  2008-11-08  Ingo Feinerer  <feinerer@logic.at>
338    
339          * R/source.R (Source): Add Length slot.          * R/source.R (Source): Add Length slot.

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