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trunk/tm/ChangeLog revision 855, Sun May 25 15:35:00 2008 UTC pkg/ChangeLog revision 1084, Fri Aug 6 21:47:23 2010 UTC
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1    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
4    
5    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
8            remove terms not occurring in the corpus anymore.
9    
10    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
13            and Heaps' law.
14    
15    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
18            provided by a source.
19    
20    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
21    
22            * R/source.R (.Source): Provide document names.
23    
24    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/meta.R (`content_or_meta`): Utility function.
27    
28    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
31            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
32    
33    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
34    
35            * R/weight.R (weightTfIdf): Added normalization option.
36    
37            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
38            analysis.
39    
40    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/score.R (tm_tag_score): Compute a score from the number of
43            tags matching in a document.
44    
45    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/complete.R (stemCompletion): New completion heuristics.
48    
49    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
52    
53    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
54    
55            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
56            setOldClass(c(..., "list")) works.
57    
58    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
59    
60            * R/transform.R (stemDocument.character): In case input is a
61            simple character just delegate to the default Snowball stemmer.
62    
63    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
66            data.
67    
68    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/doc.R (`Content<-`): Be careful with names attribute.
71    
72    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
73    
74            * R/source.R (DirSource): Improved implementation especially when
75            handling many (> 1M) files.
76    
77    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
78    
79            * R/source.R (getElem.URISource): Use encoding argument.
80    
81    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
82    
83            * R/doc.R (setOldClass): Register S3 document classes to be
84            recognized by S4 methods.
85    
86    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/matrix.R (termFreq): Add option to remove punctuation
89            characters.
90    
91    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
94            merging multiple term-document matrices.
95    
96    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
97    
98            * R/corpus.R (setOldClass): Register S3 corpus classes to be
99            recognized by S4 methods.
100    
101            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
102            that CRAN Mac OS X builds do not fail any longer.
103    
104    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
105    
106            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
107            of RWeka:AlphabeticTokenizer() as default.
108    
109    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
110    
111            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
112            caused words at the beginning or the end of a line not to be removed. Do
113            not delete whitespace anymore.
114    
115    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/source.R (DirSource): Default to working directory if no path
118            is specified.
119    
120    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/source.R (DirSource): Stop on empty directories.
123    
124    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
127            named documents.
128    
129    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/transform.R (removeWords): Improve regular expressions.
132    
133    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/meta.R (DublinCore): Allow lower case tags.
136    
137    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
140            instead of x$children.
141    
142    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
145    
146    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
147    
148            * R/: Use S3 instead of S4 class system.
149    
150    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/reader.R (readMail): Moved to tm.plugin.mail package.
153    
154    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
155    
156            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
157            postings are basically e-mails with some extra headers.
158    
159    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
160    
161            * R/transform.R: Move convertMboxEml, removeCitation,
162            removeMultipart, and removeSignature to the tm.plugin.mail package
163            since they are mainly utility functions (for handling e-mails) and
164            not very framework specific.
165    
166    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
167    
168            * man/: Fix documentation.
169    
170    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
171    
172            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
173            plain text document instead of an XML document for texts of the
174            Reuters-21578 dataset.
175    
176            * R/sparse.R: Removed since the slam package is now available on
177            CRAN.
178    
179            * DESCRIPTION (Depends): Add slam package.
180    
181    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/transform.R (stemDoc): Fix character(0) handling.
184    
185    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
186    
187            * R/doc.R (show): Pretty print.
188    
189    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
190    
191            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
192            gracefully.
193    
194    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/corpus.R: Make corpus virtual. Implement corpus with standard
197            and permanent storage semantics.
198    
199            * DESCRIPTION: New major release. A *lot* of improvements.
200    
201    2009-05-04   Ingo Feinerer <feinerer@logic.at>
202    
203            * NAMESPACE: Export some simple_triplet_matrix functions.
204    
205    2009-04-28   Ingo Feinerer <feinerer@logic.at>
206    
207            * R/weight.R: Adapt tf-idf to new matrix format.
208    
209    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
210    
211            * R/matrix.R: Create two distinct classes for term-document and
212            document-term matrices.
213    
214    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/termdocmatrix.R: No longer use Matrix package. This reduces
217            package start-up time significantly.
218    
219    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
220    
221            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
222    
223    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
224    
225            * R/transform.R (tmReduce): Combine multiple maps into one
226            transformation.
227    
228    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
229    
230            * R/weight.R: Remove weightLogical since it does not return a
231            dgCMatrix.
232    
233            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
234            or TermDocumentMatrix instead.
235    
236    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
237    
238            * inst/doc/extensions.Rnw: Finished vignette.
239    
240    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
241    
242            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
243            DocumentTermMatrix representations.
244    
245    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
246    
247            * R/reader.R (readXML): New reader for arbitrary XML files.
248    
249    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
250    
251            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
252            (XMLSource): New XMLSource class for arbitrary XML files.
253            (Source): New slot Vectorized.
254    
255    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/reader.R (readTabular): Experimental reader for tabular data
258            structures which can be customized via user-defined mappings.
259    
260            * R/reader.R: Always use UTC time zone.
261    
262            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
263    
264    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
265    
266            * R/reader.R (readDOC): Options can be passed over to antiword.
267    
268            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
269            pdftotext.
270    
271    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
272    
273            * R/source.R (DirSource): Add pattern and ignore.case arguments
274            which are internally passed over to list.files().
275    
276    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
277    
278            * inst/doc/tm.Rnw: Suppress pointless loading message.
279    
280    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
281    
282            * DESCRIPTION: Speed up package loading (via moving packages not
283            strictly necessary for normal operation to Suggests instead of
284            Depends).
285    
286    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
287    
288            * R/reader.R (readNewsgroup): The date format is now configurable.
289    
290    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
291    
292            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
293    
294    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
295    
296            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
297    
298    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
299    
300            * R/source.R (DataframeSource): New source class for data frames.
301    
302            * R/source.R: Fixed non-standard call evaluation.
303    
304    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
305    
306            * R/source.R (URISource): New source class for a single document.
307    
308    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
309    
310            * R/source.R: Refactoring.
311    
312    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
315            Rmpi installations more gracefully.
316    
317    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
318    
319            * R/source.R (Source): Add Length slot.
320    
321    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
322    
323            * R/AAA.R: Unify duplicated .onLoad function.
324    
325    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
326    
327            * DESCRIPTION (Suggests): Added Rmpi.
328    
329    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
330    
331            * R/source.R (getElem): Fix 'no visible binding' warning.
332    
333            * man/WeightFunction.Rd: Fix signature.
334    
335    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
336    
337            * R/weight.R: Introduce name abbreviations for weighting functions.
338    
339    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
340    
341            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
342    
343            * R/cluster.R: Provide convenience functions for using a MPI
344            cluster.
345    
346            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
347            available.
348    
349            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
350            available.
351    
352    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
353    
354            * R/textdoccol.R (lapply): Removed debug print out.
355    
356    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
357    
358            * R/reader.R (readRCV1): Improved meta data extraction from
359            Reuters Corpus Volume 1 documents.
360    
361  2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363          * R/transform.R: Ensure that all mappings preserve multiline          * R/transform.R: Ensure that all mappings preserve multiline

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