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trunk/tm/ChangeLog revision 869, Sat Nov 8 09:16:37 2008 UTC pkg/ChangeLog revision 1095, Wed Aug 25 19:05:38 2010 UTC
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1    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
4            \code{recursive} now determines whether existing corpus meta data
5            is used.
6    
7    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
8    
9            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
10    
11    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
14            remove terms not occurring in the corpus anymore.
15    
16    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
19            and Heaps' law.
20    
21    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
24            provided by a source.
25    
26    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/source.R (.Source): Provide document names.
29    
30    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/meta.R (`content_or_meta`): Utility function.
33    
34    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
35    
36            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
37            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
38    
39    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/weight.R (weightTfIdf): Added normalization option.
42    
43            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
44            analysis.
45    
46    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/score.R (tm_tag_score): Compute a score from the number of
49            tags matching in a document.
50    
51    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
52    
53            * R/complete.R (stemCompletion): New completion heuristics.
54    
55    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
58    
59    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
60    
61            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
62            setOldClass(c(..., "list")) works.
63    
64    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
65    
66            * R/transform.R (stemDocument.character): In case input is a
67            simple character just delegate to the default Snowball stemmer.
68    
69    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
72            data.
73    
74    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/doc.R (`Content<-`): Be careful with names attribute.
77    
78    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
79    
80            * R/source.R (DirSource): Improved implementation especially when
81            handling many (> 1M) files.
82    
83    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/source.R (getElem.URISource): Use encoding argument.
86    
87    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/doc.R (setOldClass): Register S3 document classes to be
90            recognized by S4 methods.
91    
92    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
93    
94            * R/matrix.R (termFreq): Add option to remove punctuation
95            characters.
96    
97    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
100            merging multiple term-document matrices.
101    
102    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/corpus.R (setOldClass): Register S3 corpus classes to be
105            recognized by S4 methods.
106    
107            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
108            that CRAN Mac OS X builds do not fail any longer.
109    
110    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
113            of RWeka:AlphabeticTokenizer() as default.
114    
115    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
118            caused words at the beginning or the end of a line not to be removed. Do
119            not delete whitespace anymore.
120    
121    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
122    
123            * R/source.R (DirSource): Default to working directory if no path
124            is specified.
125    
126    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/source.R (DirSource): Stop on empty directories.
129    
130    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
131    
132            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
133            named documents.
134    
135    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/transform.R (removeWords): Improve regular expressions.
138    
139    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
140    
141            * R/meta.R (DublinCore): Allow lower case tags.
142    
143    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
144    
145            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
146            instead of x$children.
147    
148    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
149    
150            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
151    
152    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/: Use S3 instead of S4 class system.
155    
156    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
157    
158            * R/reader.R (readMail): Moved to tm.plugin.mail package.
159    
160    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
163            postings are basically e-mails with some extra headers.
164    
165    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
166    
167            * R/transform.R: Move convertMboxEml, removeCitation,
168            removeMultipart, and removeSignature to the tm.plugin.mail package
169            since they are mainly utility functions (for handling e-mails) and
170            not very framework specific.
171    
172    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
173    
174            * man/: Fix documentation.
175    
176    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
177    
178            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
179            plain text document instead of an XML document for texts of the
180            Reuters-21578 dataset.
181    
182            * R/sparse.R: Removed since the slam package is now available on
183            CRAN.
184    
185            * DESCRIPTION (Depends): Add slam package.
186    
187    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
188    
189            * R/transform.R (stemDoc): Fix character(0) handling.
190    
191    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
192    
193            * R/doc.R (show): Pretty print.
194    
195    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
196    
197            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
198            gracefully.
199    
200    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
201    
202            * R/corpus.R: Make corpus virtual. Implement corpus with standard
203            and permanent storage semantics.
204    
205            * DESCRIPTION: New major release. A *lot* of improvements.
206    
207    2009-05-04   Ingo Feinerer <feinerer@logic.at>
208    
209            * NAMESPACE: Export some simple_triplet_matrix functions.
210    
211    2009-04-28   Ingo Feinerer <feinerer@logic.at>
212    
213            * R/weight.R: Adapt tf-idf to new matrix format.
214    
215    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
216    
217            * R/matrix.R: Create two distinct classes for term-document and
218            document-term matrices.
219    
220    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
221    
222            * R/termdocmatrix.R: No longer use Matrix package. This reduces
223            package start-up time significantly.
224    
225    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
226    
227            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
228    
229    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
230    
231            * R/transform.R (tmReduce): Combine multiple maps into one
232            transformation.
233    
234    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/weight.R: Remove weightLogical since it does not return a
237            dgCMatrix.
238    
239            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
240            or TermDocumentMatrix instead.
241    
242    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
243    
244            * inst/doc/extensions.Rnw: Finished vignette.
245    
246    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
249            DocumentTermMatrix representations.
250    
251    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
252    
253            * R/reader.R (readXML): New reader for arbitrary XML files.
254    
255    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
258            (XMLSource): New XMLSource class for arbitrary XML files.
259            (Source): New slot Vectorized.
260    
261    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
262    
263            * R/reader.R (readTabular): Experimental reader for tabular data
264            structures which can be customized via user-defined mappings.
265    
266            * R/reader.R: Always use UTC time zone.
267    
268            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
269    
270    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
271    
272            * R/reader.R (readDOC): Options can be passed over to antiword.
273    
274            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
275            pdftotext.
276    
277    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
278    
279            * R/source.R (DirSource): Add pattern and ignore.case arguments
280            which are internally passed over to list.files().
281    
282    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
283    
284            * inst/doc/tm.Rnw: Suppress pointless loading message.
285    
286    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
287    
288            * DESCRIPTION: Speed up package loading (via moving packages not
289            strictly necessary for normal operation to Suggests instead of
290            Depends).
291    
292    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
293    
294            * R/reader.R (readNewsgroup): The date format is now configurable.
295    
296    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
297    
298            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
299    
300    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
301    
302            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
303    
304    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
305    
306            * R/source.R (DataframeSource): New source class for data frames.
307    
308            * R/source.R: Fixed non-standard call evaluation.
309    
310    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
311    
312            * R/source.R (URISource): New source class for a single document.
313    
314    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
315    
316            * R/source.R: Refactoring.
317    
318    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
319    
320            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
321            Rmpi installations more gracefully.
322    
323  2008-11-08  Ingo Feinerer  <feinerer@logic.at>  2008-11-08  Ingo Feinerer  <feinerer@logic.at>
324    
325          * R/source.R (Source): Add Length slot.          * R/source.R (Source): Add Length slot.

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