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trunk/tm/ChangeLog revision 869, Sat Nov 8 09:16:37 2008 UTC pkg/ChangeLog revision 1136, Fri May 27 11:50:39 2011 UTC
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1    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
4            normalization.
5    
6    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/transform.R (stemDocument.PlainTextDocument): Use language
9            argument.
10    
11    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/source.R: Store strings and connections instead of unevaluated
14            calls.
15    
16    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
19    
20    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
21    
22            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
23            (instead of a list element).
24    
25    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
28            documents by names (fallback to IDs if names are not set).
29    
30    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
33            \code{recursive} now determines whether existing corpus meta data
34            is used.
35    
36    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
39    
40    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
43            remove terms not occurring in the corpus anymore.
44    
45    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
48            and Heaps' law.
49    
50    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
53            provided by a source.
54    
55    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/source.R (.Source): Provide document names.
58    
59    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
60    
61            * R/meta.R (`content_or_meta`): Utility function.
62    
63    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
66            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
67    
68    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/weight.R (weightTfIdf): Added normalization option.
71    
72            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
73            analysis.
74    
75    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
76    
77            * R/score.R (tm_tag_score): Compute a score from the number of
78            tags matching in a document.
79    
80    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/complete.R (stemCompletion): New completion heuristics.
83    
84    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
85    
86            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
87    
88    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
89    
90            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
91            setOldClass(c(..., "list")) works.
92    
93    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
94    
95            * R/transform.R (stemDocument.character): In case input is a
96            simple character just delegate to the default Snowball stemmer.
97    
98    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
101            data.
102    
103    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
104    
105            * R/doc.R (`Content<-`): Be careful with names attribute.
106    
107    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
108    
109            * R/source.R (DirSource): Improved implementation especially when
110            handling many (> 1M) files.
111    
112    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
113    
114            * R/source.R (getElem.URISource): Use encoding argument.
115    
116    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
117    
118            * R/doc.R (setOldClass): Register S3 document classes to be
119            recognized by S4 methods.
120    
121    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
122    
123            * R/matrix.R (termFreq): Add option to remove punctuation
124            characters.
125    
126    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
129            merging multiple term-document matrices.
130    
131    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/corpus.R (setOldClass): Register S3 corpus classes to be
134            recognized by S4 methods.
135    
136            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
137            that CRAN Mac OS X builds do not fail any longer.
138    
139    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
140    
141            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
142            of RWeka:AlphabeticTokenizer() as default.
143    
144    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
145    
146            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
147            caused words at the beginning or the end of a line not to be removed. Do
148            not delete whitespace anymore.
149    
150    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/source.R (DirSource): Default to working directory if no path
153            is specified.
154    
155    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/source.R (DirSource): Stop on empty directories.
158    
159    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
160    
161            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
162            named documents.
163    
164    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/transform.R (removeWords): Improve regular expressions.
167    
168    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
169    
170            * R/meta.R (DublinCore): Allow lower case tags.
171    
172    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
175            instead of x$children.
176    
177    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
180    
181    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/: Use S3 instead of S4 class system.
184    
185    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
186    
187            * R/reader.R (readMail): Moved to tm.plugin.mail package.
188    
189    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
190    
191            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
192            postings are basically e-mails with some extra headers.
193    
194    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/transform.R: Move convertMboxEml, removeCitation,
197            removeMultipart, and removeSignature to the tm.plugin.mail package
198            since they are mainly utility functions (for handling e-mails) and
199            not very framework specific.
200    
201    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
202    
203            * man/: Fix documentation.
204    
205    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
206    
207            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
208            plain text document instead of an XML document for texts of the
209            Reuters-21578 dataset.
210    
211            * R/sparse.R: Removed since the slam package is now available on
212            CRAN.
213    
214            * DESCRIPTION (Depends): Add slam package.
215    
216    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
217    
218            * R/transform.R (stemDoc): Fix character(0) handling.
219    
220    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
221    
222            * R/doc.R (show): Pretty print.
223    
224    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
225    
226            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
227            gracefully.
228    
229    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
230    
231            * R/corpus.R: Make corpus virtual. Implement corpus with standard
232            and permanent storage semantics.
233    
234            * DESCRIPTION: New major release. A *lot* of improvements.
235    
236    2009-05-04   Ingo Feinerer <feinerer@logic.at>
237    
238            * NAMESPACE: Export some simple_triplet_matrix functions.
239    
240    2009-04-28   Ingo Feinerer <feinerer@logic.at>
241    
242            * R/weight.R: Adapt tf-idf to new matrix format.
243    
244    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
245    
246            * R/matrix.R: Create two distinct classes for term-document and
247            document-term matrices.
248    
249    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
250    
251            * R/termdocmatrix.R: No longer use Matrix package. This reduces
252            package start-up time significantly.
253    
254    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
255    
256            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
257    
258    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
259    
260            * R/transform.R (tmReduce): Combine multiple maps into one
261            transformation.
262    
263    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
264    
265            * R/weight.R: Remove weightLogical since it does not return a
266            dgCMatrix.
267    
268            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
269            or TermDocumentMatrix instead.
270    
271    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
272    
273            * inst/doc/extensions.Rnw: Finished vignette.
274    
275    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
276    
277            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
278            DocumentTermMatrix representations.
279    
280    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
281    
282            * R/reader.R (readXML): New reader for arbitrary XML files.
283    
284    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
285    
286            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
287            (XMLSource): New XMLSource class for arbitrary XML files.
288            (Source): New slot Vectorized.
289    
290    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
291    
292            * R/reader.R (readTabular): Experimental reader for tabular data
293            structures which can be customized via user-defined mappings.
294    
295            * R/reader.R: Always use UTC time zone.
296    
297            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
298    
299    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
300    
301            * R/reader.R (readDOC): Options can be passed over to antiword.
302    
303            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
304            pdftotext.
305    
306    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
307    
308            * R/source.R (DirSource): Add pattern and ignore.case arguments
309            which are internally passed over to list.files().
310    
311    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
312    
313            * inst/doc/tm.Rnw: Suppress pointless loading message.
314    
315    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
316    
317            * DESCRIPTION: Speed up package loading (via moving packages not
318            strictly necessary for normal operation to Suggests instead of
319            Depends).
320    
321    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
322    
323            * R/reader.R (readNewsgroup): The date format is now configurable.
324    
325    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
326    
327            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
328    
329    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
330    
331            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
332    
333    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
334    
335            * R/source.R (DataframeSource): New source class for data frames.
336    
337            * R/source.R: Fixed non-standard call evaluation.
338    
339    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
340    
341            * R/source.R (URISource): New source class for a single document.
342    
343    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
344    
345            * R/source.R: Refactoring.
346    
347    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
348    
349            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
350            Rmpi installations more gracefully.
351    
352  2008-11-08  Ingo Feinerer  <feinerer@logic.at>  2008-11-08  Ingo Feinerer  <feinerer@logic.at>
353    
354          * R/source.R (Source): Add Length slot.          * R/source.R (Source): Add Length slot.

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