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trunk/tm/ChangeLog revision 855, Sun May 25 15:35:00 2008 UTC pkg/ChangeLog revision 1139, Wed Aug 24 15:21:02 2011 UTC
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1    2011-08-24  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/stopwords.R (stopwords): Raise an error if no stopwords are
4            available for requested language. Suggested by Derek M Jones.
5    
6    2011-05-27  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/weight.R (weightSMART): Implement Cosine and pivoted unique
9            normalization.
10    
11    2011-02-17  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/transform.R (stemDocument.PlainTextDocument): Use language
14            argument.
15    
16    2011-02-04  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/source.R: Store strings and connections instead of unevaluated
19            calls.
20    
21    2010-11-26  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/corpus.R (Corpus): Allow init and exit hooks for readers.
24    
25    2010-10-22  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
28            (instead of a list element).
29    
30    2010-10-16  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
33            documents by names (fallback to IDs if names are not set).
34    
35    2010-08-25  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/corpus.R (c.Corpus): When concatenating corpora, the argument
38            \code{recursive} now determines whether existing corpus meta data
39            is used.
40    
41    2010-08-06  Ingo Feinerer  <feinerer@logic.at>
42    
43            * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
44    
45    2010-06-17  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
48            remove terms not occurring in the corpus anymore.
49    
50    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
53            and Heaps' law.
54    
55    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
58            provided by a source.
59    
60    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/source.R (.Source): Provide document names.
63    
64    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
65    
66            * R/meta.R (`content_or_meta`): Utility function.
67    
68    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
71            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
72    
73    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
74    
75            * R/weight.R (weightTfIdf): Added normalization option.
76    
77            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
78            analysis.
79    
80    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/score.R (tm_tag_score): Compute a score from the number of
83            tags matching in a document.
84    
85    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
86    
87            * R/complete.R (stemCompletion): New completion heuristics.
88    
89    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
90    
91            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
92    
93    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
94    
95            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
96            setOldClass(c(..., "list")) works.
97    
98    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/transform.R (stemDocument.character): In case input is a
101            simple character just delegate to the default Snowball stemmer.
102    
103    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
104    
105            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
106            data.
107    
108    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
109    
110            * R/doc.R (`Content<-`): Be careful with names attribute.
111    
112    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
113    
114            * R/source.R (DirSource): Improved implementation especially when
115            handling many (> 1M) files.
116    
117    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/source.R (getElem.URISource): Use encoding argument.
120    
121    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
122    
123            * R/doc.R (setOldClass): Register S3 document classes to be
124            recognized by S4 methods.
125    
126    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
127    
128            * R/matrix.R (termFreq): Add option to remove punctuation
129            characters.
130    
131    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
132    
133            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
134            merging multiple term-document matrices.
135    
136    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/corpus.R (setOldClass): Register S3 corpus classes to be
139            recognized by S4 methods.
140    
141            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
142            that CRAN Mac OS X builds do not fail any longer.
143    
144    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
145    
146            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
147            of RWeka:AlphabeticTokenizer() as default.
148    
149    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
150    
151            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
152            caused words at the beginning or the end of a line not to be removed. Do
153            not delete whitespace anymore.
154    
155    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
156    
157            * R/source.R (DirSource): Default to working directory if no path
158            is specified.
159    
160    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/source.R (DirSource): Stop on empty directories.
163    
164    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
167            named documents.
168    
169    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
170    
171            * R/transform.R (removeWords): Improve regular expressions.
172    
173    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
174    
175            * R/meta.R (DublinCore): Allow lower case tags.
176    
177    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
178    
179            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
180            instead of x$children.
181    
182    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
183    
184            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
185    
186    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
187    
188            * R/: Use S3 instead of S4 class system.
189    
190    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
191    
192            * R/reader.R (readMail): Moved to tm.plugin.mail package.
193    
194    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
195    
196            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
197            postings are basically e-mails with some extra headers.
198    
199    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
200    
201            * R/transform.R: Move convertMboxEml, removeCitation,
202            removeMultipart, and removeSignature to the tm.plugin.mail package
203            since they are mainly utility functions (for handling e-mails) and
204            not very framework specific.
205    
206    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
207    
208            * man/: Fix documentation.
209    
210    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
211    
212            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
213            plain text document instead of an XML document for texts of the
214            Reuters-21578 dataset.
215    
216            * R/sparse.R: Removed since the slam package is now available on
217            CRAN.
218    
219            * DESCRIPTION (Depends): Add slam package.
220    
221    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
222    
223            * R/transform.R (stemDoc): Fix character(0) handling.
224    
225    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
226    
227            * R/doc.R (show): Pretty print.
228    
229    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
230    
231            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
232            gracefully.
233    
234    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
235    
236            * R/corpus.R: Make corpus virtual. Implement corpus with standard
237            and permanent storage semantics.
238    
239            * DESCRIPTION: New major release. A *lot* of improvements.
240    
241    2009-05-04   Ingo Feinerer <feinerer@logic.at>
242    
243            * NAMESPACE: Export some simple_triplet_matrix functions.
244    
245    2009-04-28   Ingo Feinerer <feinerer@logic.at>
246    
247            * R/weight.R: Adapt tf-idf to new matrix format.
248    
249    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
250    
251            * R/matrix.R: Create two distinct classes for term-document and
252            document-term matrices.
253    
254    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
255    
256            * R/termdocmatrix.R: No longer use Matrix package. This reduces
257            package start-up time significantly.
258    
259    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
260    
261            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
262    
263    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
264    
265            * R/transform.R (tmReduce): Combine multiple maps into one
266            transformation.
267    
268    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
269    
270            * R/weight.R: Remove weightLogical since it does not return a
271            dgCMatrix.
272    
273            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
274            or TermDocumentMatrix instead.
275    
276    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
277    
278            * inst/doc/extensions.Rnw: Finished vignette.
279    
280    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
281    
282            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
283            DocumentTermMatrix representations.
284    
285    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
286    
287            * R/reader.R (readXML): New reader for arbitrary XML files.
288    
289    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
290    
291            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
292            (XMLSource): New XMLSource class for arbitrary XML files.
293            (Source): New slot Vectorized.
294    
295    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
296    
297            * R/reader.R (readTabular): Experimental reader for tabular data
298            structures which can be customized via user-defined mappings.
299    
300            * R/reader.R: Always use UTC time zone.
301    
302            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
303    
304    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
305    
306            * R/reader.R (readDOC): Options can be passed over to antiword.
307    
308            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
309            pdftotext.
310    
311    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
312    
313            * R/source.R (DirSource): Add pattern and ignore.case arguments
314            which are internally passed over to list.files().
315    
316    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
317    
318            * inst/doc/tm.Rnw: Suppress pointless loading message.
319    
320    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
321    
322            * DESCRIPTION: Speed up package loading (via moving packages not
323            strictly necessary for normal operation to Suggests instead of
324            Depends).
325    
326    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/reader.R (readNewsgroup): The date format is now configurable.
329    
330    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
331    
332            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
333    
334    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
335    
336            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
337    
338    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
339    
340            * R/source.R (DataframeSource): New source class for data frames.
341    
342            * R/source.R: Fixed non-standard call evaluation.
343    
344    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
345    
346            * R/source.R (URISource): New source class for a single document.
347    
348    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
349    
350            * R/source.R: Refactoring.
351    
352    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
353    
354            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
355            Rmpi installations more gracefully.
356    
357    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
358    
359            * R/source.R (Source): Add Length slot.
360    
361    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
362    
363            * R/AAA.R: Unify duplicated .onLoad function.
364    
365    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
366    
367            * DESCRIPTION (Suggests): Added Rmpi.
368    
369    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
370    
371            * R/source.R (getElem): Fix 'no visible binding' warning.
372    
373            * man/WeightFunction.Rd: Fix signature.
374    
375    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
376    
377            * R/weight.R: Introduce name abbreviations for weighting functions.
378    
379    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
380    
381            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
382    
383            * R/cluster.R: Provide convenience functions for using a MPI
384            cluster.
385    
386            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
387            available.
388    
389            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
390            available.
391    
392    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
393    
394            * R/textdoccol.R (lapply): Removed debug print out.
395    
396    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
397    
398            * R/reader.R (readRCV1): Improved meta data extraction from
399            Reuters Corpus Volume 1 documents.
400    
401  2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
402    
403          * R/transform.R: Ensure that all mappings preserve multiline          * R/transform.R: Ensure that all mappings preserve multiline

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