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trunk/tm/ChangeLog revision 816, Thu Jan 24 14:36:41 2008 UTC pkg/ChangeLog revision 1075, Wed Jun 2 17:52:04 2010 UTC
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1    2010-06-02  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
4            and Heaps' law.
5    
6    2010-05-18  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
9            provided by a source.
10    
11    2010-04-09  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/source.R (.Source): Provide document names.
14    
15    2010-04-07  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/meta.R (`content_or_meta`): Utility function.
18    
19    2010-03-19  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
22            TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
23    
24    2010-03-03  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/weight.R (weightTfIdf): Added normalization option.
27    
28            * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
29            analysis.
30    
31    2010-02-25  Ingo Feinerer  <feinerer@logic.at>
32    
33            * R/score.R (tm_tag_score): Compute a score from the number of
34            tags matching in a document.
35    
36    2010-02-18  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/complete.R (stemCompletion): New completion heuristics.
39    
40    2010-02-17  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
43    
44    2010-02-06  Ingo Feinerer  <feinerer@logic.at>
45    
46            * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
47            setOldClass(c(..., "list")) works.
48    
49    2010-01-22  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/transform.R (stemDocument.character): In case input is a
52            simple character just delegate to the default Snowball stemmer.
53    
54    2010-01-15  Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/reader.R (readReut21578XML, readRCV1): Extract more meta
57            data.
58    
59    2010-01-12  Ingo Feinerer  <feinerer@logic.at>
60    
61            * R/doc.R (`Content<-`): Be careful with names attribute.
62    
63    2010-01-07  Stefan Theussl  <stefan.theussl@wu.ac.at>
64    
65            * R/source.R (DirSource): Improved implementation especially when
66            handling many (> 1M) files.
67    
68    2009-12-22  Ingo Feinerer  <feinerer@logic.at>
69    
70            * R/source.R (getElem.URISource): Use encoding argument.
71    
72    2009-12-11  Ingo Feinerer  <feinerer@logic.at>
73    
74            * R/doc.R (setOldClass): Register S3 document classes to be
75            recognized by S4 methods.
76    
77    2009-11-25  Ingo Feinerer  <feinerer@logic.at>
78    
79            * R/matrix.R (termFreq): Add option to remove punctuation
80            characters.
81    
82    2009-11-19  Ingo Feinerer  <feinerer@logic.at>
83    
84            * R/matrix.R (c.TermDocumentMatrix): Added combine method for
85            merging multiple term-document matrices.
86    
87    2009-11-17  Ingo Feinerer  <feinerer@logic.at>
88    
89            * R/corpus.R (setOldClass): Register S3 corpus classes to be
90            recognized by S4 methods.
91    
92            * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
93            that CRAN Mac OS X builds do not fail any longer.
94    
95    2009-11-15  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/matrix.R (tokenize): Use scan(..., what = "character") instead
98            of RWeka:AlphabeticTokenizer() as default.
99    
100    2009-11-14  Ingo Feinerer  <feinerer@logic.at>
101    
102            * R/transform.R (removeWords.PlainTextDocument): Fix bug which
103            caused words at the beginning or the end of a line not to be removed. Do
104            not delete whitespace anymore.
105    
106    2009-11-12  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/source.R (DirSource): Default to working directory if no path
109            is specified.
110    
111    2009-11-11  Ingo Feinerer  <feinerer@logic.at>
112    
113            * R/source.R (DirSource): Stop on empty directories.
114    
115    2009-11-07  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
118            named documents.
119    
120    2009-10-21  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/transform.R (removeWords): Improve regular expressions.
123    
124    2009-10-19  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/meta.R (DublinCore): Allow lower case tags.
127    
128    2009-10-09  Ingo Feinerer  <feinerer@logic.at>
129    
130            * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
131            instead of x$children.
132    
133    2009-09-15  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
136    
137    2009-09-06  Ingo Feinerer  <feinerer@logic.at>
138    
139            * R/: Use S3 instead of S4 class system.
140    
141    2009-08-11  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/reader.R (readMail): Moved to tm.plugin.mail package.
144    
145    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
146    
147            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
148            postings are basically e-mails with some extra headers.
149    
150    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/transform.R: Move convertMboxEml, removeCitation,
153            removeMultipart, and removeSignature to the tm.plugin.mail package
154            since they are mainly utility functions (for handling e-mails) and
155            not very framework specific.
156    
157    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
158    
159            * man/: Fix documentation.
160    
161    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
162    
163            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
164            plain text document instead of an XML document for texts of the
165            Reuters-21578 dataset.
166    
167            * R/sparse.R: Removed since the slam package is now available on
168            CRAN.
169    
170            * DESCRIPTION (Depends): Add slam package.
171    
172    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
173    
174            * R/transform.R (stemDoc): Fix character(0) handling.
175    
176    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
177    
178            * R/doc.R (show): Pretty print.
179    
180    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
181    
182            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
183            gracefully.
184    
185    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
186    
187            * R/corpus.R: Make corpus virtual. Implement corpus with standard
188            and permanent storage semantics.
189    
190            * DESCRIPTION: New major release. A *lot* of improvements.
191    
192    2009-05-04   Ingo Feinerer <feinerer@logic.at>
193    
194            * NAMESPACE: Export some simple_triplet_matrix functions.
195    
196    2009-04-28   Ingo Feinerer <feinerer@logic.at>
197    
198            * R/weight.R: Adapt tf-idf to new matrix format.
199    
200    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
201    
202            * R/matrix.R: Create two distinct classes for term-document and
203            document-term matrices.
204    
205    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
206    
207            * R/termdocmatrix.R: No longer use Matrix package. This reduces
208            package start-up time significantly.
209    
210    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
211    
212            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
213    
214    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
215    
216            * R/transform.R (tmReduce): Combine multiple maps into one
217            transformation.
218    
219    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
220    
221            * R/weight.R: Remove weightLogical since it does not return a
222            dgCMatrix.
223    
224            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
225            or TermDocumentMatrix instead.
226    
227    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
228    
229            * inst/doc/extensions.Rnw: Finished vignette.
230    
231    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
232    
233            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
234            DocumentTermMatrix representations.
235    
236    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
237    
238            * R/reader.R (readXML): New reader for arbitrary XML files.
239    
240    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
241    
242            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
243            (XMLSource): New XMLSource class for arbitrary XML files.
244            (Source): New slot Vectorized.
245    
246    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
247    
248            * R/reader.R (readTabular): Experimental reader for tabular data
249            structures which can be customized via user-defined mappings.
250    
251            * R/reader.R: Always use UTC time zone.
252    
253            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
254    
255    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
256    
257            * R/reader.R (readDOC): Options can be passed over to antiword.
258    
259            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
260            pdftotext.
261    
262    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
263    
264            * R/source.R (DirSource): Add pattern and ignore.case arguments
265            which are internally passed over to list.files().
266    
267    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
268    
269            * inst/doc/tm.Rnw: Suppress pointless loading message.
270    
271    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
272    
273            * DESCRIPTION: Speed up package loading (via moving packages not
274            strictly necessary for normal operation to Suggests instead of
275            Depends).
276    
277    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
278    
279            * R/reader.R (readNewsgroup): The date format is now configurable.
280    
281    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
282    
283            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
284    
285    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
286    
287            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
288    
289    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
290    
291            * R/source.R (DataframeSource): New source class for data frames.
292    
293            * R/source.R: Fixed non-standard call evaluation.
294    
295    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
296    
297            * R/source.R (URISource): New source class for a single document.
298    
299    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
300    
301            * R/source.R: Refactoring.
302    
303    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
304    
305            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
306            Rmpi installations more gracefully.
307    
308    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
309    
310            * R/source.R (Source): Add Length slot.
311    
312    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
313    
314            * R/AAA.R: Unify duplicated .onLoad function.
315    
316    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
317    
318            * DESCRIPTION (Suggests): Added Rmpi.
319    
320    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
321    
322            * R/source.R (getElem): Fix 'no visible binding' warning.
323    
324            * man/WeightFunction.Rd: Fix signature.
325    
326    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
327    
328            * R/weight.R: Introduce name abbreviations for weighting functions.
329    
330    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
331    
332            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
333    
334            * R/cluster.R: Provide convenience functions for using a MPI
335            cluster.
336    
337            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
338            available.
339    
340            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
341            available.
342    
343    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
344    
345            * R/textdoccol.R (lapply): Removed debug print out.
346    
347    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
348    
349            * R/reader.R (readRCV1): Improved meta data extraction from
350            Reuters Corpus Volume 1 documents.
351    
352    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/transform.R: Ensure that all mappings preserve multiline
355            structures.
356    
357    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
358    
359            * R/filter.R: Every filter has now an attribute indicating whether
360            it sould be applied to document level (doclevel).
361    
362            * R/textdoccol.R (tmFilter): Set searchFullText as new default
363            filter.
364    
365    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
366    
367            * R/transform.R (replacePatterns): Replaced removeWords by
368            replacePatterns. Suggested by Christian Buchta.
369    
370            * R/textdoccol.R (inspect): Improved formatting.
371    
372    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
373    
374            * inst/CITATION: Updated JSS article information.
375    
376            * R/textdoccol.R (setAs): Added coerce method from list to
377            corpus.
378    
379            * R/meta.R (meta): Improved meta data handling.
380    
381    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
382    
383            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
384            Christian Buchta.
385    
386            * inst/CITATION: Added template to include JSS article reference.
387    
388    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
389    
390            * R/textdoccol.R (tmMap): Introduced lazy mapping.
391    
392            * R/source.R: Added VectorSource.
393    
394    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
395    
396            * man/: Language codes should be in ISO 639-1 format.
397    
398            * R/textdoccol.R (asPlain): Preserve local meta data.
399    
400    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
401    
402            * R/textdoccol.R (writeCorpus): Function for writing a corpus
403            containing plain text documents to disk.
404    
405    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
406    
407            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
408            always set correctly.
409    
410            * R/textdoccol.R: Set load = TRUE as default for load on demand
411            since in most cases this is the wanted behaviour.
412    
413  2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
414    
415          * R/: Renamed TextDocCol to Corpus, and Corpus to Content.          * R/: Renamed TextDocCol to Corpus, and Corpus to Content.

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