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trunk/tm/ChangeLog revision 788, Sun Oct 14 12:16:26 2007 UTC pkg/ChangeLog revision 946, Wed May 13 18:07:35 2009 UTC
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1    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/corpus.R: Make corpus virtual. Implement corpus with standard
4            and permanent storage semantics.
5    
6            * DESCRIPTION: New major release. A *lot* of improvements.
7    
8    2009-05-04   Ingo Feinerer <feinerer@logic.at>
9    
10            * NAMESPACE: Export some simple_triplet_matrix functions.
11    
12    2009-04-28   Ingo Feinerer <feinerer@logic.at>
13    
14            * R/weight.R: Adapt tf-idf to new matrix format.
15    
16    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/matrix.R: Create two distinct classes for term-document and
19            document-term matrices.
20    
21    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/termdocmatrix.R: No longer use Matrix package. This reduces
24            package start-up time significantly.
25    
26    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
27    
28            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
29    
30    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/transform.R (tmReduce): Combine multiple maps into one
33            transformation.
34    
35    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/weight.R: Remove weightLogical since it does not return a
38            dgCMatrix.
39    
40            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
41            or TermDocumentMatrix instead.
42    
43    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
44    
45            * inst/doc/extensions.Rnw: Finished vignette.
46    
47    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
48    
49            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
50            DocumentTermMatrix representations.
51    
52    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/reader.R (readXML): New reader for arbitrary XML files.
55    
56    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
59            (XMLSource): New XMLSource class for arbitrary XML files.
60            (Source): New slot Vectorized.
61    
62    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
63    
64            * R/reader.R (readTabular): Experimental reader for tabular data
65            structures which can be customized via user-defined mappings.
66    
67            * R/reader.R: Always use UTC time zone.
68    
69            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
70    
71    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/reader.R (readDOC): Options can be passed over to antiword.
74    
75            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
76            pdftotext.
77    
78    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
79    
80            * R/source.R (DirSource): Add pattern and ignore.case arguments
81            which are internally passed over to list.files().
82    
83    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
84    
85            * inst/doc/tm.Rnw: Suppress pointless loading message.
86    
87    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
88    
89            * DESCRIPTION: Speed up package loading (via moving packages not
90            strictly necessary for normal operation to Suggests instead of
91            Depends).
92    
93    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
94    
95            * R/reader.R (readNewsgroup): The date format is now configurable.
96    
97    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
98    
99            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
100    
101    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
102    
103            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
104    
105    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
106    
107            * R/source.R (DataframeSource): New source class for data frames.
108    
109            * R/source.R: Fixed non-standard call evaluation.
110    
111    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
112    
113            * R/source.R (URISource): New source class for a single document.
114    
115    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
116    
117            * R/source.R: Refactoring.
118    
119    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
120    
121            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
122            Rmpi installations more gracefully.
123    
124    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/source.R (Source): Add Length slot.
127    
128    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
129    
130            * R/AAA.R: Unify duplicated .onLoad function.
131    
132    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
133    
134            * DESCRIPTION (Suggests): Added Rmpi.
135    
136    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/source.R (getElem): Fix 'no visible binding' warning.
139    
140            * man/WeightFunction.Rd: Fix signature.
141    
142    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
143    
144            * R/weight.R: Introduce name abbreviations for weighting functions.
145    
146    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
147    
148            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
149    
150            * R/cluster.R: Provide convenience functions for using a MPI
151            cluster.
152    
153            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
154            available.
155    
156            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
157            available.
158    
159    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
160    
161            * R/textdoccol.R (lapply): Removed debug print out.
162    
163    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
164    
165            * R/reader.R (readRCV1): Improved meta data extraction from
166            Reuters Corpus Volume 1 documents.
167    
168    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * R/transform.R: Ensure that all mappings preserve multiline
171            structures.
172    
173    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * R/filter.R: Every filter has now an attribute indicating whether
176            it sould be applied to document level (doclevel).
177    
178            * R/textdoccol.R (tmFilter): Set searchFullText as new default
179            filter.
180    
181    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
182    
183            * R/transform.R (replacePatterns): Replaced removeWords by
184            replacePatterns. Suggested by Christian Buchta.
185    
186            * R/textdoccol.R (inspect): Improved formatting.
187    
188    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
189    
190            * inst/CITATION: Updated JSS article information.
191    
192            * R/textdoccol.R (setAs): Added coerce method from list to
193            corpus.
194    
195            * R/meta.R (meta): Improved meta data handling.
196    
197    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
200            Christian Buchta.
201    
202            * inst/CITATION: Added template to include JSS article reference.
203    
204    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206            * R/textdoccol.R (tmMap): Introduced lazy mapping.
207    
208            * R/source.R: Added VectorSource.
209    
210    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
211    
212            * man/: Language codes should be in ISO 639-1 format.
213    
214            * R/textdoccol.R (asPlain): Preserve local meta data.
215    
216    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
217    
218            * R/textdoccol.R (writeCorpus): Function for writing a corpus
219            containing plain text documents to disk.
220    
221    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
224            always set correctly.
225    
226            * R/textdoccol.R: Set load = TRUE as default for load on demand
227            since in most cases this is the wanted behaviour.
228    
229    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
230    
231            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
232    
233            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
234    
235    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * R/meta.R (meta): New function for consistent access to meta data
238            of document collections, repositories, and texts.
239    
240    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/: Better support for encodings.
243    
244    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
245    
246            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
247            selection when no reader argument is given.
248    
249    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/source.R (CSVSource): Now uses read.csv instead of scan
252            internally.
253    
254    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
255    
256            * R/reader.R (getReaders): Returns available reader functions.
257    
258            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
259            as default.
260    
261    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
262    
263            * R/stopwords.R (stopwords): Shortened code, removed codetools
264            variable warnings.
265    
266            * man/: Documentation for showMeta, added an example for tmMap.
267    
268            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
269            some minor typos fixed.
270    
271    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
272    
273            * R/aobjects.R (showMeta): Added method for pretty printing a
274            text document's meta data.
275    
276    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * R/textdoccol.R (TextDocCol): Better handling of empty
279            arguments.
280    
281            * NAMESPACE: Exported readDOC.
282    
283            * man/completeStems.Rd: Added an example.
284    
285    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
286    
287            * R/stopwords.R (stopwords): Look up .dat files at every
288            call. Allows users to modify stopword .dat files interactively.
289    
290    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
291    
292            * R/termdocmatrix.R (termFreq): Correct processing of empty
293            documents.
294    
295    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * man/: Updated documentation.
298    
299    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * R/complete.R (completeStems): Completes (heuristically) word
302            stems.
303    
304            * R/termdocmatrix.R (TermDocMatrix2): New modular
305            constructor.
306    
307            * NAMESPACE: Exported termFreq.
308    
309    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
310    
311            * R/reader.R (readDOC): Added MS Word reader (using antiword).
312    
313  2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315          * R/weight.R: Weighting functions for TermDocMatrix.          * R/weight.R: Weighting functions for TermDocMatrix.

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