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revision 911, Sun Mar 22 17:55:16 2009 UTC revision 957, Fri Jun 12 12:47:57 2009 UTC
# Line 1  Line 1 
1    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/doc.R (show): Pretty print.
4    
5    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
8            gracefully.
9    
10    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/corpus.R: Make corpus virtual. Implement corpus with standard
13            and permanent storage semantics.
14    
15            * DESCRIPTION: New major release. A *lot* of improvements.
16    
17    2009-05-04   Ingo Feinerer <feinerer@logic.at>
18    
19            * NAMESPACE: Export some simple_triplet_matrix functions.
20    
21    2009-04-28   Ingo Feinerer <feinerer@logic.at>
22    
23            * R/weight.R: Adapt tf-idf to new matrix format.
24    
25    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/matrix.R: Create two distinct classes for term-document and
28            document-term matrices.
29    
30    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
31    
32            * R/termdocmatrix.R: No longer use Matrix package. This reduces
33            package start-up time significantly.
34    
35    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
36    
37            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
38    
39    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
40    
41            * R/transform.R (tmReduce): Combine multiple maps into one
42            transformation.
43    
44    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/weight.R: Remove weightLogical since it does not return a
47            dgCMatrix.
48    
49            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
50            or TermDocumentMatrix instead.
51    
52    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
53    
54            * inst/doc/extensions.Rnw: Finished vignette.
55    
56    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
57    
58            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
59            DocumentTermMatrix representations.
60    
61    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/reader.R (readXML): New reader for arbitrary XML files.
64    
65  2009-03-22  Ingo Feinerer  <feinerer@logic.at>  2009-03-22  Ingo Feinerer  <feinerer@logic.at>
66    
67          * R/source.R (CSVSource): Defunct (use DataframeSource instead).          * R/source.R (CSVSource): Defunct (use DataframeSource instead).
# Line 6  Line 70 
70    
71  2009-03-21  Ingo Feinerer  <feinerer@logic.at>  2009-03-21  Ingo Feinerer  <feinerer@logic.at>
72    
73          * R/reader.R (readCustom): Experimental reader which can be          * R/reader.R (readTabular): Experimental reader for tabular data
74          customized via user-defined mappings.          structures which can be customized via user-defined mappings.
75    
76          * R/reader.R: Always use UTC time zone.          * R/reader.R: Always use UTC time zone.
77    

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