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trunk/tm/ChangeLog revision 855, Sun May 25 15:35:00 2008 UTC pkg/ChangeLog revision 954, Wed May 27 18:33:32 2009 UTC
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1    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
4            gracefully.
5    
6    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/corpus.R: Make corpus virtual. Implement corpus with standard
9            and permanent storage semantics.
10    
11            * DESCRIPTION: New major release. A *lot* of improvements.
12    
13    2009-05-04   Ingo Feinerer <feinerer@logic.at>
14    
15            * NAMESPACE: Export some simple_triplet_matrix functions.
16    
17    2009-04-28   Ingo Feinerer <feinerer@logic.at>
18    
19            * R/weight.R: Adapt tf-idf to new matrix format.
20    
21    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/matrix.R: Create two distinct classes for term-document and
24            document-term matrices.
25    
26    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/termdocmatrix.R: No longer use Matrix package. This reduces
29            package start-up time significantly.
30    
31    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
32    
33            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
34    
35    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/transform.R (tmReduce): Combine multiple maps into one
38            transformation.
39    
40    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/weight.R: Remove weightLogical since it does not return a
43            dgCMatrix.
44    
45            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
46            or TermDocumentMatrix instead.
47    
48    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
49    
50            * inst/doc/extensions.Rnw: Finished vignette.
51    
52    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
55            DocumentTermMatrix representations.
56    
57    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
58    
59            * R/reader.R (readXML): New reader for arbitrary XML files.
60    
61    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
64            (XMLSource): New XMLSource class for arbitrary XML files.
65            (Source): New slot Vectorized.
66    
67    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/reader.R (readTabular): Experimental reader for tabular data
70            structures which can be customized via user-defined mappings.
71    
72            * R/reader.R: Always use UTC time zone.
73    
74            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
75    
76    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
77    
78            * R/reader.R (readDOC): Options can be passed over to antiword.
79    
80            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
81            pdftotext.
82    
83    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/source.R (DirSource): Add pattern and ignore.case arguments
86            which are internally passed over to list.files().
87    
88    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
89    
90            * inst/doc/tm.Rnw: Suppress pointless loading message.
91    
92    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
93    
94            * DESCRIPTION: Speed up package loading (via moving packages not
95            strictly necessary for normal operation to Suggests instead of
96            Depends).
97    
98    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/reader.R (readNewsgroup): The date format is now configurable.
101    
102    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
105    
106    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
109    
110    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/source.R (DataframeSource): New source class for data frames.
113    
114            * R/source.R: Fixed non-standard call evaluation.
115    
116    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
117    
118            * R/source.R (URISource): New source class for a single document.
119    
120    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/source.R: Refactoring.
123    
124    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
127            Rmpi installations more gracefully.
128    
129    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/source.R (Source): Add Length slot.
132    
133    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/AAA.R: Unify duplicated .onLoad function.
136    
137    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
138    
139            * DESCRIPTION (Suggests): Added Rmpi.
140    
141    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/source.R (getElem): Fix 'no visible binding' warning.
144    
145            * man/WeightFunction.Rd: Fix signature.
146    
147    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/weight.R: Introduce name abbreviations for weighting functions.
150    
151    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
154    
155            * R/cluster.R: Provide convenience functions for using a MPI
156            cluster.
157    
158            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
159            available.
160    
161            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
162            available.
163    
164    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/textdoccol.R (lapply): Removed debug print out.
167    
168    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * R/reader.R (readRCV1): Improved meta data extraction from
171            Reuters Corpus Volume 1 documents.
172    
173  2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175          * R/transform.R: Ensure that all mappings preserve multiline          * R/transform.R: Ensure that all mappings preserve multiline

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