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Diff of /trunk/tm/ChangeLog

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revision 710, Mon Jan 22 12:35:10 2007 UTC revision 747, Fri Apr 27 18:16:53 2007 UTC
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1    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
4            \pkg{filehash} version makes them deprecated.
5    
6    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R (textvector): Stemming is now performed before
9            erasing stopwords.
10            (weightMatrix): Adapted to handle sparse matrices.
11            (TermDocMatrix): Sparse matrix is now efficiently built by
12            direct stepwise insertion of row values into it.
13    
14    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
17            due to ongoing problems. For our purposes the latter is as useful
18            as the replaced package.
19    
20    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
23    
24            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
25    
26    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
29            languages with available stopwords.
30    
31    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * inst/doc/tm.Rnw: Minor corrections in the vignette.
34    
35    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * DESCRIPTION: Update to version 0.2, since a lot of new features
38            have been integrated.
39    
40            * inst/stopwords: Updated existing stopwords and added stopwords
41            for various other languages.
42    
43    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * man/: Updated documentation.
46    
47            * Work/testDb.R: Script to test database stuff.
48    
49            * R/: Fixed various database related bugs. Seems to be rather
50            useable now, i.e., consider as alpha status for now.
51    
52    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * R/: Fixed some bugs related to database support.
55    
56    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * man/: Added a lot of examples to the manuals.
59    
60    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * man/: Updated parts of the documentation.
63    
64            * R/textdoccol.R (asPlain): Added conversion from newsgroup
65            documents to plain text documents.
66    
67    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/textdoccol.R: Finished experimental database support. Not yet
70            intensively tested.
71    
72            * R/source.R: Now each source has a default reader.
73    
74            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
75            class anymore.
76    
77            * R/plaintextdoc.R: Custom show method for plain text documents.
78    
79            * R/aobjects.R: Added a class for structured text documents.
80    
81            * R/reader.R: Replaced remaining \code{parser} occurrences with
82            \code{reader}.
83    
84            * R/textdoccol.R (summary): Indent tags.
85    
86            * R/textdoccol.R (removePunctuation): Transform method to remove
87            punctuation marks.
88    
89    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
92            using prescindMeta().
93    
94    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
95    
96            * R/textdoccol.R: Improved database support.
97    
98    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
101    
102            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
103            language code.
104    
105            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
106            into parserControl argument.
107    
108            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
109    
110    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * Work/tmDataSetup.R: The datasets acq and crude can now be
113            created on the fly.
114    
115            * R/stopwords.R: Introduced a function returning the stopwords for
116            a given language (English, German and French at the moment)
117    
118            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
119            otherwise falls back to Snowball package.
120    
121    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * man/dissimilarity-methods.Rd: Make clear that any method offered
124            by "dists" from package "cba" can be used.
125    
126  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128          * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according          * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according

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