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Diff of /trunk/tm/ChangeLog

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revision 736, Sat Apr 14 17:37:16 2007 UTC revision 748, Fri May 4 18:52:42 2007 UTC
# Line 1  Line 1 
1    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
4            on sparse matrices as proposed by Martin Maechler.
5    
6    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
9            \pkg{filehash} version makes them deprecated.
10    
11    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/termdocmatrix.R (textvector): Stemming is now performed before
14            erasing stopwords.
15            (weightMatrix): Adapted to handle sparse matrices.
16            (TermDocMatrix): Sparse matrix is now efficiently built by
17            direct stepwise insertion of row values into it.
18    
19    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
22            due to ongoing problems. For our purposes the latter is as useful
23            as the replaced package.
24    
25    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
28    
29            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
30    
31    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
34            languages with available stopwords.
35    
36  2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38          * inst/doc/tm.Rnw: Minor corrections in the vignette.          * inst/doc/tm.Rnw: Minor corrections in the vignette.

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