Revision history for Perl extension Statistics::MaxEntropy.
0.4 Fri Jun 26 21:41:41 1998
- original version; created by h2xs 1.16
at that time named Stat::ME
0.5 ... Jul 3 9:32:00 1998
- first version uploaded to CPAN
0.6 Tue Jul 13 12:00:12 1998
- improved test.pl by adding input files that work
- extended the POD
0.7
- migrated package to object oriented perl
- placed the reading and writing of candidates outside MaxEntropy.pm
(in Candidates.pm)
- better handling of constant features and features that make
trouble for Newton's method (in IIS)
- dumping and undumping of event space (using Data::Dumper by
Gurusamy Sarathy)
- removed the info sub (obsolete because of the dumping facility)
- documentation adapted for oo interface
- adapted ME.wrapper.pl for new options (and removed the option
for information files which is now obsolete)
- added Monte Carlo sampling of the the event space
- added support for enumeration (for small event spaces)
0.8 Tue Oct 18 12:00:12 1998
- added sparse vector module: SparseVector.pm with interface very much
like Bit::Vector
- Candidates.pm and MaxEntropy.pm are configurable for choosing between
Statistics::SparseVector and Bit::Vector.
0.9 Sun Nov 21 20:03:21 1998
- enumeration of event space no longer stored in memory
- implemented Newton iteration (IIS) according to (Abney 1997)
- removed support for Bit::Vector; SparseVector runs the show now
-
1.0
- SparseVector and MaxEntropy support sparse integer vectors now