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 -