Revision history for Perl extension Statistics::Descriptive::Weighted.

0.50 Oct 2009

Contributed changes from Florent Angly:

1) Fixed some installation/test errors arising from changes to base class
2) Made second argument to add data, specifying weights, optional. If not
specified, weights of arguments set to 1
3) Revised some error messages

other minor changes

0.40 Feb 2009 

     - Redefinition of variance() and standard_deviation() (to
standard definitions of the unbiased estimators of those quantities,
and addition of biased_variance() and biased_standard_deviation().

0.30 Dec 2008 
     - Fixed an error in the SYNOPSIS regarding percentile. Added
more attribution to Andrew Johnson for Tree::Treap. Added contact
information. Fixed errors in Description. 

0.20 December 2008
     - Ported to Module::Install to fix Tree::Treap.pm provided dependency
testing bug

0.10 December 2008
     - Initital release