function clear(this)
%CLEAR  Clears data.

%  Author(s): 
%  Copyright 1986-2002 The MathWorks, Inc.
%  $Revision: 1.1.6.1 $ $Date: 2004/12/26 21:41:53 $

set(this,'Value',[],'Variance',[],'LVariance',[],'RVariance',[])