function clear(this)
%CLEAR  Clears data.

%  Author(s): 
%  Copyright 1986-2002 The MathWorks, Inc.
%  $Revision: 1.1.6.1 $ $Date: 2004/12/26 21:42:05 $

set(this, 'MeanValue', [],'StartTime',-inf,'EndTime',inf, 'Lowerlimit', [], ...
    'Upperlimit',[])