data = (
{
  class = "epdf_harness";
  epdf = {
    class = "eBeta";
	 alpha = [2.]; 
	 beta = [1.]; 
  };
  mean = [  0.6666666666];
  variance = [ 0.056];
  R = ("matrix", 1,1, [ 0.056 ]);
  support = {  
	  class = "rectangular_support";
  	ranges = ( [ 0.0, 1.0 ] );
  	gridsizes = [ 100];
	};
}
);

data_bck = (
{
  class = "epdf_harness";
  epdf = {
    class = "eBeta";
	 alpha = [2., 3.]; 
	 beta = [1., 2.]; 
  };
  mean = [  0.6666666666, 0.6];
  variance = [ 0.056,     0.04 ];
  R = ("matrix", 2,2, [ 0.056,0.,0., 0.04 ]);
  support = {  
	  class = "rectangular_support";
  	ranges = ( [ 0.0, 1.0 ], [0.0, 1.0 ] );
  	gridsizes = [ 100, 100 ];
	};
}
);