data = (
{
  class = "epdf_harness";
  epdf = {
    class = "eDirich";
	 beta = [1., 2., 3.]; 
  };
  mean = [  0.1666666666,    0.3333333333 ,  0.5000 ];
  variance = [ 0.0198,   0.0317,    0.0357 ];
  R = ("matrix", 3,3, [ 0.0198,0.,0., 0.,0.0317,0.,   0.,0.,0.0357 ]);
}
);