data = (
{
  class = "pdf_harness";
  pdf = {
    class = "emix";
    pdfs = ( 
    {
		class = "enorm<ldmat>";
		mu = [ 1.5 1.7 ];
		R = ( "matrix", 2, 2, [ 1.2, 0.3, 0.3, 5 ] );
    },
    {
		class = "egamma";
		alpha = [ 100000 10000 ];
		beta = [ 10000 1000 ];	
    });
    weights = [ 0.5, 0.5 ];
  };
  mean = [ 1.5 1.7 ];
  R = ( "matrix", 2, 2, [ 1.27572, 0.778247, 0.778247, 3.33129 ] );
# TODO CO S TIM? R, variance
  variance = [ 1.2, 5.0 ];
  tolerance = 0.1;
});