public static double correlation( TupleDesc_F64 a, TupleDesc_F64 b) {
		final int N = a.value.length;
		double total = 0;
		for( int i = 0; i < N; i++ ) {
			total += a.value[i]*b.value[i];
		}

		return total;
	}
public static double correlation ( TupleDesc_F64 a , TupleDesc_F64 b ) { final int N = a . value . length ; double total = 0 ; for ( int i = 0 ; i < N ; i ++ ) { total += a . value [ i ] * b . value [ i ] ; } return total ; }
Correlation score

@param a First descriptor
@param b Second descriptor
@return Correlation score