However , the benchmark can only be computed from observable information .
The ShotLink database includes the most important of these factors : the distance from the hole and the condition of the ball ( e.g. , tee , fairway , green , sand , or rough ) .
However , the benchmark can only be computed from observable information , and the ShotLink database includes the most important of these factors : the distance from the hole and the condition of the ball ( e.g. , tee , fairway , green , sand , or rough ) .