compute the precision @n of a list of ranked items . concode_field_sep PlaceHolder placeHolder concode_field_sep HashMap<Integer,Double> recallAt concode_elem_sep double recallAt concode_elem_sep double recallAt concode_elem_sep int hitsAt concode_elem_sep double AP
double function ( List < Integer > arg0 , Collection < Integer > arg1 , Collection < Integer > arg2 , int arg3 ) { return ( double ) hitsAt ( arg0 , arg1 , arg2 , arg3 ) / arg3 ; }