Call power.prop.test via Python

power_prop_test.py

# Need to change the values extracted, serves as aide-memoire for R <-> Python
def parse_robj(obj):
    """Extract n, p1 and p2 from R List from power.prop.test. """
    return (obj[obj.names.index("n")][0],
            obj[obj.names.index("p1")][0],
            obj[obj.names.index("p2")][0])

def call_power_prop_test(p1, n):
    P__ = %R power.prop.test(p1=$p1, n=$n, power=0.8)
    return parse_robj(P__)