Proportion Mediated

Problem

Return the proportion mediated a*b/c, the share of the total effect that flows through the mediator. Return 0.0 when the total effect c is zero.

Hint

Divide the indirect effect by the total effect.

case 1

in: [0.5,0.4,2]

expected: 0.1

case 2

in: [1,1,0]

expected: 0

case 3

in: [-0.5,0.4,1]

expected: -0.2

case 4

in: [0.5,0.5,0.5]

expected: 0.5

Starter codePython

def proportion_mediated(a, b, c):
    # Your code here
    pass

4 test cases · run your code against them in the editor