Odds Ratio to d

Problem

Convert an odds ratio to a standardized mean difference with d = ln(OR) * sqrt(3) / pi. Return 0.0 when the odds ratio is not positive.

Hint

The logit scale converts to the d scale by sqrt(3)/pi.

case 1

in: [1]

expected: 0

case 2

in: [2.25]

expected: 0.4470892603707035

case 3

in: [0.5]

expected: -0.3821520694228441

case 4

in: [10]

expected: 1.2694816959350916

case 5

in: [0]

expected: 0

Starter codePython

import math
def odds_ratio_to_d(odds_ratio):
    # Your code here
    pass

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