MediumTime Seriests-169

Peak Magnitude Error

Problem

Compute the peak magnitude error as max(forecast) - max(actual).

Return 0.0 if either series is empty.

Hint

Positive values mean the forecast overshoots the observed peak.

case 1

in: [[1,5,3],[1,2,6]]

expected: 1

case 2

in: [[3,1,2],[2,1,3]]

expected: 0

case 3

in: [[1,2],[5,8]]

expected: 6

case 4

in: [[],[]]

expected: 0

Starter codePython

def peak_magnitude_error(actual, forecast):
    # Your code here
    pass

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