Empirical CDF at Point

Problem

Return the fraction of values in data that are less than or equal to x. Return 0.0 for empty data.

Hint

Count values <= x and divide by n.

case 1

in: [[1,2,3,4],2.5]

expected: 0.5

case 2

in: [[1,2,3,4],4]

expected: 1

case 3

in: [[1,2,3,4],0]

expected: 0

case 4

in: [[5,5,5],5]

expected: 1

case 5

in: [[],1]

expected: 0

Starter codePython

def ecdf(data, x):
    # Your code here
    pass

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