tools.tools.ECDF()

statsmodels.tools.tools.ECDF

class statsmodels.tools.tools.ECDF(x, side='right')

Return the Empirical CDF of an array as a step function.

Parameters:	x : array-like Observations side : {?left?, ?right?}, optional Default is ?right?. Defines the shape of the intervals constituting the steps. ?right? correspond to [a, b) intervals and ?left? to (a, b].
Returns:	Empirical CDF as a step function. :

Examples

>>> import numpy as np
>>> from statsmodels.distributions.empirical_distribution import ECDF
>>>
>>> ecdf = ECDF([3, 3, 1, 4])
>>>
>>> ecdf([3, 55, 0.5, 1.5])
array([ 0.75,  1.  ,  0.  ,  0.25])

Methods