distributions.empirical_distribution.ECDF()

statsmodels.distributions.empirical_distribution.ECDF

class statsmodels.distributions.empirical_distribution.ECDF(x, side='right') [source]

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

doc_statsmodels
2017-01-18 16:08:29
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