statsmodels.robust.scale.iqr¶

statsmodels.robust.scale.iqr(a, c=np.float64(1.3489795003921634), axis=0)[source]¶

The normalized interquartile range along given axis of an array

Parameters:¶

a : array_like¶

Input array.

c : float, optional¶

The normalization constant, used to get consistent estimates of the standard deviation at the normal distribution. Defined as scipy.stats.norm.ppf(3/4.) - scipy.stats.norm.ppf(1/4.), which is approximately 1.349.

axis : int, optional¶

The default is 0. Can also be None.

Return type:¶

The normalized interquartile range