statsmodels.emplike.descriptive.DescStatUV.ci_skew¶
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DescStatUV.
ci_skew
(sig=0.05, upper_bound=None, lower_bound=None)[source]¶ Returns the confidence interval for skewness.
Parameters: sig : float
The significance level. Default is .05
upper_bound : float
Maximum value of skewness the upper limit can be. Default is .99 confidence limit assuming normality.
lower_bound : float
Minimum value of skewness the lower limit can be. Default is .99 confidence level assuming normality.
Returns: Interval : tuple
Confidence interval for the skewness
Notes
If function returns f(a) and f(b) must have different signs, consider expanding lower and upper bounds