statsmodels.emplike.descriptive.DescStatUV.ci_skew

DescStatUV.ci_skew(sig=0.05, upper_bound=None, lower_bound=None)

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