statsmodels.emplike.descriptive.DescStatUV.ci_skew

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

Returns the confidence interval for skewness.

Parameters
sigfloat

The significance level. Default is .05

upper_boundfloat

Maximum value of skewness the upper limit can be. Default is .99 confidence limit assuming normality.

lower_boundfloat

Minimum value of skewness the lower limit can be. Default is .99 confidence level assuming normality.

Returns
Intervaltuple

Confidence interval for the skewness

Notes

If function returns f(a) and f(b) must have different signs, consider expanding lower and upper bounds