Returns the confidence interval of the value, effect of the
constraint.
This is currently only available for t and z tests.
- Parameters:
- alpha : float, optional
The significance level for the confidence interval.
ie., The default alpha = .05 returns a 95% confidence interval.
- Returns:
ci – The array has the lower and the upper limit of the confidence
interval in the columns.
- Return type:
ndarray, (k_constraints, 2)