statsmodels.tsa.base.prediction.PredictionResults.t_test¶

PredictionResults.t_test(value=0, alternative='two-sided')[source]¶

z- or t-test for hypothesis that mean is equal to value

Parameters:¶

valuearray_like

value under the null hypothesis

alternativestr

‘two-sided’, ‘larger’, ‘smaller’

Returns:¶

statndarray

test statistic

pvaluendarray

p-value of the hypothesis test, the distribution is given by the attribute of the instance, specified in __init__. Default if not specified is the normal distribution.