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statsmodels.emplike.descriptive.DescStatUV.test_var

DescStatUV.test_var(sig2_0, return_weights=False)[source]

Returns -2 x log-likelihoog ratio and the p-value for the hypothesized variance

Parameters:

sig2_0 : float

Hypothesized variance to be tested

return_weights : bool

If True, returns the weights that maximize the likelihood of observing sig2_0. Default is False

Returns:

test_results : tuple

The log-likelihood ratio and the p_value of sig2_0

Examples

>>> random_numbers = np.random.standard_normal(1000)*100
>>> el_analysis = sm.emplike.DescStat(random_numbers)
>>> hyp_test = el_analysis.test_var(9500)

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