Returns -2 x log likelihood and the p-value for a multivariate hypothesis test of the mean
mu_array : 1d array
Hypothesized values for the mean. Must have same number of elements as columns in endog
return_weights : bool
If True, returns the weights that maximize the likelihood of mu_array. Default is False.
test_results : tuple
The log-likelihood ratio and p-value for mu_array
statsmodels.emplike.descriptive.DescStatMV.mv_mean_contour
statsmodels.emplike.descriptive.DescStatMV.test_corr
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