statsmodels.gam.generalized_additive_model.GLMGamResults.test_significance

GLMGamResults.test_significance(smooth_index)

hypothesis test that a smooth component is zero.

This calls wald_test to compute the hypothesis test, but uses effective degrees of freedom.

Parameters:

smooth_index (int) – index of the smooth term within list of smooth terms

Returns:

wald_test – the results instance created by wald_test

Return type:

ContrastResults instance