statsmodels.gam.generalized_additive_model.GLMGamResults.test_significance

GLMGamResults.test_significance(smooth_index)[source]

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 : ContrastResults instance

the results instance created by wald_test