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_indexint

index of the smooth term within list of smooth terms

Returns:¶

wald_testContrastResults instance

the results instance created by wald_test