Why there is no p-value from likelihood ratio test using anova in GAM model fitting?
willow1980 <jianghua.liu <at> shef.ac.uk> writes:
However, when I run LRT to compare them, the test did not return F value and p-value for me. What's the reason? #################################################### Analysis of Deviance Table Model 1: sum_surv15 ~ s(FLBS) + s(byear) + s(FLBS, byear) Model 2: sum_surv15 ~ s(FLBS) + SES + s(byear) + s(FLBS, byear) Resid. Df Resid. Dev Df Deviance F Pr(>F) 1 1202.21094 601.27 2 1201.43848 601.29 0.77246 -0.02 ####################################################
-- Provide at least the command line you used -- Wild guess: Try to add test="F" (which is indicated in the docs) Dieter