Hi  I have two questions 1- I am reading the documentation of the procedure (PROC GAMPL) (https://support.sas.com/documentation/onlinedoc/stat/141/hpgam.pdf) page (2918 ✦ Chapter 42: The GAMPL Procedure)    Table (Output 42.2.8 Tests for Smoothing Components) what is the difference between EDF for the fit and EDF for the test?    2- Page (Example 42.3: Nonparametric Negative Binomial Model for Mackerel Egg Density ✦ 2925 ) figure (Output 42.3.4 Smoothing Components Panel ) - how can I interpret the contour plot      3- Can I calculate the confusion matrix for the generalized additive model using PROC GAMPL ... View more