add.oddsratio.into.plot
                        Insert odds ratios of GAM(M)s into smoothing
                        function
calc.oddsratio.gam      Calculate odds ratios of Generalized Additive
                        (Mixed) Models
calc.oddsratio.glm      Calculate odds ratios of Generalized Linear
                        (Mixed) Models
pl.smooth.gam           Plot smoothing functions of GAM(M) models
