hypoTrioDat             Simulated data for a hypothetical example
plot.trioGxE            Graphical display of gene-environment
                        interaction between a SNP and a continuous
                        non-genetic attribute in case-parent trio data
test.trioGxE            Test of gene-environment interaction between a
                        SNP and a continuous non-genetic covariate from
                        case-parent trio data.
trioGxE                 Generalized additive model estimation of
                        gene-environment interaction using data from
                        case-parent trios
trioSim                 Simulate informative case-parent trios
