as.matrix.coef_diff_by_group_stan
                        S3 as.matrix for result of coef_diff_by_group
coef_diff_by_group      Tabulates breath test parameter differences of
                        groups from Stan group fit
sigma.breathteststanfit
                        S3 method to exctract the residual standard
                        deviation
stan_fit                Bayesian Stan fit to 13C Breath Data
stan_group_fit          Bayesian Stan fit to 13C Breath Data in
                        Multiple Groups
