AER                     Absolute Excess Risk (AER)
LR                      Log-Rank test between an observed and an
                        expected survival curve
SMR                     Standardized Mortality Ratio (SMR)
data.example            Example data to illustrate the functions
survexp.fr              French data for the expected survival and
                        person years functions
survexp.fr-package      Relative survival, AER and SMR based on French
                        death rates
survexp_plot            Observed Kaplan-Meier, expected and relative
                        survival curves
