| fitLCmulti | Function to fit multi-population mortality models | 
| forecast.fitLCmulti | Function to forecast multi-population mortality model | 
| MeasureAccuracy | Measures of Accuracy | 
| multipopulation_cv | Function to apply cross-validation techniques for testing the forecasting accuracy of multi-population mortality models | 
| multipopulation_loocv | Function to apply Leave-One-Out Cross-Validation (LOOCV) technique for testing the forecasting accuracy of multi-population mortality models | 
| plot.fitLCmulti | Function to plot the parameters of the multi-population mortality models | 
| plot.forLCmulti | Function to plot the parameters of the multi-population mortality models | 
| regions | regions | 
| SpainMap | Spain National map information | 
| SpainNat | Spain National Mortality data | 
| SpainRegions | Spain Regions Mortality data |