| data.mean | mean of adult mortality rates | 
| data.mean.child | mean of child mortality rates | 
| data.mortality | age-sex specific mortality rates data set | 
| data.mortality.child | child mortality rates data | 
| GPRMortality | Gaussian Process Regression for estimation and projection each age-sex combination of mortality rates | 
| GPRMortalityChild | Gaussian Process Regression for estimation and projection of child (under-5) mortality rates | 
| GPRMortalitySummary | summary table for Gaussian Process Regression results |