Areal_level_data        Areal level data
Estimation              Estimating parameters along with corresponding
                        variances based on the proposed model.
Estimation_RealData     Estimating parameters along with corresponding
                        variances based on the proposed model with real
                        data.
Individual_level_data   Individual level data
NaiveEstimation         Estimating parameters along with corresponding
                        variances based on Naive model.
NaiveEstimation_RealData
                        Estimating parameters along with corresponding
                        variances based on Naive model with real data.
Regional_data           Regional data
