Yields: matrix (CJ x T) or a list containing those matrices, where C is the number of countries, J - the number of maturities and T - time series length
RiskFactors: time series of risk factors (F x T). Could be stored in a list depending on the model
FactorLabels: string-list based which contains the labels of all variables present in the model
mat: vector of maturities (in years) used in the estimation
DataFrequency: single element character-based vector. Available options are: "Daily All Days",
"Daily Business Days", "Weekly", "Monthly", "Quarterly", "Annually"
Label_Multi_Models: string-vector containing the names of the multicountry setups
Economies: string-vector containing the names of the economies which are part of the economic system
ModelType: string-vector containing the label of the model to be estimated