Cigar                   Cigarette Consumption
DGP1                    Simulated Panel-Data Set with Polynomial Factor
                        Structure and _exogenous_ regressors.
DGP2                    Simulated Panel-Data Set with Polynomial Factor
                        Structure and _endogenous_ regressors.
Eup                     Eup-Routine
KSS                     KSS-Routine
OptDim                  Estimation of the Factor Dimension
checkSpecif             Tests to check the model specifications
phtt-package            Panel Data Analysis with Heterogeneous Time
                        Trends
