dPGaGEV                 The probability density function (PDF) of the
                        power Garima-generalized extreme value
                        distribution(PGaGEV).
pPGaGEV                 The cumulative distribution function (CDF) of
                        the power Garima-generalized extreme value
                        distribution(PGaGEV).
qPGaGEV                 The quantile function of the power
                        Garima-generalized extreme value
                        distribution(PGaGEV).
rPGaGEV                 The random generating function of the power
                        Garima-generalized extreme value
                        distribution(PGaGEV).
