def deriv2(self, p):
    "\n        Second derivative of the link function g''(p)\n\n        "
    p = self._clean(p)
    linpred = self.dbn.ppf(p)
    return (linpred / (self.dbn.pdf(linpred) ** 2))
Second derivative of the link function g''(p)
def deriv2(self, p):
    "\n        \n\n        "
    p = self._clean(p)
    linpred = self.dbn.ppf(p)
    return (linpred / (self.dbn.pdf(linpred) ** 2))