\frametitle{Exponential regression in R} Previous model not implemented in R function {\tt glm}.\\ Work around: use a Gamma distribution and twist the results. \begin{verbatim} ## fits a glm under the more general assumption ## of a Gamma distribution glm.res <- glm(formula= (y~ x), family=(Gamma(link=log))) ## extract some results from model fit now under ## the assumption that the distribution was exponential summary(glm.res,dispersion=1) \end{verbatim}