what is the mean dispersion model? how to model mean dispersion if the inverse link is linear, how would you estimate the coefficient of x$ in r? what is the distribution of the inverse function for r r inverse function what function represents overdispersion which functions of the model are linear what is mean in a linear inverse link function how to model the distribution of a count data what is the linear inverse link function in r what is the mean in the matrix of m/m/sigma what is the inverse function of the glm in r which type of function is used when modelling mean and dispersion for r? what is f(x) in a r model what is the inverse link function what is r f r calculating heteroscedasticity what is the value of the inverse link function what is the inverse of x what is mean and dispersion in r py