jpl <s-jlubben1 <at> math.unl.edu> writes: > > How do I extract the standard errors of the coefficients in a glm.nb model? library(MASS) quine.nb1 <- glm.nb(Days ~ Sex/(Age + Eth*Lrn), data = quine) sumnb1 = summary(quine.nb1) sumnb1 str(sumnb1) # tells you about the anatomy. Check for $coefficients Dieter