Re: [R] confidence interval for glm

2008-12-01 Thread Gavin Simpson
On Sun, 2008-11-30 at 01:15 -0500, David Winsemius wrote: > ?confint.glm # ... in MASS That provides confidence intervals on the parameters of the model, which is not what the OP wanted. He wants confidence intervals on: predict(mod, newdat) One way to do this is to compute them in the normal

Re: [R] confidence interval for glm

2008-11-29 Thread David Winsemius
?confint.glm # ... in MASS On Nov 28, 2008, at 9:29 AM, Gerard M. Keogh wrote: Hi all, simple Q: how do I extract the upper and lower CI for predicted probabilities directly for a glm - I'm sure there's a one line to do it but I can't find it. the predicted values I get with the predic

[R] confidence interval for glm

2008-11-28 Thread Gerard M. Keogh
Hi all, simple Q: how do I extract the upper and lower CI for predicted probabilities directly for a glm - I'm sure there's a one line to do it but I can't find it. the predicted values I get with the predict (.. "response") Thanks Gerard *