[R] Logistic regression - confidence intervals

2006-02-08 Thread Cox, Stephen
Please forgive a rather naïve question... Could someone please give a quick explanation for the differences in conf intervals achieved via confint.glm (based on profile liklihoods) and the intervals achieved using the Design library. For example, the intervals in the following two outputs are

Re: [R] Logistic regression - confidence intervals

2006-02-08 Thread Prof Brian Ripley
On Wed, 8 Feb 2006, Cox, Stephen wrote: Please forgive a rather naïve question... Could someone please give a quick explanation for the differences in conf intervals achieved via confint.glm (based on profile liklihoods) and the intervals achieved using the Design library. Well, the Design

Re: [R] Logistic regression - confidence intervals

2006-02-08 Thread Frank E Harrell Jr
Cox, Stephen wrote: Please forgive a rather naïve question... Could someone please give a quick explanation for the differences in conf intervals achieved via confint.glm (based on profile liklihoods) and the intervals achieved using the Design library. For example, the intervals in