[R-sig-eco] Transforming logits to probabilities

2010-07-08 Thread Manuel Spínola
Dear list members, I am using function invlogit from the "arm" package to get the difference in probabilities for a explanatory factor from the model below (I am working with factor "iluminacion"). > invlogit(-0.4241 - 0.4804 * 0) - invlogit(-0.4241 - 0.4804 * 1) # difference in probability

Re: [R-sig-eco] Transforming logits to probabilities

2010-07-08 Thread Farrar . David
bounds transformed as needed. r-sig-ecology-boun...@r-project.org wrote on 07/08/2010 07:52:14 AM: > From: > > Manuel Spínola > > To: > > r-sig-ecology@r-project.org > > Date: > > 07/08/2010 07:56 AM > > Subject: > > [R-sig-eco] Transforming l

Re: [R-sig-eco] Transforming logits to probabilities

2010-07-08 Thread Jari Oksanen
On 8/07/10 14:52 PM, "Manuel Spínola" wrote: > Dear list members, > > I am using function invlogit from the "arm" package to get the > difference in probabilities for a explanatory factor from the model > below (I am working with factor "iluminacion"). > Manuel, You do not need any special pac

Re: [R-sig-eco] Transforming logits to probabilities

2010-07-09 Thread Farrar . David
-project.org wrote on 07/08/2010 07:52:14 AM: > From: > > Manuel Spínola > > To: > > r-sig-ecology@r-project.org > > Date: > > 07/08/2010 07:56 AM > > Subject: > > [R-sig-eco] Transforming logits to probabilities > > Dear list members, > &g