Hey Dennis,
Thank you. This was helpful. It looks like the structure of my code was
incorrect. I was using a variable containing proportions as my D.V. instead
of using a two column vector. I re-ran the code using the following:
Y<-(successes/trials)
-Enrique
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Hi:
Here's a simple example of its use using the data from Montgomery, Myers and
Vining (2002), problem 4.7:
ex4.7 <- structure(list(pressure = c(2500L, 2700L, 2900L, 3100L, 3300L,
3500L, 3700L, 3900L, 4100L, 4300L), nfast = c(50L, 70L, 100L,
60L, 40L, 85L, 90L, 50L, 80L, 65L), nfailures = c(10L,
Hello R folks,
I have three questions. I am trying to run a logistic regression (binomial
family) where the response variable is a proportion. According to R
Documentation in "a binomial GLM prior weights are used to give the number
of trials when the response is the proportion of successes." H
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