[R] Beta-Binomial Regression in R

[arun]

Hello,

Isn't the same question posted on stackoverflow (http://stackoverflow.com/questions/11705062/generating-beta-binomial-responses-with-covariates)?  I guess you got the answer there.

In general, cross-posting is not that preferred in R.

A.K.



----- Original Message -----
From: Anamika Chaudhuri <canamika at gmail.com>
To: r-help at r-project.org
Cc: 
Sent: Saturday, July 28, 2012 6:28 PM
Subject: [R] Beta-Binomial Regression in R

Hi All:

I am trying to generate Beta-Binomial data with regressors using R. I have
used the following code to generate Beta-Binomial data.  Now I want to add
a covariate to the equation. I would then like to use the simulated data to
run the Beta-Binomial model with covariates on it. Appreciate any help.

set.seed(111)
k<-20
n<-60
x<-NULL

p<-rbeta(k,3,3)# so that the mean nausea rate is alpha/(alpha+beta)
for(i in 1:k)
x<-cbind(x,rbinom(300,n,p[i]))

Thanks
Anamika

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