data(drugDat)| [,1] | age | numeric |
| designed age of the crash dummy | [,2] | vel |
| numeric | velocity of the car at impact | [,3] |
| acl | numeric | acceleration of the car at impact |
| [,4] | y | numeric |
| outcome from test (1=fatal, 0=non-fatal) | [,5] | n |
| numeric | number of binomial trials. For this data, n is a vector of ones, thus each trial is modeled as a Bernoulli random variable. | [,1] |