The data record the number of failures of a piece of electronic equipment
when operating in two modes.
For each operating period,
Mode1 records the time spent operating in one mode and Mode2 is the time spent operating another mode.
The total number of failures in each period is recorded.
Variables:
Mode1
The time operating in Mode 1 (in weeks)
Mode2
The time operating in Mode 2 (in weeks)
Failures
The number of failures recorded
Data Quality:
There are no missing values.
Source:
The OzDASL website,
maintained by Dr Gordon Smyth.
Notes:
The data are an example of a Poisson glm for which an identity link function
is appropriate.
References:
The original reference is
Jorgenson, D.W. (1961).
Multiple regression analysis of a Poisson process.
Journal of the American Statistical Association, 56, 235-245.