Description Usage Format References

This example is taken from Myers et al. (2002). It involves a designed experiment in a semiconductor plant. Six factors are employed, and it is of interest to study the curvature or camber of the substrate devices produced in the plant. There is a lamination process, and the camber measurement is made four times on each device produced. The goal is to model the camber taken in 10E-04 in. as a function of the design variables. Each design variable is taken at two levels and the design is a 2^(6-2) fractional factorial. The camber measurement is known to be nonnormal.

1 | ```
data("semicon")
``` |

A data frame with 64 observations on the following 8 variables.

`Device`

Devise number

`x1`

a x1 variable with two values

`-1`

and`1`

`x2`

a x2 variable with two values

`-1`

and`1`

`x3`

a x3 variable with two values

`-1`

and`1`

`x4`

a x4 variable with two values

`-1`

and`1`

`x5`

a x5 variable with two values

`-1`

and`1`

`x6`

a x6 variable with two values

`-1`

and`1`

`y`

camber measurement

Myers, P.H., Montgomery, D.C., and Vining, G.G. (2002). Generalized Linear Models with Applications in Engineering and the Sciences. John Wiley & Sons, New York.

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