penicillin: Penicillin yield by block and treatment
Description
The production of penicillin uses a raw material, corn steep liquor, is
quite variable and can only be made in blends sufficient for four runs.
There are four processes, A, B, C and D, for the production.
Arguments
Format
A data frame with 20 observations on the following 3 variables.
treat
a factor with levels ABCD
blend
a factor with levels Blend1Blend2Blend3Blend4Blend5