CCD design for cement workability experiment
Data from the CCD design for cement workability experiment in chapter 10 of Design and Analysis of Experiments with R
data(cement)
A data frame with 20 observations on the following 4 variables.
Blocka factor with levels 1 2
x1a numeric vector
x2a numeric vector
x3a numeric vector
ya numeric vector
Design and Analysis of Experiments with R, by John Lawson, CRC/Chapman Hall
data(cement)
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