12-run Plackett-Burman Design Matrix
12-run Plackett-Burman design matrix.
data(PB12Des)
A data frame with 12 observations on the following 11 variables.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
numeric vectors. Contrast factor.
Box G. E. P, Hunter, W. C. and Hunter, J. S. (2004). Statistics for Experimenters II. Wiley.
library(BsMD) data(PB12Des,package="BsMD") str(PB12Des) X <- as.matrix(PB12Des) print(t(X)%*%X)
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