Description Usage Arguments Value Examples
Creates the Alias Matrix
1 | alias_matrix(X)
|
X |
an encoded first order design matrix of 0's, 1's, and 2's with f columns. |
The alias matrix that corresponds to all second order interactions compared to the main effects of X.
1 2 3 4 5 6 7 8 | ## Not run:
X <- ran_D(15, 3)
alias_matrix(X)
X1 <- rot(X, c(1,1,1))
alias_matrix(X1)
## End(Not run)
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