Amatrix: Amatrix

In statsdavew/apts.doe: Example Experimental Designs (and Data) for APTS Design of Experiments

Description

Calculates an alias matrix for a fractional factorial experiment

Usage

Amatrix(X1, X2)

Arguments

X1	model matrix for the assumed model
X2	model matrix for the additional terms in the true model

Value

The alias matrix

Examples

library(FrF2)
design <- FrF2(8, 5, factor.names = paste0("x", 1:5))
X <- model.matrix(~(.) ^ 2, data = design)
X1 <- X[, 1:6]
X2 <- X[, 7:16]
round(Amatrix(X1, X2), 2)

statsdavew/apts.doe documentation built on Sept. 4, 2019, 10:03 p.m.