[R] AlgDesign expand.formula()

S Ellison S.Ellison at lgc.co.uk
Thu Aug 9 16:21:27 CEST 2007

Can anyone explain why AlgDesign's expand.formula help and output differ?

#From help:
#  quad(A,B,C) makes ~(A+B+C)^2+I(A^2)+I(B^2)+I(C^2)

#actually gives ~(A + B + C)^2 + I(A + B + C^2)

They don't _look_ the same...

Steve E

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