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aov
2010 Feb 09
2
Model matrix using dummy regressors or deviation regressors
...matrix for the code at the end the email is shown below.
Since the model matrix doesn't have -1, I think that it is made of
dummy regressors rather than deviation regressors. I'm wondering how
to make a model matrix using deviation regressors. Could somebody let
me know?
> model.matrix(aaov)
(Intercept) A2 B2 B3 A2:B2 A2:B3
1 1 0 0 0 0 0
2 1 0 0 0 0 0
3 1 0 0 0 0 0
4 1 0 0 0 0 0
5 1 1 0 0 0 0
6 1 1 0 0 0 0
7 1 1 0 0 0 0
8...