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Makes a contrast matrix for type III SS.
e3(x, eps=1e-8)
A contrast matrix for type III SS.
an output of ModelMatrix
Less than this value is considered as zero.
Kyun-Seop Bae k@acr.kr
It makes a contrast matrix for type III SS. If zapsmall is used, the result becomes more inaccurate.
round(e3(ModelMatrix(uptake ~ Plant + Type + Treatment + conc, CO2)), 12)
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