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colmodel
2012 Oct 09
1
car::linearHypothesis Sum of Sqaures Error?
...-1),3,2)
dimnames(Transect_moisture_contrasts)<-list(levels(env$Moisture),c("I vs. X&M","X vs. M"))
contrasts(env$Moisture)<-Transect_moisture_contrasts
> contrasts(env3l$Moisture)
I vs. X&M X vs. M
X -1 1
I 2 0
M -1 -1
soilmodel<-lm(MSOIL~Forest+Burn*Thin*Moisture+ROCK,data=env3l)
> linearHypothesis(soilmodel,"MoistureI vs. X&M")
Linear hypothesis test
Hypothesis:
MoistureI vs. X&M = 0
Model 1: restricted model
Model 2: MSOIL ~ Forest + Burn * Thin * Moisture + ROCK
Res.Df RSS Df Sum of Sq...