Extract theta parameters from a merMod model
A convenience function that returns the theta parameters for a
merMod object.
thetaExtract(merMod)
merMod |
a valid merMod object |
a vector of the covariance, theta, parameters from a merMod
merMod
(fm1 <- lmer(Reaction ~ Days + (Days | Subject), sleepstudy)) thetaExtract(fm1) #(a numeric vector of the covariance parameters)
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