Prepare working covariance arguments
Details
The following arguments are supported:
name
The working covariance function. Currently, only
"compound_symmetry"
is supported.estimate
Whether to estimate the parameters. Must be
TRUE
(default) orFALSE
.ratio
The ratio of the variance of the random effects to the variance of the error term. If negative, the ratio is estimated to `log(n)`.
correlation
The correlation for AR(1).