getvcov-methods {cold} | R Documentation |
getvcov
Extract the variance-covariance matrix of a fitted model object from class cold
.
signature(object="cold")
:Returns a numeric value corresponding to the variance-covariance matrix of the fixed effect estimates.
##### data = seizure
### AR1
seiz1M <- cold(y ~ lage + lbase + v4 + trt + trt:lbase, data = seizure,
start = NULL, dependence = "AR1")
getvcov(seiz1M)