Displaying 1 result from an estimated 1 matches for "getvarcovbugreport".
2007 Jun 25
3
Bug in getVarCov.gls method (PR#9752)
Hello,
I am using R2.5 under Windows.
Looks like the following statement
vars <- (obj$sigma^2)*vw
in getVarCov.gls method (nlme package) needs to be replaced with:
vars <- (obj$sigma*vw)^2
With best regards
Andrzej Galecki
Douglas Bates wrote:
>I'm not sure when the getVarCov.gls method was written or by whom. To
>tell the truth I'm not really sure what