Hi,
I am running quantile regressions with replicates, but I don't know how
to calculate the Pseudo R squared for quantile regression with
replicates. I have used the following commands:
rho <- function(u,tau=.5)u*(tau - (u < 0))
V <- sum(rho(fit$resid, fit$tau))
where fit is my objective function
However, I get the following error message:
Error in fit$resid : $ operator is invalid for atomic vectors
Any suggestion please
--
Dr. Donia Smaali Bouhlila
Associate-Professor
Department of Economics
Faculté des Sciences Economiques et de Gestion de Tunis
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