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...ed var/cov estimate" (as described in MacKinnon and White 1985) in a standard OLS regression? 2. Does R possess a LAD (Least Absolute Deviation) regression function? Any help? Thanks -- ======================================================== Angelo Secchi PGP Key ID:EA280337

...668735.7195 taht is no std error I've already tryied puuting a "digits = 6" with no success. What is the proper way to ask R to provide more digits in the std error? Thanks -- ======================================================== Angelo Secchi PGP Key ID:EA280337

..., ...) and I was wondering if there's around also a function to calculate standard error on these measures. If not, is anybody aware of where I can find a reference on this point? Thanks. -- ======================================================== Angelo Secchi PGP Key ID:EA280337

...f (Q^3>R^2) results2 <- case1() else print('ciccio') I get Error in eval(expr, envir, enclos) : Object "theta" not found I do not understand why, any help? Thanks -- ======================================================== Angelo Secchi PGP Key ID:EA280337

...new psi function in the rlm comand? In particular I would like to implement the case for \rho(u)=0.5*(u^2) and \psi(u)=u in order to assume normally distributed errors. Any help? Thanks -- ======================================================== Angelo Secchi PGP Key ID:EA280337