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init.S does not necessarily exist #2

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harrysouthworth opened this issue Jun 11, 2021 · 0 comments

harrysouthworth commented Jun 11, 2021

If I supply my own initial values via the init argument to lmrob, then the resulting object has no init.S, but does have init.

Using
beta.s <- lmrob.object$init$coefficients

appears to fix it, even if init.S is present but init is not (because R guesses what you meant).

Also,

lmrob.Chi <- robustbase::Mchi
lmrob.Psi <- robustbase::Mpsi

removes the need to have robustbase loaded.

Thanks,
Harry

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