search for: ucovcoef

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2013 Apr 03
0
Help with lmRob function
...n a model with just the two variables that have an "Estimate" value of 1 (one categorical and one continuous), I get the following error message: 1: In lmRob.fit.compute(x, y, x1.idx = x1.idx, nrep = nrep, robust.control = robust.control, : Sum(psi.weight(wi)) less than 1e-06 in lmRob.ucovcoef. during initial estimation. 2: In lmRob.fit.compute(x, y, x1.idx = x1.idx, nrep = nrep, robust.control = robust.control, : Sum(psi.weight(wi)) less than 1e-06 in lmRob.ucovcoef. during final scale estimation. I do not understand what this error message means and have been unable to resolve it....