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2 results for “from:Carlos Sperber”

R kills procedure during model fitting
Carlos Sperber · Oct 1, 2002 · r-help

I am trying to fit a model with nested blocks and 12650 lines (units), and when I try to fit the complete model, R kills the procedure. Within Windows it does not work - ok, I expected that - but this does...

robust regression and poisson errors
Carlos Sperber · Oct 9, 2003 · r-help

We have done a multiple regression (glm) with non-orthogonal design and two correlated explanatory variables, and poisson errors, because the response variable is a count (number of species). The parameter estimates calculated were opposite to the tendency observed in...

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