Apologies for this simple question -

Given the number of comparisons I need to do it has become somewhat
laborious to compute the SSE manually. I first have to extract the
coefficients, build the model and run the model on the data. So far I
haven't found any method in R that will do this for me. Is there a method
that I haven't seen, or is there a small function I could write that would
do this, and how might I go about that?

Thanks,

Brian

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