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newminfactor
2006 Aug 04
1
gnlsControl
When I run gnls I get the error:
Error in nls(y ~ cbind(1, 1/(1 + exp((xmid - x)/exp(lscal)))), data = xy, :
step factor 0.000488281 reduced below 'minFactor' of 0.000976563
My first thought was to decrease minFactor but gnlsControl does not contain
minFactor nor nlsMinFactor (see below). It does however contain nlsMaxIter
and nlsTol which I assume are the analogs of maxiter and tol in nls.control.
I would be happy to hear from anyone who has an idea on what parameters in
gnlsControl to change to get convergence.
Cheers
Dan Coleman
Genentech Inc.
> gn...