Displaying 1 result from an estimated 1 matches for "tp19332210p19360761".
2008 Sep 05
2
using nls to fit a curve to data
Hi,
I am trying to fit a curve to data. My command line is:
model10=nls(offspring~((A*c^k)/gamma(k))*((degdays-alpha)^(k-1))*exp(-c*(degdays-alpha)),
start=list(A=30,k=2,c=.018,alpha=131))
I get the error message:
Error in numericDeriv(form[[3]], names(ind), env) :
Missing value or an infinity produced when evaluating the model
In addition: Warning message:
full precision was not