> results[i]<- nls(Tw ~ mu + ((alpha - mu)/(1 + exp(gamma*(B -
> Mean_Air,
> data = dem16,
> start = list(mu = 0.0001, alpha = 21.8, gamma = 0.22, B = 12.8))
> }
If you have a variable that codes "site" then you can try something
like this to get the parameters over sites.
Hello,
I am trying to apply a least squares non-linear regression to my
dataset, dem16. I can apply it to a subset based on a single site
fine, but I want to apply it to each (of 197) sites. I am stumbling
over a "for" loop. Site and Mean_Air are variables in my dataset and
I would like to
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