Hello,
This is cross posted [1] which is not well seen. Post and wait for an
answer, which you got and are now asking the same, why? Maybe with time
other answer will be posted to the first, original, question.
[1]
https://stackoverflow.com/questions/62051714/how-can-i-fix-an-error-in-nonlinear-regression-nls-function
Rui Barradas
Às 20:43 de 27/05/20, Vahid Borji escreveu:
Hello my R friends,
I am using the below commands in R:
attach(Puromycin)
Puromycin
plot(Puromycin$conc,Puromycin$rate)
mm=function(conc,vmax,k) vmax*conc/(k+conc)
mm
mm1=nls(rate~mm(conc,vmax,k),data=Puromycin,start=c(vmax=50,k=0.05),subset=state==”treated”)
mm1
Unfortunately, I receive the below error:
Error: unexpected input in
"mm1=nls(rate~mm(conc,vmax,k),data=Puromycin,start=c(vmax=50,k=0.05),subset=state==”"
How can I fix this error?
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