:
kindly help correct this program as given below i run and run is given me some
error
rm(list=ls())
require(stats)
require(robustbase)
x1<-as.matrix(c(5.548,4.896,1.964,3.586,3.824,3.111,3.607,3.557,2.989))
y<-as.matrix(c(2.590,3.770,1.270,1.445,3.290,0.930,1.600,1.250,3.450))
x2<-as.matrix(c(0.137,2.499,0.419,1.699,0.605,0.677,0.159,1.699,0.340))
k<-rep(1,9)
x<-data.frame(k,x1,x2)
xx<-data.frame(y,x1,x2)
freg<-function(y,x1,x2){
reg<- lm(y ~ x1 + x2 , data=x)
return(reg)
}
fit<-freg(y,x1,x2)
b<-as.matrix((coef(fit)))
f<-function(b,x1,x2){
fit<-nlrob(y ~ x1 / (1+ b[1]*x2^b[2]),data = xx, start =
list(b[2],b[3]))
return(fit)
}
fit1<-f(b,x1,x2)
Error in nlrob(y ~ x1/(1 + b[1] * x2^b[2]), data = xx, start = list(b[2], :
'start' must be fully named (list or numeric vector)
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