nls in r iterations code example

Example: nls in r maxiter

# Fitting code using nonlinear least square:
nlc <- nls.control(maxiter = 1000)
fitmodel <- nls(y ~ ftanh(x, x0, a, b, k), control=nlc, start=list(x0 = 7, a = -29500, b = 17500, k = -0.032))