Tried this, it does not seem to work.
It is really simple what I am trying to do. I have a pre-specified best-fit
line, and wish to run some diagnostic tests for goodness of fit.
I will play around with the predict function, thanks a lot David!
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I have hunted around but cannot find the command which allows me to specify
parameters of a model.
For example,
model.m1 <- nls(y ~ alpha * x1/(beta + x1), data = data, start = list(beta =
20, alpha = 120), trace = TRUE)
This will estimate the parameters, which allows to investigate the
residual
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