On 30/08/2010 6:40 PM, mtor...@math.carleton.ca wrote:
Dear all,
I was asked to send the following question:
We have some (raw) observations and would like to get the first and second
derivatives in R. Any comment would be appreciated.
Fit a model, and take derivatives of the fit. Which model? Depends on
the context.
Duncan Murdoch
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