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stikman
2011 May 27
0
stinterp/spline - uniroot problem
Dear all,
I would like to fit growth data to a smooth curve (preferably using a
Stineman interpolation).
Then I would like to find the intersection of the curve with a horizontal
line (e.g. 0). See below for a coding example.
The root finding using 'uniroot' works fine if I fit the data with
'smooth.spline', but not if I fit the data with 'stinterp' (stinepack)...