What method to use to curve fit these data points mentioned below?
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I was working on some data and I want to fir my data similar to that of the "yellow line". The smoothing spline with "0.99" roughness is a little off track. Any insight on this one will be very helpful.
The figure is given as "fig" and data as "data1".
(in the data, the y-axis seems to have NaN values but while plotting thats not the case.)