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346l
2008 Feb 16
2
Possible overfitting of a GAM
...the bin width was
intentionally set to be narrow, in order to improve the amount of timing
information gathered.
http://tinyurl.com/3xjsyo displays the fitted curve. A GAM was used, with
the loess smoothing algorithm (locally weighted regression). The default
span was used. http://tinyurl.com/34av6l gives the scatterplot and the
fitted curve. The two seem to match reasonably well.
However, when I tried to generate the standard errors, things went awry.
(Please see http://tinyurl.com/38ej2t ) There are three curves, seemingly
the fitted curve and the curves for plus and minus two standard e...