Go to the Sine-Fitting tab.
Note in the figure that the fit curve is displayed against the detrended time series for a sample curve from the set of samples.The summary table shows the results for the full set of samples.
For an overview of the sine-fitting method, click the blue question for a popup window.
Note that the R^2 statistic used in linear regression is not valid in this nonlinear regression setting. To provide a sense of goodness of fit, the root mean square error (RMSE) is provided instead.