Free Access

Fig. 10

image

RMSE of the error (differences) between the observed and forecasted 24-point moving average of the total sunspot area against the structural similarity SSIM for random choices of the forecasting algorithm’s input parameters. The higher the SSIM, the closer the forecast is to the observed sunspot butterfly diagram. This shows that similar quality forecasts, at least in terms of structural similarity, can have quite different .

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.