Table 1

Confusion matrix with number of forecast instances (absolute and relative) for the evaluation of binary forecasting the persistence of clear sky periods. Note that only the constant clear sky periods (61% of total) have been considered for the evaluation.

  Forecast Sum

Persistent clear Non-persistent clear
Persistent clear TP − 98 506 (95.4%) FP − 2884 (2.8%) 101 390 (98.2%)
Non-persistent clear FN − 533 (0.5%) TN − 1359 (1.3%) 1892 (1.8%)

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.