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Fig. 1
The mean value obtained from a Gaussian fit to a set of N data points randomly distributed following a Gaussian distribution centered on zero (solid horizontal line) with a standard deviation of 0.10. The dashed vertical line shows the limit of 200 points adopted as the minimum number of stars in each subfield.
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.