Open Access

Table 6.

Spearman rank among the main quantities of the cluster sample studied by Cuciti et al. (2023) and also used here. Each cell is colored by the value within.

z M500 R500 P150 I0 Re
z 0.55 0.31 0.60 0.33 −0.02
M500 0.55 0.94 0.80 0.56 0.09
R500 0.31 0.94 0.70 0.49 0.17
P150 0.60 0.80 0.70 0.59 0.28
I0 0.33 0.56 0.49 0.59 −0.45
Re -0.02 0.09 0.17 0.28 −0.45

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.