Fig. 5

Clusters from UK flight data for Monday, 18 October 2010 obtained using total variation distance in (20) and single linkage, with a dendrogram cutoff automatically selected along the lines mentioned in “Data reduction and anomaly detection” section. (L) Clusters displayed as cliques. (R) Transition matrix for β=1/〈Δτ〉 and ε=10⁻², with entries indicated by grayscale and indices/airports permuted to reflect clusters, which are themselves delineated by horizontal lines