Fig. 3From: Uncovering the internal structure of Boko Haram through its mobility patternsMetric of specialisation S(ν, μ) of Boko Haram cells according to their speed ν and their maximum distance between two consecutive events μ. Cells are more specialised if they commit more attacks, armed clashes, suicide bombs or other types of events than expected. The region inside the white frame had the highest level of specialisation of the whole parameter spaceBack to article page