Field Theory for recurrent mobility

Aggregated mobility flow information data as described in the paper "Field theory for recurrent mobility" by M. Mazzoli, A. Molas, A. Bassolas, M. Lenormand, P. Colet and J.J. Ramasco. File starting with “CEN” refer to census aggregated data in London, Manchester-Liverpool and Paris.Others refer to Twitter aggregated data in the same cities plus Los Angeles, Rio de Janeiro and Tokyo.Files ending with “C” refer to 1x1km^2 cells centroid projected coordinates in meters.They are structured as follow:cell index, x position, y positionFiles ending with “OD” are Origin-Destination sparse matrices.They are structured as follow:home cell index i, work cell index j, flow (number of people commuting from I to j)