data frame/data.table containing the commuting flows between grid cells in the Sardinia region; from Italian Population Census 2011. Each row corresponds to an observation i.e. a flow and each column corresponds to a variable. The variables are: community_live, community work and amount, in this order. The meaning of the variables is the following: community_live, Character, containing the id of the grid cell where the commuters live, community_work, character, containing the id grid cell where the commuter/commuters work and amount, numeric, containing the number of commuter/commuters commuting between community_live and community_work (direction is important).
data(SardiniaGrid)Daniela Ichim, Luisa Franconi