migration.rate | R Documentation |
ANMR = 100\frac{ ∑_i |D_i - O_i| }{ ∑_i P_i }
where D_i is the total inflows to zone i and O_i is the total outflows from zone i.
migration.rate(m, PAR)
m |
migration matrix |
PAR |
population at risk |
Martin Bell and Salut Muhidin (2009) Cross-National Comparisons of Internal Migration. Research Paper. UNDP. https://hdr.undp.org/content/cross-national-comparisons-internal-migration
data(migration.world) migration.rate(migration.world, 6e+9)
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