sum_net | R Documentation |
Sums each regions flows to obtain net migration sums.
sum_net(m, region = 1:dim(m)[1])
m |
Matrix of origin-destination flows, where the first and second dimensions correspond to origin and destination respectively. |
region |
Integer value corresponding to the region that the net migration sum is desired. Will return sums for all regions by default. |
Returns a numeric value of the sum of a single block.
Guy J. Abel
r <- LETTERS[1:4]
m <- matrix(data = 1:16, nrow = 4, ncol = 4,
dimnames = list(orig = r, dest = r))
m
sum_net(m)
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