neighbours | R Documentation |
Find integers within some radius of the given ones.
neighbours(k, x = 1:max(k), r = 0)
k |
integers within whose neighbourhood to look |
x |
allowed integers |
r |
radius within which to look |
Returns those integers in x
which are at most r
from some integer in k
, i.e. the intersection of x
with the union of the balls of radius r
centred at the values of k
. The return values are unique and sorted.
is.element
, match
, findInterval
, stepcand
neighbours(c(10, 0, 5), r = 1)
neighbours(c(10, 0, 5), 0:15, r = 1)
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