Sample an index of a vector weighted by the elements
Returns a random index, weighted by the element magnitudes. This function is intended to be used as an optional strategy for trajectoryAssignments, resulting in randomly sampled cluster membership.
which.weight(x)
x |
A positive |
An integer giving the index of the sampled element.
x = c(.01, .69, .3) which.weight(x) #1, 2, or 3
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