Reports the sample standard deviation of a list of numbers. Ignores other types of items.
(Note that this estimates the standard deviation for a sample, rather than for a whole population, using Bessel's correction.)
show standard-deviation [1 2 3 4 5 6] => 1.8708286933869707 show standard-deviation [energy] of turtles ;; prints the standard deviation of the variable "energy" ;; from all the turtles
See this FAQ question for information on possible issues using standard-deviation with agentsets
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