Turtle and Observer Command

sdev-of-patches `[list of commands]`

Returns the standard deviation of the given [list of commands] when evaluated across all the patches.

Note: If `[list of commands]` contains no numbers, an error occurs. If some of the `[list of commands]`, when evaluated, are not numbers, those values are ignored.

Examples:

sdev-of-patches [food] returns the stadard deviation of the food amongst all the patches.

Related commands:
sdev-of-list sdev-of-turtles