Turtle and Observer Command

sdev-of-frogs [list of commands]

Returns the standard deviation of the [list of commands] when evaluated across all the turtles of breed frogs.

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.

Note: When a turtle calls the command, it is not included as part of the calculation.

Examples:
sdev-of-frogs [speed] returns the standard deviation of the speed of all the turtles of breed frogs.


Related commands:
sdev-of-list sdev-of-patches