Turtle and Observer Command

sdev-of-patches-with `[1st list of commands] [2nd list of commands]`

Returns the standard deviation of the `[2nd list of commands]` when evaluated across all the patches that satisfy the conditions (must return a boolean of true or false) specified by the `[1st list of commands]`.

Note: If `[2nd list of commands]` contains no numbers, an error occurs. If some of the `[2nd list of commands]`, when evaluated, are not numbers, those values are ignored.

Examples:
`sdev-of-patches-with [color = red] [food]` returns the standard deviation of the food of all the red patches.

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