Turtle and Observer Command
variance-of-patches-with `[1st list of commands] [2nd list of commands]` Returns the variance 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: `variance-of-patches-with [color = red] [food]` returns the varianceof the food of all the red patches. Related commands: variance-of-list variance-of-patches