sum-of-patches-with [condition] [list of commands]
Reports the total value of [list of commands] when run over the turtles
that satisfy the condition . If there are no patches in which condition
is true, it reports 0. Note: This command can also be executed by patches, for example
within an ask-patches statement.
Examples:
sum-of-patches-with [pc = green or pc = blue] [density] returns the sum of the
densities of all patches which are blue or green.
Related commands:
sum-of-patches
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