who-are-not6.3.1

agentset who-are-not agentset agentset who-are-not agent

Takes an agentset on the left and an agentset or an agent on the right. Reports a new agentset containing all agents from the left-hand agentset that are not in the right-hand agentset (or are not the right-hand agent).

breed [frogs frog]
breed [mice mouse]

create-frogs 10
create-mice 10
create-turtles 10

; contains all the turtles who are not frogs
ask turtles who-are-not frogs [
  forward 1
]

Another example:

ask turtles [
  ; contains all the turtles this turtle is not linked to
  let targets (other turtles who-are-not link-neighbors)
  if count targets > 0 [
    create-link-with one-of targets
  ]
]