Report the individuals among turtles based on their who numbers
and breed.
Usage
turtle(turtles, who, breed)
# S4 method for agentMatrix,numeric,missing
turtle(turtles, who)
# S4 method for agentMatrix,numeric,character
turtle(turtles, who, breed)
Arguments
turtles
AgentMatrix object representing the moving agents.
who
Integer. Vector of the who numbers for the selected turtles.
breed
Characters. Vector of breed names for the selected turtles.
If missing, there is no distinction based upon breed.
Value
AgentMatrix of the selected turtles sorted in the order of
the who numbers requested. If breed was provided, the
turtles selected are of one of the breed.
Details
If no turtle matches the given who numbers, with potentially
one of the given
breed, inside turtles, then an empty agentMatrix is returned.
If there are duplicates who numbers among the turtles, the first
matching turtle with the requested who number is returned.
References
Wilensky, U. 1999. NetLogo. http://ccl.northwestern.edu/netlogo/.
Center for Connected Learning and Computer-Based Modeling,
Northwestern University. Evanston, IL.