Information, influence and decision model

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1 collaborator

CJ Castillo (Author)

WHAT IS IT?

This is a model of how agents decide based on the information they get around themselves.

HOW IT WORKS

In this model, agents either face up or face down. However, they change their decision based on the number of agents that are facing the opposite direction within their radius of information and their receptiveness to additional information.

HOW TO USE IT

Enter the number of turtles in the system. Press setup to initiate the model. Press move to begin simulation. Press news to "shock" the system.

THINGS TO NOTICE

Checkout how the system evolves over time through the plot.

EXTENDING THE MODEL

This model can be extended to include more decisions for agents. Feedback mechanism can also be included so that agents' decisions will have consequences for each agent and for the whole system.

RELATED MODELS

See model library of netlogo.

Comments and Questions

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Click to Run Model

turtles-own [information]  ;;Information is just the distance of a turtle from other turtles

to setup
  clear-all
  reset-ticks
  create-turtles num-turtle [
    setxy random-xcor random-ycor
    set heading one-of [0 180]
    set information random-float 10
    ifelse heading = 0 [set color red][set color blue]
  ]
end 

to move
  ask turtles [
    forward 0.05
    change-direction
  ]

  tick
end 

to change-direction
  let current-turtle self
  ask current-turtle [
    ifelse count turtles with [distance current-turtle <= [information] of current-turtle and heading = 0] >
    count turtles with [distance current-turtle <= [information] of current-turtle and heading = 180] [
      set heading 0
      set color red]
    [set heading 180
      set color blue]
  ]
end 

to plot-turtles
  plot count turtles with [heading = 0]
end 

to news
  ask n-of (random count turtles) turtles [
    ifelse heading = 0 [
      set heading 180][set heading 0]
  ]
end

There are 2 versions of this model.

		Uploaded by	When	Description	Download
		CJ Castillo	over 6 years ago	Input for number of turtles has been added.	Download this version
		CJ Castillo	over 6 years ago	Initial upload	Download this version

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