![]() Can you explain why?įinally, do you think it is possible that not all turtles get the message when LINKS-PER-NODE is 2? Could you design a BehaviorSpace experiment that would help you answer this question? EXTENDING THE MODEL Do you understand why that happens? It never happens with the non-network version of this model. One thing you may notice is that, when LINKS-PER-NODE is 1, it sometimes happen that not all turtles get the message. Is the pattern of diffusion different or the same as the non-network version of this model? If it's different, can you explain why?ĭo you notice any difference between the pattern of transmission when LINKS-PER-NODE is 1 versus the pattern when LINKS-PER-NODE is 2? Then press GO to watch the message spread through the network. Press SETUP to create the turtles and the network linking them and give one turtle the message. HOW TO USE ITĬhoose the value of LINKS-PER-NODE to characterize the network. The network is formed randomly, by asking each turtle to create links with either one or two other turtles, depending on the value chosen for LINKS-PER-NODE. All turtles that have the message are colored red. If any of them have the message then the querying turtle gets the message. The way this is done is that each turtle queries the turtles it is linked with. In the GO procedure, the turtles pass messages. One of the turtles is given a message, and is colored red to indicate that it has the message. SETUP creates 500 turtles and gives them random coordinates in the world.Įach turtle creates links with two other turtles, to form a network. The plot helps you visualize how this value changes through time. The monitor keeps track of how many turtles have the message by reporting: count turtles with When a turtle gets the message, it turns red. One turtle starts out with a message (the red turtle) and she spreads the message to other turtles she is linked with. In this version, the turtles pass messages through a network. In the original code example, the turtles passed messages to nearby turtles. This code example is a variation on the Communication-T-T Example in the Code Examples section of the NetLogo models library. The model, as well as any updates to the model, can also be found on the textbook website. This model is in the IABM Textbook folder of the NetLogo Models Library. Introduction to Agent-Based Modeling: Modeling Natural, Social and Engineered Complex Systems with NetLogo. This model is from Chapter Five of the book "Introduction to Agent-Based Modeling: Modeling Natural, Social and Engineered Complex Systems with NetLogo", by Uri Wilensky & William Rand. You can also Try running it in NetLogo Web If you download the NetLogo application, this model is included. (back to the library) Communication-T-T Network Example NetLogo Models Library: Communication-T-T Network Example
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