Agent-Based and Individual-Based Modeling: A Practical by Steven F. Railsback, Volker Grimm PDF

By Steven F. Railsback, Volker Grimm

ISBN-10: 0691136734

ISBN-13: 9780691136738

Agent-based modeling is a brand new process for knowing how the dynamics of organic, social, and different advanced structures come up from the features and behaviors of the brokers making up those structures. This cutting edge textbook offers scholars and scientists the talents to layout, enforce, and research agent-based types. It starts off with the basics of modeling and gives an creation to NetLogo, an easy-to-use, loose, and robust software program platform. 9 chapters then every one introduce an enormous modeling thought and convey how you can enforce it utilizing NetLogo. The booklet is going directly to current thoughts for locating the fitting point of version complexity and constructing concept for agent habit, and for interpreting and studying from models.

Agent-Based and Individual-Based Modeling positive aspects concise and available textual content, a number of examples, and routines utilizing small yet medical types. The emphasis all through is on analysis--such as software program checking out, conception improvement, robustness research, and knowing complete models--and on layout concerns like optimizing version constitution and discovering solid parameter values.

the 1st hands-on advent to agent-based modeling, from conceptual layout to laptop implementation to parameterization and analysis
offers an creation to NetLogo with 9 chapters introducing a big modeling proposal and exhibiting tips to enforce it utilizing NetLogo
jam-packed with examples and routines, with updates and supplementary fabrics at http://www.railsback-grimm-abm-book.com/
Designed for college kids and researchers around the organic and social sciences
Written by means of prime practitioners

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Example text

Try to understand the model’s purpose from the Information tab, and its code. 6. Join the on-­line NetLogo Users Group by following the links on the NetLogo web site. The users group is an email forum where users ask and answer questions about NetLogo programming and modeling. Belonging to the users group is valuable because it gives you an idea of the kinds of projects people use NetLogo for, the problems they encounter, and the solutions. ) As you learn NetLogo you should participate in this group by asking and answering questions.

Therefore, we need to specify observation processes that do things like display the model’s status on graphical displays and plots and write statistical summaries to output files. The ODD protocol includes description of observer processes because the way we observe a model—the kind of “data” we collect from it and how we look at those data—can strongly affect how we interpret the model and what we learn from it. At the same time we specify the processes that are explicitly represented in the model, we also specify the model’s schedule: the order in which the processes are executed by the computer.

Agent Monitors are tools to see, and change, the variables of an agent (turtle, patch, or link). Move the cursor over one of the hunters and right-­click. ” An Agent Monitor opens that includes two panels: a zoomed view on the inspected turtle and its environment, and a list of all variables of the turtle: its position, color, heading, etc. The turtle variable we created, time-­since-­last-­found, is also listed. ) You can restart the model by clicking go and observe how the variables change. 26 Chapter 2 Not only can you see an agent’s variables with an Agent Monitor; you can also change their value whenever you want, just by entering a new value in the monitor.

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Agent-Based and Individual-Based Modeling: A Practical Introduction by Steven F. Railsback, Volker Grimm


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