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

By Steven F. Railsback, Volker Grimm

Agent-based modeling is a brand new procedure for realizing how the dynamics of organic, social, and different complicated structures come up from the features and behaviors of the brokers making up those platforms. This leading edge textbook provides scholars and scientists the talents to layout, enforce, and study agent-based versions. It starts off with the basics of modeling and offers an advent to NetLogo, an easy-to-use, unfastened, and strong software program platform. 9 chapters then every one introduce an immense modeling inspiration and exhibit how you can enforce it utilizing NetLogo. The booklet is going directly to current options for locating the precise point of version complexity and constructing concept for agent habit, and for interpreting and studying from models.

Agent-Based and Individual-Based Modeling beneficial properties concise and available textual content, a number of examples, and routines utilizing small yet clinical versions. The emphasis all through is on analysis--such as software program trying out, conception improvement, robustness research, and realizing complete models--and on layout concerns like optimizing version constitution and discovering strong parameter values.

the 1st hands-on creation to agent-based modeling, from conceptual layout to laptop implementation to parameterization and analysis
offers an advent to NetLogo with 9 chapters introducing an incredible modeling thought and displaying the way to enforce it utilizing NetLogo
choked with examples and routines, with updates and supplementary fabrics at http://www.railsback-grimm-abm-book.com/
Designed for college students and researchers around the organic and social sciences
Written by means of major practitioners

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Additional info for Agent-Based and Individual-Based Modeling: A Practical Introduction

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The statements we just wrote “ask” all patches to use a new value of their built-­in color variable pcolor. Patches by default have pcolor set to black (which is why the World looks like a big black square), but in our new setup procedure we use the primitive set to change it to red. The primitive set is called an “assignment” operator: it assigns a value (red) to a variable (pcolor). ) Test the new setup procedure by going to the Interface tab and clicking the setup button. All the patches should turn red.

What updates and changes happen in their environment? At this point in the protocol we write down a succinct description of each of the processes executed by the model’s entities. If the process is extremely simple, it can be described completely here. —and provide the details in the final part of the ODD description. The only processes that are not linked to one of the model’s entities are observer processes: we, the creators of the model, want to observe and record what the model entities do, and why and when they do it.

The ability of ABMs to address complex, multilevel problems comes at a cost, of course. Traditional modeling requires mathematical skills, especially differential calculus and statistics. But to use simulation modeling we need additional skills. This course is designed to give you three very important skills for using ABMs: A new “language” for thinking about and describing models. , emergence, adaptive behavior, interaction, sensing) that describe the important elements of ABMs. The software skills to implement models on computers and to observe, test, control, and analyze the models.

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