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Home
Learn NetLogo
What is NetLogo? Tutorial #0 Sample Model Tutorial #1 Models Tutorial #2 Commands Tutorial #3 Procedures
Documentation
NetLogo Dictionary Interface Guide Interface Tab Guide Info Tab Guide Code Tab Guide Programming Guide Transition Guide Preferences Guide Version History
Advanced Tools
Extension Manager Shapes Editor BehaviorSpace System Dynamics HubNet HubNet Authoring Logging Controlling Mathematica Link NetLogo 3D NetLogoLab Cluster Computing (HPC)
Extensions
Extensions Guide Arduino Array Bitmap CSV GIS GoGo LevelSpace Matrix Networks Palette Profiler Python Resource Rnd Sound Simple R Table Time Vid View2.5D
FAQ
primitive: user-yes-or-no?
NetLogo Dictionary
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user-yes-or-no? 2.0

user-yes-or-no? value

Reports true or false based on the user’s response to value.

value may be of any type, but is typically a string.

if user-yes-or-no? "Set up the model?"
[ setup ]

Note: This primitive is not compatible with NetLogo Web. If you wish to read a true or false value from the user with the same code and the same behavior in both NetLogo and NetLogo Web, see dialog:user-yes-or-no?.

See the User Interaction Primitives section of the Programming Guide for additional details.

Take me to the full NetLogo Dictionary.

NetLogo Dictionary: user-one-of

Documentation for the user-one-of primitive.

NetLogo Dictionary: variance

Documentation for the variance primitive.


NetLogo is a programmable modeling environment for simulating natural and social phenomena. It was authored by Uri Wilensky in 1999 and has been in continuous development ever since at the Center for Connected Learning and Computer-Based Modeling.

Related Links
  • NetLogo Home
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  • NetTango Web
  • NetLogo 3D
  • BehaviorSearch
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Copyright © 1999-2026 Uri Wilensky and the Center for Connected Learning and Computer-Based Modeling at Northwestern University . All rights reserved.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License , or (at your option) any later version.

Commercial licenses are also available. To inquire about commercial licenses, please contact Uri Wilensky at [email protected] .

For more information, visit the NetLogo website .