This error occurs when a reporter preceding the of primitive is not enclosed in brackets ( ). OF expected this input to be a reporter block, but got a number instead.
#Netlogo reporter code#
While the following code would work just fine: to go Because each procedure must conclude with the end primitive, simply add it after your procedure’s code to fix the error.įor example, the code below would show this error: to go NetLogo will either state which line the end is missing from, or will highlight the line in code. This error occurs when we forget to add end to the end a procedure.
For example, writing set-xy instead of setxy, or move-to instead of moveto will get this error. Lastly, this error can happen when you have accidentally misspelled something, usually a variable name or primitive. We can solve this issue by defining the stress-level variable at the top of the code tab: turtles-own Īsk turtles ] If no other bracket is highlighted, you know you are missing one!įor example, the following code would show this error because we forgot to close the bracket of the if statement: ask turtles [ To be sure each bracket has its matching bracket, you can click the bracket and its pair will be highlighted. Each opening bracket must have a closing bracket, and vice versa brackets always come in pairs. This error occurs when you are missing a closing bracket. No closing bracket for this open bracket. Each entry will tell you what the error message means, suggestions to fix it, and a code example that shows both the erroneous code and the corected code. We compiled a list of the most common NetLogo error messages below. That's why it is important to develop a good vocabulary of NetLogo error messages to avoid these errors from slowing us down or spoiling the fun of agent-based modeling with NetLogo. It is inevitable to make errors when coding.
#Netlogo reporter how to#
However this reported value is not directly defined as patch variable which increase my confusion.A list of Common NetLogo error messages and how to fix them Thus, how can I simply test the usefulness of to-report procedure? And where to place it correctly in my code to see what it is really doing? From Urban Suite - Economic Disparity ( ) I see that to-report is used to calculate values related to each patch: to-report patch-utility-for-poor My error is again AVERAGE expected 3 inputs. If I define my variables within to-report procedure: to-report average
When I try to create my variables in globals I've got an error There is already a global variable called A.
I've got an error: AVERAGE expected 3 inputs. To my code, and then use the average variable somewhere in my code p.e.: to go So, it seems to-report and report calculate some value and report it. See to-report for a discussion of how to use them. report and to-report are always used in conjunction with each other. Immediately exits from the current to-report procedure and reports value as the result of that procedure. The body of the procedure should use report to report a value for the procedure. In NetLogo dictionnary I can find definitions for to-report : to-report procedure-name I have a problem to understand the role of to-report and report in NetLogo, even it seems pretty useful and I can't really find a help written in "human style" language.
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