Re: Counting agents

[Doug Donalson;]

Are there three types ie A, B, and C or three variables X, Y, and Z
that each can take on a lot of values each?  If the total possible
number of agent types is reasonably small then you can just make
a "stats" object that has an "increment", "decrement", and "print"
and each time an agent changes type it executes an decrement followed
by an increment.  The prints can be put into an action group or
a single print that contains all the type variables.

If there are a large number of agent type possibilities, make
a list ordered on Type1, Type2, Type3, and just print the whole thing.

Just a couple of possibilities while I wait for a 2 hour run of my 
SWARM model to complete...

Good Luck,

   Doug

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On Tue, 10 Jun 1997, Todd Allen wrote:

> Hi all,
> 
> I am working with a model in which each agent has a 'type' which is
> defined by the values of three agent level variables.  At each
> interaction in the model an agent has the option to change his 'type' to
> that of another agent which s/he encounters.  I need to keep track of
> the number of agents of each 'type' in the population at each time step
> which I would like to output to a file. Does anyone know of an easy way
> to do this?
> 
> Thanks,
> 
> Todd Allen
> 
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