[Repast-interest] Random Seed

[Jorge <jc...@gm...>]

I'm using Repast Simphony 2.3.1.  In the GUI I set the random seed to "1" and
ran the simulation a few times.  I received consistent results (Zombie Count
goes from 9 to 10 at tick 165).

"tick","run","random_seed","Human Count","Zombie Count"
...
164.0,1,1,3,9
165.0,1,1,2,10

However, when I run the same simulation using AbstractRunner and setting the
seed to "1", I get different results (Zombie Count goes from 9 to 10 at tick
190). These results are consistent across AbstractRunner runs, but not
consistent with GUI runs using the same random seed.
"tick","run","random_seed","Human Count","Zombie Count"
...
189.0,2,1,3,9
190.0,2,1,2,10

On a different note, I tried to change the parameter values in the GUI,
clicked "set current parameter as default value", and hit save, and the
parameters were not updated in the parameter.xml file.  It may also be
useful to have a checkbox for the random seed to represent null.

	<parameter name="randomSeed" displayName="Default Random Seed"
		type="int" defaultValue="__NULL__" isReadOnly="false"
		converter="repast.simphony.parameter.StringConverterFactory$IntConverter"
/>





--
View this message in context: http://repast.10935.n7.nabble.com/Random-Seed-tp11068.html
Sent from the repast-interest mailing list archive at Nabble.com.