Message-ID: <9E18829C-3A08-49F7-B1BC-5B9F093F5463@xs4all.nl>
Date: 2012-10-27T09:04:39Z
From: Berend Hasselman
Subject: Optimization in R similar to MS Excel Solver
In-Reply-To: <1351280478484-4647596.post@n4.nabble.com>
On 26-10-2012, at 21:41, Richard James wrote:
>
> That solution works very well.
>
> The only issue is that 'rnorm' occasionally generates negative values which
> aren't logical in this situation.
>
Try another random generator.
Lognormal, uniform, ...
> Is there a way to set a lower limit of zero?
Truncated normal perhaps?
Berend