[R] Optimization in R similar to MS Excel Solver

Berend Hasselman bhh at xs4all.nl
Sat Oct 27 11:04:39 CEST 2012

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?


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