generating outliers in a simulation study

From: "A.A.A" <ayafeps@xxxxxxxxx>
Date: Thu, 3 Jul 2008 03:50:43 -0700 (PDT)

Hi all,

I want to test the performance of a certain mathematical programming
model in the presence of outliers .This should be done through a
simulation study, so i want to generate datasets containing
outliers.How could this be done?
Thanks inadvance
.

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