[R] Simulate residuals with different properties for a linear model (regression)

[Friedericksen Hope]

Thank you both for your responses and the hints for help!

Greetings,
Friedericksen

Friedericksen Hope wrote:
> Hey guys,
> 
> for educational purposes I wonder if it is possible to simulate
> different data sets (or specifically residuals) for a linear regression.
> I would like to show my students residuals with different means,
> variances and distributions (normal, but also not normal) in the plots
> created with the plot command for a lm-object. In addition it would be
> nice to simulate although influencal values (high cooks distance and
> leverage)
> 
> lm.results <- lm(y~x,data)
> plot(lm.results)
> 
> Is there an easy way to do this? Or can this be done at all (and if yes,
> any hints?:-)
> 
> Thanks and Greetings!
> Friedericksen
>