[R] QQplot normally distributed

[Kjetil Halvorsen]

Or uou can try
library(car)

?qqPlot

use that with argument simulate=TRUE, which will give a simulated
envelope around the curve for
comparison.

Kjetil

On Tue, Jun 19, 2012 at 9:30 AM, Özgür Asar <oasar at metu.edu.tr> wrote:
> Hi,
>
> Try boxplot for outliers.
>
> To decide whether they influence significantly, try confirmatory normality
> tests.
>
> Ozgur
>
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