[R] round 2.3 to 2.5 and 2.2 to 2.0

[Uwe Ligges]

On 07.01.2013 09:59, Mat wrote:
> Hello together,
>
> i want to round some numbers in my data.frame.
> How can i round a number to values like 0.5; 1.0; 1.5; 2.0; etc.
>
> It should look like this one
>
> before
> 2.2 ; 2.3; 2.26; 1.11
>
> after
> 2.0; 2.5; 2.5; 1.0


round(2*x)/2

Uwe Ligges

> thanks.
>
> Mat
>
>
>
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