[R] How to change the class of data?

Christoph Heibl christoph.heibl at gmx.net
Thu Jun 12 08:52:34 CEST 2008


x <- factor(1:10)
x + 1
class(x) <- "numeric"

On Jun 12, 2008, at 8:24 AM, Qman Fin wrote:

> Hi all,
> I have some data x, which are actualy consisted of numerical  
> enties. But the
> class of this matrix is set to be "factor" by someone else. I used
> "class(x)", it turns out to be "factor". So I can not calculate them.
> How can I turn them into numerical data so that I can apply math  
> operations
> on them? Thanks a lot for your help.
> Selina
> 	[[alternative HTML version deleted]]
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