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