[R] as.numeric
Uwe Ligges
ligges at statistik.uni-dortmund.de
Wed Jul 24 14:55:49 CEST 2002
Mike Lonergan wrote:
>
> Why is as.numeric("3/2") NA plus a warning?
Because "3/2" is a character string that cannot be coerced to numeric
easily.
You mean: You want to evaluate the expression(!) 3/2, which is - whyever
- inquotation marks.
Maybe the following line is more appropriate to you problem?
eval(parse(text="3/2"))
Uwe Ligges
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