[R] evaluate a expression

[Sundar Dorai-Raj]

Hi, Ning,

Try: eval(parse(text = expr))

HTH,

--sundar

On Sat, May 2, 2009 at 5:39 AM, Ning Ma <pningma at gmail.com> wrote:
> Hi,
>
> I am new to R. Can anyone tell me how to evaluate an expression stored
> in a string?
> such as:
>> expr <- "3*5"
> I want to get the result 15.
>
> Thanks in advance.
>
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