[R] A question about call()
Jeff Newmiller
jdnewmil at dcn.davis.CA.us
Thu Jul 24 09:07:20 CEST 2014
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On July 23, 2014 11:40:09 PM PDT, super <desolator88 at 163.com> wrote:
>The question is as below:
>Exercises
>1.The following two calls look the same, but are actually different:
> (a <- call("mean", 1:10))
>#> mean(1:10)
>(b <- call("mean", quote(1:10)))
>#> mean(1:10)
>identical(a, b)
>#> [1] FALSE
>What��s the difference? Which one should you prefer?
>So, how i can figure out this question?
>
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