[R] vector access

[Xgong]

Hi, 

I have a question about vector access. sorry if it is too basic.

> a
ae21 
    1.863869 

My question is how to retrieve "ae21" from vector "a". here is some other
information you might need.

> str(a)
 Named num 1.86
 - attr(*, "names")= chr"ae21"
> class(a)
[1] "numeric"
> is.vector(a)
[1] TRUE
> a[[1]]
[1] 1.863869

Thank you in advance for your help!

Xin
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