[R] how do I find the row index number, or row name, of a given value in a vector?

[tom soyer]

Hi,

I noticed that max(x) returns the maximum value of a vector, but the
function doesn't give the user the option of retrieving the row index number
instead. If I used max(x) to find the maximum value of vector x, then is
there a function I can use to find the index number, or row name, of the
maximum value?

Thanks,

Tom

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