[R] how to find index of maximum?

[Martin Maechler]

    Peter> Dear R-users, Is there a simple way to find the index of the
    Peter> maximum of a vector?

Peter meant:
     Something more efficient than

      		  x == max(x)
or
		which(x == max(x))
or
		match(max(x), x)


    Peter> Ex.

    Peter> 1 3 6 2

    Peter> result: 3

    Peter> Thanks for any help, Peter

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