Matrix Ordering Permutation

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Description

roworder returns a permutation which rearranges the rows of its first argument into ascending order.

Usage

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Arguments

x

a matrix.

...

other arguments passed to order.

Value

roworder returns an integer vector.

See Also

order

Examples

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x = expand.grid(1:3, 1:2, 3:1)
x = x[sample(seq1(1, nrow(x)), nrow(x)),]
x

ord = roworder(x)
ord

x[ord,]