Is there any pattern matching approach for looping through a list of variables in

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Editorial Team

Asked: June 14, 20262026-06-14T08:16:47+00:00 2026-06-14T08:16:47+00:00

Is there any pattern matching approach for looping through a list of variables in R?

I’m quite aware of using indices, but, so far, I’ve found none on multiple attributions in a loop.

What I have is this:

x <- c(1, 2, 3, 4)
y <- c(4, 3, 2, 1)
for (i in 1:length(x)) {
    x[i]
    y[i]
}

and I would like to have:

x <- c(1, 2, 3, 4)
y <- c(4, 3, 2, 1)
for ((xi, yi) in c(x, y)) {
    xi
    yi
}

Regards!

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Editorial Team · Answer 1 · 2026-06-14T08:16:48+00:00

Editorial Team

No, R doesn’t let you unpack values in this way. You can only assign each element in the sequence to a single variable.

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