Hello,


How to convert x into y?

> x
[1] "15, 23, 2, 21, 11, 5"

> y
     [,1] [,2]
[1,]   15   23
[2,]   23    2
[3,]    2    21
[4,]   21   11
[5,]   11    5


Thanks a lot!

Romildo

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