Dear all,
I have a data frame with several columns, and I have the specified
order of a given column. How can I re-order the rows of my data frame
accroding to this specified order? for example,
x = data.frame( num = 1:26, alpha = letters[1:26], stringsAsFactors=FALSE)
z = sample(x$alpha, replace=FALSE)
Can I re-order x accroding to z ?
Thanks,
Leon
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