I have a data frame, for exampe
> dat <- data.frame(a=rnorm(5),b=rnorm(5),c=rnorm(5))
a b c
1 -0.1731141 0.002453991 0.1180976
2 1.2142024 -0.413897606 0.7617472
3 -0.9428484 -0.609312786 0.5132441
4 0.1343336 0.178208961 0.7509650
5 -0.1402286 -0.333476839 -0.4959459
How to make dat2 from dat, where source data frame be ordered by any column?
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