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October 11, 2013 06:58
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From http://stackoverflow.com/questions/1296646/how-to-sort-a-dataframe-by-columns-in-r Sorting / Ordering data frames in R
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| R> dd[with(dd, order(-z, b)), ] | |
| b x y z | |
| 4 Low C 9 2 | |
| 2 Med D 3 1 | |
| 1 Hi A 8 1 | |
| 3 Hi A 9 1 |
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