[R] Reorder in decreasing order

Sverre Stausland johnsen at fas.harvard.edu
Sun Jul 22 18:27:34 CEST 2012

reorder() is probably the best way to order the levels in a vector
without manually specifying the order. But reorder() orders by default
in an increasing order: "The levels are ordered such that the values
returned by ‘FUN’ are in increasing order."

Is there a way to do what reorder() does, but order the levels
according to a _decreasing_ order of the values?


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