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Answers and rating deltas for

How do I create a column containing aggregated means with R?

Author Votes Δ
mnel 6 +1.24
Jesse Anderson 4 +1.03
shhhhimhuntingrabbits 4 +0.08
Tyler Rinker 3 -0.46
Tommy O'Dell 2 -3.41
Last visited: Sep 14, 2014, 5:07:29 AM