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Answers and rating deltas for

Is there a way to append values of columns from 2 different data frames

Author Votes Δ
Ronak Shah 3 +1.27
akrun 2 +0.60
LyzandeR 1 -1.25
Jason Mathews 0 -3.19
Last visited: Oct 21, 2019, 3:17:49 PM