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Answers and rating deltas for

fill missing columns with NA while extracting from a data.frame

Author Votes Δ
flodel 3 +1.22
akrun 2 +1.39
Rich Scriven 2 +1.20
Arun 1 -1.63
Thomas 0 -1.85
Last visited: May 1, 2015, 9:05:02 PM