Who was the best in 2014 Winter Olympics: benchmarking in ‘The Economist’ and Tolstoy style

As a late followup to all the press, summarizing results of 2014 Winter Olympics, I decided to apply data envelopment analysis to find most efficient teams on 2014 Winter Olympics. I’ll use Benchmarking package to estimate efficiencies and ggplot2 + ggthemes to visualize it.Rplot07

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