Interesting, but the standard deviations of the metrics are as large or larger than the mean in every case. Also, there is a lack of trend between independent r

Interesting, but the standard deviations of the metrics are as large or larger than the mean in every case. Also, there is a lack of trend between independent replicates. So, very noisy data to say the least. I think their taxi figure in the appendix highlights the problem of discrimination much more clearly than their analysis of this dataset.