Hopper Puzzle - Part 1

Looking around for some data to play with, I stumbled-upon a small dataset that hopper is using as a teaser puzzle in their job posting for a data scientist. Taking a quick look in R…

options(scipen=999)
lapply(c("plyr","dplyr","ggplot2","scales","Hmisc","YaleToolkit","gpairs","RColorBrewer"),require,character …
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