Andrew Martin
01-25-2016
A slide deck for the JHU Developing Data Products course.
Where do they fly, and how frequently?
How long are the flights?
How long are they delayed?
library(nycflights13)
library(magrittr)
flight_dim <- dim(flights)
num_dest <- flights$dest %>% table() %>% length()
cat(
flight_dim[1], 'flight records from', 'to', num_dest, 'unique destinations.'
)
336776 flight records from to 105 unique destinations.

