Tutorial – looking at airline flight times data

This is a general tutorial aimed at finding interesting snippets of information from Flights data available in the nycflights13 package.

The dataset contains On-time data for all flights that departed NYC (i.e. JFK, LGA or EWR) in 2013 as per its description:

# First, install the package if you haven't already 
 
install.packages("nycflights13") 
library(nycflights13)
library(data,table) 
 
flights <- data.table(nycflights13::flights) 
flights 
 
# Get descriptive information about the dataset 
describe(flights) 

The output of the preceding code is as follows:

We can also get descriptive information on a per NYC Airport basis:

# There are 3 major airports in the nycflights13 dataset 
 
flights[,c(unique(origin))] 
# [1] "JFK" "EWR" "LGA" 
 
# Using describe.by, we can get descriptive...