# addition
5+4
# multiplication
7*8
# division
10/3
# exponentiation
3^4
# load csv file into the variable pop
library(readr)
pop <- read_csv("nycHistPop.csv",skip = 5)
# display the contents of pop
pop
# display only the column named Bronx in pop
pop$Bronx
# plot the data in the Bronx column as points
plot(pop$Bronx)
# plot the data in the Bronx column as a continuous line (line graph)
plot(pop$Bronx, type = "l")
# same as previous plot, but line is blue
plot(pop$Bronx, type = "l", col = "blue")
# same as previous plot but x axis is labeled by the years (from the data)
plot(pop$Year, pop$Bronx, type = "l")