life_exp {openintro}

life_exp

Description

A data frame with 3142 rows and 4 columns. County level data for life expectancy and median income in the United States.

Usage

life_exp

Format

A data frame with 3142 observations on the following 4 variables.

state

Name of the state.

county

Name of the county.

expectancy

Life expectancy in the county.

income

Median income in the county, measured in US $.

Examples

library(ggplot2)

# Income V Expectancy
ggplot(life_exp, aes(x = income, y = expectancy)) +
  geom_point(color = openintro::IMSCOL["green", "full"], alpha = 0.2) +
  theme_minimal() +
  labs(
    title = "Is there a relationship between median income and life expectancy?",
    x = "Median income (US $)",
    y = "Life Expectancy (year)"
  )