Visualizing median GDP per capita by continent

A bar plot is useful for visualizing summary statistics, such as the median GDP in each continent.

Latihan ini adalah bagian dari kursus

Introduction to the Tidyverse

Petunjuk latihan

Use group_by() and summarize() to find the median GDP per capita within each continent in the year 1952, calling the output column medianGdpPercap. Use the assignment operator <- to save it to a dataset called by_continent.
Use the by_continent dataset to create a bar plot showing the median GDP per capita in each continent.

Latihan interaktif praktis

Cobalah latihan ini dengan menyelesaikan kode contoh berikut.

library(gapminder)
library(dplyr)
library(ggplot2)

# Summarize the median gdpPercap by continent in 1952


# Create a bar plot showing medianGdp by continent

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