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  3. Exploratory Data Analysis in R

Exercise

Contingency table review

In this chapter you'll continue working with the comics dataset introduced in the video. This is a collection of characteristics on all of the superheroes created by Marvel and DC comics in the last 80 years.

Let's start by creating a contingency table, which is a useful way to represent the total counts of observations that fall into each combination of the levels of categorical variables.

Instructions

100 XP

The dataset has been loaded into your workspace as comics.

  • Type the name of the dataset to look at the rows and columns of the dataset.
  • View the levels() that the align variable can take.
  • View the levels() that the gender variable can take.
  • Create a contingency table of the same two variables.