Agenda

Learn to quickly build a set of plots that are routinely used to explore data:

• Scatter Plot
• Bar Plot
• Box Plot
• Line Chart
• Histogram

Libraries

library(ggplot2)
library(dplyr)

qplot

Shortcut designed for those familiar with base plots. You can quickly produce a number of different types of plots. Below are the key arguments:

• x : data for X axis
• y : data for Y axis
• geom : symbols to represent data
• data : a data frame or a tibble

Scatter Plot

qplot(disp, mpg, data = mtcars)

Scatter Plot

qplot(disp, mpg, data = mtcars, geom = c('point', 'line'))