read_excel
{readxl}
Read an Excel file
aes
{GGPLOT2}
Construct aesthetic mapping of a ggplot graph
ggplot
{GGPLOT2}
Create a ggplot graph
theme_classic
{GGPLOT2}
A minimalistic theme with no gridlines
geom_point
{GGPLOT2}
Generates a scatter plot
geom_smooth
{GGPLOT2}
Generates a smoothed conditional means curve / line
The end!