How to add a regression equation to a plot in R

Usually , You may want to add regression equations to R In the drawing in , As shown below ：

、、

Fortunately, , Use ggplot2 and ggpubr The functions in the package can easily do this .

This tutorial provides a step-by-step example , Shows how to use the functions in these packages to add regression equations to R In the drawing in .

The first 1 Step ： Create data
First , Let's create some fake data to process ：、

set.seed(1)

#create data frame
df <- data.frame(x &