How to display base R plot axes titles in italics?

To display base R plot axes titles in italics, we can follow the below steps −

• First of all, create two vectors and plot them using plot function.

• Then, use expression function for ylab and xlab to change the axes titles into italics font.

Create the vectors and plot them

Let’s create two vectors Rate and Demand and plot them using plot function −

 Live Demo

Rate<-sample(1:10,25,replace=TRUE)
Demand<-sample(1:10,25,replace=TRUE)
plot(Rate,Demand)

On executing, the above script generates the below output(this output will vary on your system due to randomization) −

Output

Convert axes titles to italics

Using expression function with italic function to convert the axes titles into italic font −

 Live Demo

Rate<-sample(1:10,25,replace=TRUE)
Demand<-sample(1:10,25,replace=TRUE)
plot(Rate,Demand,ylab=expression(italic("Demand")),xlab=expression(italic("Rate")))

Output