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How to manually set the color of each bar in base R bar plot?
To manually set the color of each bar in base R bar plot, we can follow the below steps −
- First of all, create a vector.
- Then create the bar plot with col argument.
Example 1
Create the vector
Let’s create a vector as shown below −
x<-sample(1:100,3) x
On executing, the above script generates the below output(this output will vary on your system due to randomization) −
[1] 44 27 8
Create the bar plot with col argument
Using col argument to set the color of each bar manually −
Live Demo
x<-sample(1:100,3) barplot(x,col=c("red","green","blue"))
Output
Example 2
Create the vector
Let’s create a vector as shown below −
y<-rpois(3,10) y
On executing, the above script generates the below output(this output will vary on your system due to randomization) −
[1] 13 14 6
Create the bar plot with col argument
Using col argument to set the color of each bar manually −
y<-rpois(3,10) barplot(y,col=c("grey","yellow","pink"))
Output
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