A bar plot (or bar chart) is one of the most common types of graphics used in research or presentation. It shows the relationship between a numeric and a categorical variable. Each label of the category variable is represented as a bar. The height of the bar represents its numeric value.

Article Outline

• Creating a Data Frame
• Creating a stacked bar plot
• Creating a dodged bar plot
• Palette based and Manual Color filling
• Styling bar plot (making it publication-ready)

R statistical programming language has one beautiful library called ggplot2 which is developed based on the concept of the grammar of graphics. In this article, we are going to leverage the potential of ggplot2 for making bar plots.

#research #ggplot2 #r