Which of the following is a data visualization method?

Pie charts and Bar charts are considered data visualization methods.

Data visualization method:

• It is a graphical method of presenting data
• For this purpose, we use graphical elements like graphs, charts, maps, etc.
• Visualizations tools can be selected based on the size and type of data

​1. Pie charts:

• It is a circle and sector diagram
• The values are shown as part of a 3600 circle
• The values are converted into percentage values before plot them into the chart 

2. Bar charts:

• It uses to show mainly the frequency distribution graphically
• Sometimes we plot the percentage values

• Line, circle, triangle, and pentagon are shapes 
• Line graph, circle and triangle diagram, pentagon graph, etc, are used to represent different data of different format