Data Visualization - Bar Chart

Bar graphs plots:

• a categorical variable
• associated with quantities (number of case, sum of)

They show:

• quantities as bar lengths
• and categories as bars or groups of bars.

They show

• rankings,
• comparisons,
• and values as parts of a whole.

The bars can be in a horizontal or vertical direction.

• competing product sales, same product sales over different time periods,
• same product sales over different markets.

• Vertical
• Horizontal
• Stacked Vertical
• Stacked Horizontal

• Rectangle
• Triangle
• Cylinder
• Diamond
• Gradient
• Pattern Fill