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A bar chart (or bar graph) is a type of data visualization that uses rectangular bars to represent values, making it easy to compare different categories of data. The length or height of each bar corresponds to the value it represents.
Basic
Introduction
Key Features of a Bar Chart:
Bars can be vertical or horizontal.
Categorical data is displayed on one axis, while numerical values are on the other.
The bars are usually spaced evenly for clarity.
Used to show comparisons, trends, and distributions of discrete data.
Examples
Types of Bar Charts:
Vertical Bar Chart (Column Chart) – Bars are aligned vertically, common for showing time-based data.
Horizontal Bar Chart – Bars are aligned horizontally, useful when category names are long.
Stacked Bar Chart – Multiple data series are stacked within a single bar to show subcategories.
Grouped Bar Chart (Clustered Bar Chart) – Groups multiple bars together for each category to compare multiple variables.