Which Data Charts Is Are Best to Use in a Nominal Type of Data?


Scott Campbell

In data analysis, it is common to encounter different types of data. One such type is nominal data, which consists of categories or labels without any inherent order or numerical value. When it comes to visualizing nominal data, using the right type of chart is essential for effectively conveying information and insights.

Bar Charts

One of the most commonly used charts for displaying nominal data is the bar chart. Bar charts are visually appealing and easy to interpret.

They are especially useful when comparing frequencies or proportions across different categories. Each category is represented by a separate bar, and the height of each bar corresponds to the frequency or proportion of that category.

To create a bar chart in HTML, you can use the <canvas> element along with JavaScript libraries like Chart.js or D3.js. These libraries provide powerful tools for creating interactive and customizable bar charts.

Pie Charts

Pie charts are another popular choice for representing nominal data. They are particularly effective when you want to show the proportion of each category in relation to the whole dataset.

To create a pie chart in HTML, you can use libraries like Chart.js or Google Charts. These libraries offer easy-to-use functions for generating pie charts with customizable colors, labels, and tooltips.

Donut Charts

A variation of pie charts, donut charts are circular graphs with a hole in the middle. They offer similar advantages as pie charts but provide an additional layer of information by allowing you to display multiple categories within concentric rings.

You can create donut charts in HTML using libraries like Chart.js or Plotly. These libraries provide options to customize the size of the hole, add labels, and animate transitions between slices.

Radar Charts

Radar charts, also known as spider or star charts, are ideal for comparing multiple categories on different variables. They display each category as a point along multiple axes, with the distance from the center indicating the value.

To create radar charts in HTML, you can use libraries like Chart. These libraries offer built-in functions to generate radar charts with customizable options such as axis labels, colors, and tooltips.


When working with nominal data, selecting the appropriate chart type is crucial for effectively communicating insights. Bar charts are great for comparing frequencies or proportions, pie and donut charts are useful for showing proportions within a whole, and radar charts are ideal for comparing categories across multiple variables.

Remember to consider the nature of your data and the story you want to tell when choosing a chart type. Experiment with different styles and customization options to create visually engaging and informative visualizations.

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