Tableau Heat Map

Tableau Heat Map is used to display the data along with colors. We can create a heat map using one or more Dimensions members and Measure value. Heat Map in Tableau will help compare the data by their color. For instance, How many products are fallen short, How many products are above our expectations so on.

In this article, we will show you how to Create a Heat Map in Tableau with an example and the custom query we are going to use for this report is:

SELECT Geo.EnglishCountryRegionName, 
FROM DimProduct AS Prod 
   INNER JOIN FactInternetSales AS Fact 
      ON Prod.ProductKey = Fact.ProductKey 
   INNER JOIN DimSalesTerritory AS Terry 
      ON Terry.[SalesTerritoryKey] = Fact.[SalesTerritoryKey] 
   INNER JOIN DimGeography AS Geo 
      ON Geo.[SalesTerritoryKey] = Terry.[SalesTerritoryKey]

Please visit Connecting to SQL Server article to understand the SQL configurations and the available records.

How to Create a Heat Map in Tableau?

In this example, we are going to create a Tableau Heat Map on the Matrix report or cross tab report. First, Drag and Drop the Colors group (which we created in Grouping article) from Dimension Region to Columns Shelf and Country name from Dimension Region to Rows Shelf.

Next, Drag and Drop the Sales Amount from Measures region to Text Field present in Marks card as shown below

Table Report

Next, Please select the Tableau Heat Map from the Show Me window.

Tableau Heat Map 2

Once you complete, the following Tableau highlight table screenshot will display with the default color coding. The density of the green represents the value.

Tableau Heat Map 3

From the above screenshot, you can observe that we successfully created the Tableau Heatmap

Format Heatmap

The Tableau desktop also allows us to format or edit the heat map default green. To format the default density marks, Please click on the Down arrow as shown below and select the Edit Colors.. option from the drop-down menu

Edit Colors option

Please click on the Color button to select the required one for your Tableau Heat map report.

Change Tableau Heat Map Colors

Once you click on the button, a new window will open to edit or pick a new color. For now, we are selecting some random ones.

Tableau Heat Map 6

From the Edit window, you can click on the Apply button to see the live preview, as shown below. If you are not comfortable with the color combination, you can edit and reapply. It is the main advantage of the desktop.

If you select the Stepped Option, Palette will break the color into intervals specified in the Steps box. By default, it is five intervals, but you can change the steps as per the report requirements.

Edit Color Palette to Stepped

From the below, you c can see the final output of our Heat Map.

Tableau Heat Map 9

Let us change the Matrix to a regular table for data visualization. To do this, Please remove the Color Group from the Columns Shelf and see the Tableau Heat Map for a detailed understanding.

Tableau Heat Map 10

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