Use Parameters to Make Views More Interactive

Parameters are useful when you want to add interactivity and flexibility to a report, or to experiment with what-if scenarios. Suppose you are unsure which fields to include in your view or which layout would work best for your viewers. You can incorporate parameters into your view to let viewers choose how they want to look at the data.

When you use parameters, you need to tie them to the view in some way:

  • You can use parameters in calculations and calculated fields that are used in the view.
  • You can display the parameter control in the view for users to select parameters.
  • You can reference parameters in parameter actions.

Before you begin, decide which fields you want to make interactive. For example, you could allow users to view the categories within a dimension by color, or to view sales data over a period of time that they choose, and so on. The example described here sets up a table for which users can select the dimensions to display in the columns and rows.

Watch a video: To see related concepts demonstrated in Tableau, watch the free training video Parameters (5 minutes). Use your account to sign in. For a more in-depth presentation, see Parameters | Oh, the places you'll go! (45 minutes).

Learn more: See Use Parameters to Add Multiple Views to Your Viz on the Tableau blog and multiple practical topics on how to use parameters on the Data School website.

Create the parameters and calculated fields

These steps use the Superstore sample to create a new parameter while you build the calculated field that will take advantage of it.

  1. Select Analysis > Create Calculated Field.

  2. In the Calculated Field dialog box, for Name, type Column 1 Category.

  3. Next to Parameters, click Create, and in the Create Parameter dialog box, complete the following steps:

    1. Name the parameter appropriately so that viewers can tell what changing it will do. This example uses Select Column 1 Heading.

    2. For Data type, select String.

    3. For Allowable Values, select List, type None as the first value in the list, and then press Enter.

    4. Complete the list by typing the names of the additional dimension fields that you want to expose through the parameter.

      Note: This example uses the customer name, customer segment, region, department, and category fields. These are all dimensions of the same data type (string). If you wanted to include a measure such as profit in this list, one option would be to convert the measure to a string value. You would do this when you build the calculated field, using the STR() function. This article covers only the single data type scenario.

      The Display As aliases default to the field name, and for this exercise you can leave them as they are.

    5. Click OK to return to the Calculated Field dialog box.

  4. Repeat the previous step to create the following additional parameters:

    • Select Column 2 Heading
    • Select Row 1 Heading
    • Select Row 2 Heading

    Tip: Instead of typing each value in the list, click Add from Parameter to add them from Select Column 1 Heading.

  5. In the Calculated Field dialog box, for Formula, build the following calculation:

    CASE [Select Column 1 Heading]
    WHEN 'Customer Name' THEN [Customer Name]
    WHEN 'Customer Segment' THEN [Customer Segment]
    WHEN 'Region' THEN [Region]
    WHEN 'Department' THEN [Department]
    WHEN 'Category' THEN [Category]
    ELSE ''

    Confirm that the status message indicates that the formula is valid, and then click OK.

    Note: ELSE accounts for the None value that you included in the parameter, and it returns an empty string.

  6. Create three more calculated fields, one for each of the additional parameters you created:

    Parameter name Calculated field name
    Select Column 2 Heading Column 2 Category
    Select Row 1 Heading Row 1 Category
    Select Row 2 Heading Row 2 Category

    The basic formula for each calculated field is the same as in the previous step, except that you reference a different parameter in each CASEstatement.

Give viewers a way to interact with views

Next, expose the parameter control so users can select the categories they want to display.

  1. For each parameter you created, do the following:

    In the Parameters pane, right-click the parameter and select Show Parameter Control.

  2. From the Dimensions pane, drag the calculated fields you created to the Columns and Rows shelves.

  3. From the Measures pane, drag a measure to the view. In this example, Sales is placed on Label on the Marks card.

  4. Test your parameters by selecting fields in the parameter controls.


    • Sort the dynamic dimension fields alphabetically.
    • Hide field labels for rows and columns.

  5. Reset all parameters to None and publish the workbook to Tableau Server.

    Viewers can set up their own reports, save their parameter settings, and share views with others.

Additional information

For information about building views dynamically, see Swap Measures Using Parameters.

For information about the different areas in the Tableau interface in which you can create and incorporate parameters, see Create Parameters and its related topics in the Tableau Help.

Disclaimer: This topic includes information about parameters from a third-party blog, The Information Lab: Data School. Please note that while we make every effort to keep references to third-party content accurate, the information we provide here might change without notice as content on their website changes.

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