![]() ![]() Specify the data type for the values it will accept: In the Create Parameter dialog box, give the field a Name. Upper right corner and select Create Parameter. In the Data pane, click the drop-down arrow in the Create a parameterįollow the instructions below to create a new parameter from the Data pane. Learn more: See Use Parameters to Add Multiple Views to Your Viz (Link opens in a new window) on the Tableau blog (Link opens in a new window) and multiple practical topics on how to use parameters (Link opens in a new window) on the Data School (Link opens in a new window) website, such as Four Steps to Creating a Parameter (Link opens in a new window). For a more in-depth presentation, see Parameters | Oh, the places you'll go! (Link opens in a new window) (45 minutes). Use your (Link opens in a new window) account to sign in. Watch a video: To see related concepts demonstrated in Tableau, watch the free training video Parameters (Link opens in a new window) (5 minutes). Parameter actions let your audience change a parameter value through direct interaction with a viz, such as clicking or selecting a mark. ![]() You can make your parameters more dynamic and interactive by using them in Parameter Actions. This will happen each time the workbook is opened and Tableau connects to the data source referenced by the parameter, or whenever you select Refresh from the data source’s context menu. You can even create a dynamic parameter that’s set to automatically refresh its current value (to the result of a single-value, view-independent calculation), list of values (based on a data source column), or range of values. ![]() Then, using the parameter control, you can dynamically change the threshold in your calculation. You can replace the constant value of “500000” in the formula with a parameter. A parameter is a workbook variable such as a number, date, or string that can replace a constant value in a calculation, filter, or reference line.įor example, you may create a calculated field that returns True if Sales is greater than $500,000 and otherwise returns False. ![]()
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