You will get the list of available parameters in the drop-down of the 'Value' field. Open the 'Add Reference Line, Band, or Box' dialog box. So the reference line can be moved according to your preference, instead of fixing it at a location on the axis. You can modify a reference line, band, or box by using parameters for it. You can choose the available parameters from the drop-down, or you can create a parameter right there. You will have a drop-down for the 'Top' option. Open the filter dialog box, go to the 'Top' tab. So you can change the report to show the top 10, 15, or 20 sales. For example, if you want to create a report that shows the top 5 sales, you can use the parameter in place of it. Instead of setting a specific value for the filter, you can use a parameter to set the value dynamically by the user. In a filter, you can use parameters to modify values for the Top N filter. Click on 'Ok' to finish.Ĭlick here to get latest Tableau Interview Questions and Answers for 2022 Using parameters in filters While writing a calculation in the calculation editor, drag the parameter that you want to use, and drop it into the calculation editor. It helps in dynamically changing the values in calculations. When you want to change the value, you can go to the parameter available in the Data pane and edit it. You can use parameters in calculations so that you don't have to edit the calculations every time you want to modify something. When Tableau encounters any of the above scenarios, it will keep the latest value for the 'Current Value' field.
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