Icon to add more columns to pivot on, then repeat the previous step to select more fields to pivot.
Tableau prep union multiple data sources plus#
(Optional) In the Pivoted Fields pane, click the plus.Select one or more fields from the left pane, and drag them to the Pivot1 Values column in the Pivoted Fields pane.Icon, and select Add Pivot from the context menu. Drag the table that you want to pivot to the Flow pane.You can also use Tableau Prep's smart default naming feature to automatically rename your pivoted fields and values. Editing a pivot that includes pivoted columns on multiple field groups in Tableau Prep version 2018.1.1 can result in errors or unexpected results. Note: Pivoting on multiple groups of fields is not supported in Tableau Prep 2018.1.1. Simply select the fields that you want to work with, pivot the data from columns to rows, and then interact directly with the results to get your data looking just the way you want it. With Tableau Prep, you can pivot on one or more groups of fields to get the results you want from your data. Tableau prefers data to be "tall" instead of "wide", which means that you often have to pivot your data from columns to rows so that Tableau can evaluate it properly. Sometimes analyzing data from a spreadsheet or crosstab format can be difficult in Tableau. Press Ctrl+A ( Cmd+A on Mac) to select all elements in the flow, or press Ctrl+click ( Cmd+Click on Mac) to select specific elements, and then press the Delete key.Then right click on one of the selected steps and select Remove Use your mouse to drag and select a whole section of the flow.To remove multiple steps or flow lines, do one of the following:.To remove a step or flow line, select the step or line you want to remove, right-click the element, and then select Remove.csv file, or to publish the output as a data source to a server.Īt any point in the flow, you can remove steps or the flow lines between steps. Add Output: Select this option to save the output to an extract file (.tde or.For more information about creating a union, see Join or Union Data. As an alternative, you can drag-and-drop to union files. Add Union: Select the step that you want to union data with.In the following example, we're dragging the Orders_Central Input step and dropping it on New Join:įor more information about creating a join, see Join or Union Data. As an alternative, you can drag-and-drop to join files. Add Join: Select the step that you want to join data with.Add Pivot: Select the step that includes the data you want to pivot.Add Aggregate: Select the step that includes the data you want to aggregate or group.Insert Step: Add a step to perform cleaning operations.Add Branch: Split your flow into different branches.Icon appears, and then click the icon to display options. 通俗易懂的解释了tableau prep 作为一个etl工具 每个步骤流程的需求是什么。Īfter you connect to the data that you want to include in your flow, begin cleaning and shaping your data by adding new steps to the flow.
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