有时,您的数据源不包含分析所需要的字段(或列)。例如,您的数据源可能包含带有“Sales”(销售额)和“Profit”(利润)值的字段,但不包括带有“Profit Ratio”(利润率)值的字段。如果是这种情况,您可以使用“Sales”(销售额)和“Profit”(利润)字段中的数据为“Profit Ratio”(利润率)创建一个计算字段。
本系列介紹了關於瞭解 Tableau 中的計算的基礎知識。在本主題中,您將瞭解為什麼以及何時使用計算。 為什麼使用計算 透過計算,您可以根據資料來源中已存在的資料建立新資料,並對資料執行計算。這樣,您可以執行複雜的分析,並且可以動態地自行將欄位新增到您的資料來源中。 何時使用計算 在Tableau 中學習計算的第一個...
How to create a template workbook of calculated fields First, create a Tableau workbook using very basic data source, like a single record Excel sheet with a date field, a string dimension, and a measure. From there, create every calculated field you commonly use (and any param...
This article explains the types of calculations you can use in Tableau. You'll learn the difference between each calculation and how they are computed. There are three main types of calculations you can use to create calculated fields in Tableau: Basic expressions Level of Detail (LOD) expressio...
If we use the “Import all data” / “Import some data” options when we make the connection, Tableau will prompt us to save the extract as a file. If we connect live then in the Data window right-click on the data source and choose Extract Data…, the extract is saved inside the ...
In this chapter, we learned how to use Calculated Fields and blended data sources to create ratios (quotients) and rates (quotients with mixed units). We also learned the Index function as well as the Rank table calculation, and created highlight tables and bar charts to compare different dim...
Bins acts as containers that summarize data for a specific range of values. Without using a calculated field, Tableau's bin feature allows you to create variable sized bins. A. True B. False Answer: B 创建Variable sized bin,需要使用计算域。
2021.4.1. release, parameters are global placeholder values that you can use to replace constant values in a flow. Easily swap out input or output values that use the same schema when running or scheduling a flow, or use parameters in filters or calculated fields to edit values throughout ...
Create Calculated Fields Export Results from Tableau into Powerpoint, Word, and other software Creating Data Extracts in Tableau Adding Filters and Quick Filters Adding Actions to Dashboards (filters & highlighting) Advanced Data Preparation (including latest updates in Tableau) ...
when use blended fields in a calculation, you must aggregate all data source fields. some limitations on secondary data sources. You may not be able to sort by a field from a secondary data source, and action filters may not work as expected with blended data. For more information, seeOther...