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Learning Tableau 10

You're reading from   Learning Tableau 10 Business Intelligence and data visualization that brings your business into focus

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Product type Paperback
Published in Sep 2016
Publisher Packt
ISBN-13 9781786466358
Length 432 pages
Edition 2nd Edition
Languages
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Author (1):
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Joshua N. Milligan Joshua N. Milligan
Author Profile Icon Joshua N. Milligan
Joshua N. Milligan
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Table of Contents (12) Chapters Close

Preface 1. Creating Your First Visualizations and Dashboard FREE CHAPTER 2. Working with Data in Tableau 3. Moving from Foundational to More Advanced Visualizations 4. Using Row-Level, Aggregate, and Level of Detail Calculations 5. Table Calculations 6. Formatting a Visualization to Look Great and Work Well 7. Telling a Data Story with Dashboards 8. Deeper Analysis – Trends, Clustering, Distributions, and Forecasting 9. Making Data Work for You 10. Advanced Visualizations, Techniques, Tips, and Tricks 11. Sharing Your Data Story

Level of Detail calculations


Level of Detail calculations (sometimes abbreviated as LoD calcs or LoD expressions) are a special kind of calculation that allow you to perform aggregations at a specified level of detail, which may be different from the level of detail defined in the view, and then work with the resulting value at a row level. In this way, you can think of LoD calculations as a hybrid between Row Level calculations and Aggregate Row Level calculations.

Level of Detail syntax

Level of Detail calculations follow this basic pattern of syntax:

{[TYPE] [Dimension 1],[Dimension 2] : AGG([Measure])} 

The parts of the preceding declaration are as follows:

  • TYPE: Is the type of LoD calculation (FIXED, INCLUDE, or EXCLUDE), which are described in detail in the following section.

  • Dimension 1, Dimension 2: Is a comma-separated list of dimension fields that define the level of detail at which the calculation will be performed. You may use any number of dimensions to define the level of...

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