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What’s more, Tableau maps are technically scatter plots with points at the combination of each latitude-longitude pair and an image of a map in the background. This makes it so that simply double-clicking on a dimension that Tableau recognizes as geographic will create a map on the view. They are easy to create because Tableau comes prepackaged with thousands of geographic coordinates all over the world. They are effective because they help us decode latitude and longitude combinations almost instantly, allowing us to see patterns between geographic locations that may otherwise be challenging to discover. Maps are one of the most effective chart types in Tableau and are also among the easiest chart types to create.
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You’ll continue your exploration of data in Tableau in this book and explore how to prepare data for Tableau by looking at joins, blends, and data structures.This content is excerpted from my book, Innovative Tableau: 100 More Tips, Tutorials, and Strategies, published by O’Reilly Media Inc., 2020, ISBN: 978-1492075653.
Colors, symbols, and highlights make it easy to get used to this extract, transform, and load tool, which is invaluable for preparing your data before manipulating it on the main Tableau interface! Just like Tableau Desktop, Tableau Prep Builder is very much self-explanatory and highly visual. You will study data preparation in five parts: data cleaning, unions and joins, aggregating, pivoting, and scripting. Further in the book, you will perform exercises regarding data preparation. We looked at the GUI and how we can connect data to it. We started this article with an introduction to Tableau Prep Builder. To get started, begin by opening Tableau Prep Builder:Īs you can see, sorting this field ordered the dates by the number of entries, thus making it very simple to answer the question, on which day were the most reviews entered? After the first few clicks, it already starts to feel natural, doesn’t it? Summary At first sight, you might not even notice a difference between the Tableau Prep Builder and the Tableau Desktop GUI, which provides the handy advantage that you can start prepping right away. The handling and interfaces are very similar, and connecting to data, if the connector is available in Prep, works all the same whether it’s a text file, a database, or an extract.
If you are familiar with Tableau Desktop, Tableau Prep Builder will be an easy game for you. How to do so in Prep will be described in the following section. In order to get started, we need to load data. In this article, the following topics will be discussed: Prep will pave the way for an even smoother Tableau Desktop experience. Therefore, let’s dive into the Graphical User Interface ( GUI) and be amazed by another high-end product, which will allow you to get initial data insights, enabling you to decide faster if your dataset is worth analysis. An all-in-one resource to become well versed with advanced functionalities of Tableau in the business intelligence domain. You learn to build advanced dashboards and improve your storytelling to derive key business insights. This article is an excerpt taken from the book “ Mastering Tableau 2021, Third Edition“ by Marleen Meier and David Baldwin - a guide to master your Tableau skills and become a BI expert. Additionally, Prep is as visual as its big brother, Tableau Desktop, meaning that you can see every step of data preparation in a fully visual format. That means you can execute jobs in Prep to clean your data with the click of a button. The good news is, Prep is fully compatible with Tableau Desktop, and also with Tableau Server. Tableau Prep Builder was introduced with version 2018.1 of Tableau Desktop, but what can we use Tableau Prep Builder (henceforth referred to in this article as Prep) for? The core purpose of the tool is data preparation. Editor’s note: For hands-on training in data visualization, check out the data viz sessions at ODSC West 2021 coming this November! Learn more here.