Book Image

Qlik Sense Cookbook. - Second Edition

By : Pablo Labbe, Philip Hand, Neeraj Kharpate
Book Image

Qlik Sense Cookbook. - Second Edition

By: Pablo Labbe, Philip Hand, Neeraj Kharpate

Overview of this book

Qlik Sense allows you to explore simple and complex data to reveal hidden insight and data relationships that help you make quality decisions for overall productivity. An expert Qlik Sense user can use its features for business intelligence in an enterprise environment effectively. Qlik Sense Cookbook is an excellent guide for all aspiring Qlik Sense developers and will empower you to create featured desktop applications to obtain daily insights at work. This book takes you through the basics and advanced functions of Qlik Sense February 2018 release. You’ll start with a quick refresher on obtaining data from data files and databases, and move on to some more refined features including visualization, and scripting, as well as managing apps and user interfaces. You will then understand how to work with advanced functions like set analysis and set expressions. As you make your way through this book, you will uncover newly added features in Qlik Sense such as new visualizations, label expressions and colors for dimension and measures. By the end of this book, you will have explored various visualization extensions to create your own interactive dashboard with the required tips and tricks. This will help you overcome challenging situations while developing your applications in Qlik Sense.
Table of Contents (16 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Index

Cracking the syntax for Set Analysis


Set Analysis is a very powerful concept in Qlik Sense. In very simple terms, each set contains a group of selected dimensional values. The sets allow users to create independent selections, other than the one being used in the active Qlik Sense objects. The aggregations inside the set are compared with current selections to get the desired results.

Note

Any set that has been created in Qlik Sense only alters the context of the expression that uses it. Unless they are referencing label names inside the same visualization, all expressions using the set syntax are independent of each other. As such, basic expressions not using Set Analysis will react to normal selections made inside the Qlik Sense document.

A Set Analysis expression consists of three main parts:

  1. Set identifiers, for example, $, 1, and 1-$
  2. Set operators
  3. Set modifiers (optional)

A set expression is defined inside curly brackets {}. Set identifiers are separated from modifiers by angular (<&gt...