Book Image

QlikView Essentials

By : Chandraish Sinha
Book Image

QlikView Essentials

By: Chandraish Sinha

Overview of this book

This guide demonstrates just how easy it is to get started with QlikView and create your own BI application. Featuring an introduction to its core features before exploring how to load data and model it, you’ll soon become more confident that you can take full advantage of QlikView’s capabilities.. You will also learn how to use QVD files with QlikView – and how they offer a simpler way of handling data. After digging deeper into data handling, as you learn how to use mapping tables and create a master calendar, you’ll then find out how to get the most from QlikView’s visualization features – vital if you are to use your data insights effectively. From accessible and user friendly dashboards to strategies and best practices for subjecting data to further analysis, you can be confident that you’ll be prepared to get the most out of your data with QlikView. With details on how to finally secure your application and deploy it for a successful integration in your organization, QlikView Essentials underlines exactly why QlikView is becoming more and more popular for businesses that understand the value of data.
Table of Contents (15 chapters)
QlikView Essentials
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Set Analysis essentials


A QlikView document is always in the current state. It shows data and aggregation on the current selections made by the user. In most dashboard applications, you have to perform aggregations or perform comparisons between the current selection/state and alternative selections or states in the chart. Set Analysis is powerful in such scenarios:

  • Set Analysis is very useful for comparisons such as comparing "current year" with "previous year"

  • Set Analysis can be only be used with the Aggregation function. Here we should always begin and end with curly brackets { }

Set Analysis consists of three components: Identifiers, Operators, and Modifiers:

  • An Identifier defines a set. As seen in the following function declarations, $ represents the records in the current selection and 1 represents the set of all the records in the entire document. Bookmark and Alternate States can also be used as identifiers.

    • Sum({$}LineSalesAmount): This function returns sales for the current selection...