Book Image

QlikView for Developers Cookbook

By : Stephen Redmond
Book Image

QlikView for Developers Cookbook

By: Stephen Redmond

Overview of this book

QlikView has been around since 1993, but has only really taken off in recent years as a leader in the in-memory BI space and, more recently, in the data discovery area. QlikView features the ability to consolidate relevant data from multiple sources into a single application, as well as an associative data model to allow you to explore the data to a way your brain works, state-of-the-art visualizations, dashboard, analysis and reports, and mobile data access. QlikView for Developers Cookbook builds on your initial training and experiences with QlikView to help you become a better developer. This book features plenty of hands-on examples of many challenging functions. Assuming a basic understanding of QlikView development, this book provides a range of step-by-step exercises to teach you different subjects to help build your QlikView developer expertise. From advanced charting and layout to set analysis; from advanced aggregations through to scripting, performance, and security, this book will cover all the areas that you need to know about. The recipes in this book will give you a lot of the information that you need to become an excellent QlikView developer.
Table of Contents (19 chapters)
QlikView for Developers Cookbook
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Using RangeSum to calculate a rolling total in a multidimension table


In a single dimensional chart, for example, bar chart, line chart, or straight table, the usual way to create a rolling total is to use the accumulate option in the expression. This doesn't work correctly in a multi-dimensional situation.

In this recipe, we will look at creating accumulations by using the RangeSum function.

Getting ready

Load the following script:

LOAD * INLINE [
  Country, City, Sales, Orders
  USA, San Diego, 24567, 546
  USA, Dallas, 54962, 345
  USA, New York, 67013, 678
  USA, Boston, 45824, 365
  UK, London, 64002, 743
  UK, Birmingham, 44291, 572
  UK, Manchester, 40320, 534
  Germany, Berlin, 52912, 643
  Germany, Frankfurt, 61832, 678
  Germany, Munich, 35812, 325
  Japan, Tokyo, 42137, 562
  Japan, Yokohama, 55832, 753
  Japan, Osaka, 37643, 418
];

How to do it...

Use these steps to calculate the rolling totals with RangeSum:

  1. Create a new pivot table with Year and Country as dimensions.

  2. Add the following...