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Predictive Analytics using Rattle and Qlik Sense

Predictive Analytics using Rattle and Qlik Sense

By : Ferran Garcia Pagans, Fernando G Pagans
4 (5)
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Predictive Analytics using Rattle and Qlik Sense

Predictive Analytics using Rattle and Qlik Sense

4 (5)
By: Ferran Garcia Pagans, Fernando G Pagans

Overview of this book

If you are a business analyst who wants to understand how to improve your data analysis and how to apply predictive analytics, then this book is ideal for you. This book assumes you have some basic knowledge of statistics and a spreadsheet editor such as Excel, but knowledge of QlikView is not required.
Table of Contents (11 chapters)
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10
Index

Chapter 2. Preparing Your Data

The French term mise en place is used in professional kitchens to describe the practice of chefs organizing and arranging the ingredients up to a point where it is ready to be used. It may be as simple as washing and picking herbs into individual leaves or chopping vegetables, or as complicated as caramelizing onions or slow cooking meats.

In the same way, before we start cooking the data or building a predictive model, we need to prepare the ingredients-the data. Our preparation covers three different tasks:

  • Loading the data into the analytic tool
  • Exploring the data to understand it and to find quality problems with it
  • Transforming the data to fix the quality problems

We say that the quality of data is high when it's appropriate for a specific use. In this chapter, we'll describe characteristics of data related to its quality.

As we've seen, our mise en place has three steps. After loading the data, we need to explore it and transform it...

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