Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Principles of Strategic Data Science

You're reading from   Principles of Strategic Data Science Creating value from data, big and small

Arrow left icon
Product type Paperback
Published in Jun 2019
Publisher
ISBN-13 9781838985295
Length 104 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Peter Prevos Peter Prevos
Author Profile Icon Peter Prevos
Peter Prevos
Arrow right icon
View More author details
Toc

Diagnostics

Most analytical projects involve diagnosis, which is the process of finding causal or logical relationships between variables. Analyzing data uses mathematical transformations to find and validate relationships between variables. We might need to know whether complaints are clustered in a certain region of a service area or find the most likely cause of those complaints by relating it to other operational data.

This description implies that visualizing data to show a distribution or compare two or more variables is strictly speaking not analyzing anything. Descriptive statistics in most performance reports reduces the data to fewer numbers, but strictly speaking, does not add any information to the dataset. The average of a set of numbers or a trend line is already within the numbers. The defining property of diagnosis or analysis is that the cleaned data is transformed to reveal new information. An analysis shows us something that is not apparent from the data itself by combining...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image