Skip to Content
Practical Predictive Analytics
book

Practical Predictive Analytics

by Ralph Winters
June 2017
Beginner to intermediate content levelBeginner to intermediate
576 pages
15h 22m
English
Packt Publishing
Content preview from Practical Predictive Analytics

Picking out the top groups in terms of average population size

In many instances, we will only want to look at the top categories, especially when there are many demographical categories that have been subsetted. In this example, there are only 24 categories but in other examples, there may be a much larger number of categories.

The dataframe x2 is already sorted by Avg.People. Since we know that there are 14 enrollment records for each category, we can get the top 10 categories based upon the highest base population by selecting the first 14*10 (or 140) rows. We will store this in a new dataframe, x3, and save this to disk.

Since we know each group has 14 years, extracting the top 10 groups is easy to calculate. After assigning x2, print ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Data Superstream: Analytics Engineering

Data Superstream: Analytics Engineering

Alistair Croll, Anna Filippova, Emilie Schario, Lewis Davies, Jacob Frackson, Benn Stancil, Nick Acosta, Elizabeth Caley
R: Predictive Analysis

R: Predictive Analysis

Tony Fischetti, Eric Mayor, Rui Miguel Forte
Python: Advanced Predictive Analytics

Python: Advanced Predictive Analytics

Ashish Kumar, Joseph Babcock

Publisher Resources

ISBN: 9781785886188Supplemental Content