April 2016
Beginner to intermediate
384 pages
8h 36m
English
Content preview from Practical Data Analysis CookbookBecome 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,
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Producing histograms
Histograms can help you inspect the distribution of any variable quickly. Histograms bin the observations into groups and present the count of observations in each group on a bar chart. It is a powerful and easy way to examine issues with your data as well as inspect visually if the data follows some known distribution.
In this recipe, we will produce histograms of all the prices from our dataset.
Getting ready
To run this recipe, you will need pandas and SQLAlchemy to retrieve the data. Matplotlib and Seaborn handle the presentation layer. Matplotlib is a 2D library for scientific data presentation. Seaborn builds on Matplotlib and provides an easier way to produce statistical charts (such as histograms, among others).
How to ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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