January 2018
Beginner to intermediate
548 pages
12h 11m
English
Content preview from IPython Interactive Computing and Visualization Cookbook - Second EditionBecome 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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Exploring a dataset with pandas and Matplotlib
In this first recipe, we will show how to conduct a preliminary analysis of a dataset with pandas. This is typically the first step after getting access to the data. pandas lets us load the data very easily, explore the variables, and make basic plots with Matplotlib.
We will take a look at a dataset containing all ATP matches played by the Swiss tennis player Roger Federer until 2012.
How to do it...
- We import NumPy, pandas, and Matplotlib:
>>> from datetime import datetime import numpy as np import pandas as pd import matplotlib.pyplot as plt %matplotlib inline - The dataset is a CSV file—that is, a text file with comma-separated values. pandas lets us load this file with a single function:
>>> player = ...
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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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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.