Skip to Content
Mastering pandas - Second Edition
book

Mastering pandas - Second Edition

by Ashish Kumar
October 2019
Beginner to intermediate
674 pages
16h 43m
English
Packt Publishing
Content preview from Mastering pandas - Second Edition

Aggregation in R

In R, aggregation is effected using the following command:

    > goal_stats=read.csv('champ_league_stats_semifinalists.csv')
    >goal_stats
                  Club                 Player Goals GamesPlayed
    1  Atletico Madrid            Diego Costa     8           9
    2  Atletico Madrid             ArdaTuran     4           9
    3  Atletico Madrid            RaúlGarcía     4          12
    4  Atletico Madrid           AdriánLópez     2           9
    5  Atletico Madrid            Diego Godín     2          10
    6      Real Madrid      Cristiano Ronaldo    17          11
    7      Real Madrid            Gareth Bale     6          12
    8      Real Madrid          Karim Benzema     5          11
    9      Real Madrid                   Isco     3          12
    10     Real Madrid         Ángel Di María     3          11
    11   Bayern Munich          Thomas Müller     5          12
    12   Bayern Munich           ArjenRobben     4          10
    13   Bayern Munich            Mario Götze     3          11
    14   Bayern Munich Bastian Schweinsteiger     3           8
    15   Bayern Munich        Mario Mandzukić     3          10
    16         Chelsea        Fernando Torres     4           9
    17 Chelsea Demba Ba ...
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.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Pandas 1.x Cookbook - Second Edition

Pandas 1.x Cookbook - Second Edition

Matthew Harrison, Theodore Petrou
Pandas Cookbook

Pandas Cookbook

Theodore Petrou, Kuntal Ganguly
Pandas in Action

Pandas in Action

Boris Paskhaver

Publisher Resources

ISBN: 9781789343236