November 2017
Intermediate to advanced
502 pages
11h 21m
German
Content preview from R für Data ScienceBecome 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,
O’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.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.I’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.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.
KAPITEL 3
Datentransformation mit dplyr
Einführung
Visualisierung ist ein wichtiges Werkzeug, um Einblicke zu gewinnen, doch wird sie nur selten die Daten, die Sie benötigen, in genau der richtigen Form liefern. Oftmals müssen Sie neue Variablen oder Zusammenfassungen erzeugen, möglicherweise die Variablen umbenennen oder die Beobachtungen umordnen, damit Sie effizienter mit den Daten arbeiten können. Wie Sie all das (und noch mehr!) bewerkstelligen, lernen Sie in diesem Kapitel. Es zeigt Ihnen, wie Sie Daten mithilfe des Pakets dplyr transformieren. Dabei verwenden Sie ein neues Datenset mit Flügen, die 2013 von New York City aus gestartet sind.
Voraussetzungen
In diesem Kapitel konzentrieren wir uns auf das Paket dplyr, eine weitere Kernkomponente ...
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O’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.
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.
I’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.
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.