March 2024
Intermediate to advanced
592 pages
14h 8m
German
Content preview from R für Data Science, 2nd 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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KAPITEL 25
Funktionen
Einführung
Um Ihren Wirkungsbereich als Data Scientist zu erweitern, ist es unter anderem von Vorteil, wenn Sie Funktionen schreiben können. Mit Funktionen lassen sich häufige Aufgaben auf eine sehr wirksame und allgemeine Weise automatisieren. Gegenüber Kopieren und Einfügen bieten Funktionen drei große Vorteile:
- Einer Funktion können Sie einen aussagekräftigen Namen geben und damit Ihren Code verständlicher machen.
- Wenn sich die Anforderungen ändern, müssen Sie den Code nur an einer Stelle und nicht an vielen Stellen anpassen.
- Sie beseitigen die Gefahr zufälliger Fehler, die beim Kopieren und Einfügen vorkommen (etwa das Aktualisieren eines Variablennamens an einer Stelle, aber nicht an einer anderen).
- Es ist einfacher, ...
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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.