July 2025
Intermediate to advanced
484 pages
15h 13m
German
Content preview from Power Query
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KAPITEL 11 Data-Profiling
In diesem Kapitel:
- ■ erfahren Sie mehr über verschiedene Möglichkeiten, Daten zu profilieren
- ■ erfahren Sie, wie Sie die Qualität, die Verteilung und das Profil von Spalten anzeigen können
- ■ verwenden Sie die Funktion
Table.Schema, um das Schema einer Tabelle auszugeben - ■ erstellen Sie mithilfe der Funktion
Table.Profileeine Tabelle mit einem Datenprofil
Bevor Sie eine Datenanalyse durchführen, kann es nützlich sein, sich einen Überblick über die allgemeine Form oder Struktur der Daten zu verschaffen, indem Sie ein Datenprofil erstellen. Data-Profiling bezieht sich auf die technische Analyse von Daten, um deren Inhalt und Konsistenz zu bewerten. Erstellen Sie das Datenprofil besser, bevor Sie mit der Visualisierung ...
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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.