May 2020
Intermediate to advanced
362 pages
10h 19m
German
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KAPITEL 14
Visualisierung von Trends
Bei der Erstellung von Streudiagrammen (Kapitel 12) oder Zeitreihen (Kapitel 13) interessiert uns oft mehr der übergreifende Trend der Daten als das spezifische Detail, wo jeder einzelne Datenpunkt liegt. Indem wir den Trend über die oder anstelle der tatsächlichen Datenpunkte zeichnen, normalerweise in Form einer geraden oder gekrümmten Linie, können wir eine Visualisierung erstellen, die dem Leser hilft, die wichtigsten Merkmale der Daten sofort zu erkennen. Es gibt zwei grundlegende Ansätze zur Bestimmung eines Trends: Entweder können wir die Daten mit einer Methode wie z.B. einem gleitenden Durchschnitt glätten oder wir können eine Kurve mit einer definierten funktionalen Form approximieren und dann die ...
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