Un gráfico de tornado se parece a un embudo dividido en dos partes. Un indicador se muestra a la izquierda, y otro a la derecha. Un gráfico tornado proporciona una comparación de dos indicadores, haciendo hincapié no en una categoría, sino en la correlación en su conjunto. Los gráficos tornado te ayudan a comparar los valores de dos indicadores y a evaluar visualmente el impacto de uno de ellos sobre el otro.
En este capítulo analizaremos los datos de ventas por directivos y ciudades:
Ingresos (sinónimo de ventas reales)
Objetivo de ventas
Beneficio (sinónimo de margen real)
Cantidad (unidades vendidas)
En la Figura 13-1, puedes ver que cuanto mayor es el beneficio, mayores son los ingresos.
Figura 13-1. El gráfico Tornado muestra la correlación entre beneficios e ingresos
Podríamos mostrar los mismos datos en el gráfico de barras (ver Figura 13-2), pero al comparar datos de diferentes escalas, las barras con valores indicadores más pequeños (en nuestro caso, el beneficio) pueden casi desaparecer, y se pierde el verdadero significado del gráfico.
Figura 13-2. La comparación ...
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.
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.
Head of Cybersecurity
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.
Field Engineer
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.
Data Platform Tech Lead
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.
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.
