March 2018
Intermediate to advanced
528 pages
13h 2m
Portuguese (Portugal, Brazil)
Content preview from R para Data Science
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28 | Capítulo 1: Visualização de Dados com ggplot2
O empilhamento é realizado automaticamente pelo ajuste de posição especificado pelo
argumento
position. Se você não quiser um gráfico de barras empilhadas, pode usar
uma das outras três opções:
"identity", "dodge" ou "fill":
• position = "identity" colocará cada objeto exatamente onde ele cai no con-
texto do gráfico. Isso não é muito útil para barras, porque as sobrepõe. Para
ver essa sobreposição, precisamos ou tornar as barras levemente transparentes
ao configurar alpha a um valor pequeno, ou completamente transparente ao
configurar fill = NA:
ggplot(
data = diamonds,
mapping = aes( x
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