March 2018
Intermediate to advanced
528 pages
13h 2m
Portuguese (Portugal, Brazil)
Content preview from R para Data Science
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96 | Capítulo 5: Análise Exploratória de Dados
•
Pontos visuais que exibem observações que caem mais do que 1,5 vez o IIQ
de cada limite da caixa. Esses pontos fora da curva são incomuns, então são
plotados individualmente.
• Uma linha (ou bigode de gato) que se estende de cada lado da caixa e vai até o
ponto mais distante da distribuição que não seja um outlier.
Vamos dar uma olhada na distribuição do preço por corte usando geom_boxplot():
ggplot( data = diamonds, mapping = aes( x = cut, y = price )) +
geom_boxplot
()
Vemos muito menos informações sobre a distribuição, mas os boxplots são muito mais
compactos, então podemos compará-los ...
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