March 2018
Intermediate to advanced
528 pages
13h 2m
Portuguese (Portugal, Brazil)
Content preview from R para Data Science
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86 | Capítulo 5: Análise Exploratória de Dados
fica quando focamos apenas nos diamantes com um tamanho menor que três quilates
(carats) e escolhemos um binwidth menor:
smaller <- diamonds %>%
filter( carat < 3 )
ggplo
t( data = smaller, mapping = aes( x = carat ))
+
geom_histogram(
binwidth
= 0.1 )
Se você quiser sobrepor vários histogramas no mesmo gráfico, recomendo que use
geom_freqpoly(), em vez de geom_histogram(). geom_freqpoly() realiza o mesmo
cálculo que geom_histogram(), mas em vez de exibir os counts com barras, utiliza
linhas. É muito mais fácil de entender linhas sobrepostas do que barras:
ggplot( data = smaller, mapping = aes( x = cara ...
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