3. density plot 히스토그램과 비슷하게 작성합니다. xxxxxxxxxx ggplot ( STOCK ) + geom_density ( aes ( x = High )) + theme_classic () + labs ( fill = "Labels Name" ) ggplot ( STOCK ) + geom_density ( aes ( x = High , fill = Day ), alpha = 0.4 ) + theme_classic () + labs ( fill = "Labels Name" ) + facet_wrap ( ~ Day , ncol = 1 ) ggplot ( STOCK ) + geom_density ( aes ( x = High , fill = Day ), alpha = 0.4 ) + theme_classic () + labs ( fill = "Labels Name" ) + facet_wrap ( ~ Day , nrow = 1 ) + theme ( axis.text.x = element_text ( size = 9 , angle = 45 , hjust = 1 ))