17. Ribbon Plot
geom_ribbon()은 error bar plot의 라인 버전이라고 생각하시면 됩니다.
xxxxxxxxxxggplot(STOCK) +geom_ribbon(aes(x= Date, ymin = log(Low) - 0.5, ymax = log(High) + 0.5),fill = 'royalblue' , alpha = 0.2) +theme_classic()ggplot(STOCK) +geom_ribbon(aes(x= Date, ymin = log(Low) - 0.5, ymax = log(High) + 0.5),fill = 'royalblue' , alpha = 0.2) +geom_point(aes(x= Date, y = log(Low) - 0.5), col = '#8A8585', alpha = 0.8) +geom_point(aes(x= Date, y = log(High) + 0.5), col = '#8A8585', alpha = 0.8) +geom_line(aes(x = Date, y = log(Open)),group =1 , col = '#C2DAEF' , linetype = 'dashed', size = 0.1) +geom_point(aes(x = Date, y = log(Open)),col = 'red', alpha = 0.4) +theme_classic() +ylab("") + xlab("")

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