# 基础作图法绘制弗吉尼亚死亡率数据条形图
data(VADeaths)
library(RColorBrewer) # 用分类调色板
par(mfrow = c(2, 1), mar = c(3, 2.5, 0.5, 0.1))
death = t(VADeaths)[, 5:1]
barplot(death, col = brewer.pal(4, "Set1"))
barplot(death, col = brewer.pal(4, "Set1"),
beside = TRUE, legend.text = TRUE)
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