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x=c(5,7,4,1,3,2,5,5,6,11,8,2,2)
y=c(32,40,21,23,28,36,40,50,48,68,55,27,18)
plot(x, y, main = "MAS(多系统萎缩)患者病程和UPDRS评分的关系", xlab = "病程", ylab = "UPDRS评分",
xlim = c(0,25),
pch = 2, col = "red", cex = 1.2,
col.lab = "blue", col.axis = "orange",
cex.lab = 1.2, cex.main = 1.5)
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