R语言基础篇-----画图

plot函数Usage:

dose <- c(20,30,40,45,60)drug <- c(16,20,27,40,60)drug1 <- c(15,18,25,31,40)opar <- par(no.readonly = TRUE) #初始图形的样式par(lty = 2,pch = 17)  #三角形+虚线样式plot(dose,drug1,type = 'b',col = 'red',main = 'Medicine Control',xlab = 'doseusage',ylab = 'nononono',sub = 'no body can prevent you from being success',xlim = c(0,60),ylim = c(0,70)) #col 颜色， main 主标题 ，sub 副标题 xlab x轴名称 ylab y轴名称 xlim x轴坐标区间par(opar) #恢复初始样式