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> data <- read.csv(file.choose(),header=F)
> data 或
> mydata <- data.frame(time=numeric(0),scores=numeric(0))
> mydata <- edit(mydata)
> mydata 或
> time <- c(5,7,4,1,3,2,5,5,6,11,8,2,2)
> scores <- c(32,40,21,23,28,36,40,50,48,68,55,27,18)
> plot(time,scores,pch=25,main="MSA患者UPDRS评分与病程的关系",xlab="病程",ylab="UPDRS评分",xlim=c(0,12))
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