install,packages ("multcomp" )
library (multcomp)
library(car)
setwd("/Users/zhongyue/Desktop/R代码")
inputFile="测试.txt"
head(rt)
rt=read.table(inputFile,sep="\t",header=T,check.names=F)
boxplot(gene~T,data=rt,col=c(2:6))
leveneTest(gene~T,data=rt)
详见https://cloud.tencent.com/developer/article/1553584