> qqplot(spear,fastrankweight)
> qqplot(spear,fastrankweight,main="title")
> qqplot(spear,fastrankweight,main="distribution relation between spearman and fastrank")
> cor(spear,fastrankweight,method="pearson")
[1] 0.3001109
> cor(spear,fastrankweight,method="spearman")
[1] -0.01457876
> cor(spear,fastrankweight,method="kendall")
[1] -0.002459491
data=read.table("D:\\WorkSpace\\TestData\\20170929\\feats2.tsv",header=T)
原文：http://www.cnblogs.com/finallyliuyu/p/7613818.html