R根据列名提取想要的列

时间：2019-06-26 15:39:16 收藏：0 阅读：916

a    b    c    d    e
1    2    3    4    5

df[,-which(names(df)%in%c("a","b")]
subset(df,select=-c(a,b))

df[ , c("x","y")]
subset(df, select=c(x,y))

原文：https://www.cnblogs.com/raisok/p/11089646.html