x<-c("a","b","c","8","10","c","b","c","8","12","c","b","c","8","13","a","b","c","8","10","c","b","c","8","12","c","b","c","8","13")
我想根据X标识来循环删除数据,删除标识为 1,3,5,7,9,11,。。。,i+2的数据,怎么删除啊?
想象结果要变成
x<-c("b","8","c",....," ")
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楼主: zelision
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1675
4
[问答] 在数据集大不能用固定标识删除的时候,怎么循环删除数据 |
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