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R データフレーム データ削除

Posted at

行列で指定、マイナスをつける

> d0
Age BW Sex a
1 60 66 M 1
2 70 57 F 2
3 65 78 F 3
4 23 88 M 4
5 66 90 M 5
6 77 57 M 6

4行目のデータを削除
> d1<-d0[-4,]
> d1
Age BW Sex a
1 60 66 M 1
2 70 57 F 2
3 65 78 F 3
5 66 90 M 5
6 77 57 M

さらに、1,3,6行目のデータ削除
>d2<-d1[c(-1,-3,-6),]
> d2
Age BW Sex a
2 70 57 F 2
5 66 90 M 5
6 77 57 M 6

4列目のaを削除
> d3<-d2[,-4]
> d3
Age BW Sex
2 70 57 F
5 66 90 M
6 77 57 M

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