[R] order matrix regarding its content.

[Uwe Ligges]

On 23.05.2015 11:10, Ragia Ibrahim wrote:
> Dear group,
> I have the following matrix
>
>    1 2 3 4 5 6 7 8 9 10
> 1  0 1 1 1 1 1 1 1 1  1
> 2  0 0 0 1 1 0 0 0 0  0
> 3  0 0 0 1 1 1 1 1 1  1
> 4  0 0 0 0 1 0 0 0 0  0
> 5  0 0 0 0 0 0 0 0 0  0
> 6  0 0 0 0 0 0 1 1 1  1
> 7  0 0 0 0 0 0 0 1 1  0
> 8  0 0 0 0 0 0 0 0 1  0
> 9  1 1 1 1 1 1 1 1 1  1
> 10 0 0 0 0 0 0 0 0 0  0
>
> how to order it according to ones and zeros to be ordered as if it all ones orpartially finally all zeros, like  the following or similar


  X[order(-rowSums(X)),]

Best,
Uwe Ligges



>
> 9  1 1 1 1 1 1 1 1 1  1
> 1  0 1 1 1 1 1 1 1 1  1
> 3  0 0 0 1 1 1 1 1 1  1
> 6  0 0 0 0 0 0 1 1 1  1
> 2  0 0 0 1 1 0 0 0 0  0
> 7  0 0 0 0 0 0 0 1 1  0
> 4  0 0 0 0 1 0 0 0 0  0
> 8  0 0 0 0 0 0 0 0 1  0
> 5  0 0 0 0 0 0 0 0 0  0
> 10 0 0 0 0 0 0 0 0 0  0
>
>
> thanks in advance
> Ragia
>
>
>
>
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