I have three column vectors (X1, X2, X3). 
        X1  X2  X3 
       20   25  40
       100 90  80
I want to put them as one matrix of dimention 2 by 3,  but remove headers(X1,X2,X3) from the matrix. I wrote
as follows

U<-cbind (X1,X2,X3)

the headers are there. I need help please. Thanks
Dereje
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