A general question for R users about matrix manipulation:
I have two symmetric distance matrices (measuring distances in 2
different variables) and I am trying to build a new matrix showing one
half of one of the matrices (below diagonal) and the other half of
other matrix (above he diagonal). Is there any R function to do this??
any help would be appreciated.
This is what i am talking about
The matrices I have:
matrix 1:
[1] [2] [3]
[1] 0 a b
[2] a 0 c
[3] b c 0
matrix 2
[1] [2] [3]
[1] 0 x y
[2] x 0 z
[3] y z 0
The matrix I want
[1] [2] [3]
[1] 0 a b
[2] x 0 c
[3] y z 0
Thanks,
FZ.
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