[R] convering upper triangular matrix into vector

e.rapsomaniki@mail.cryst.bbk.ac.uk e.rapsomaniki at mail.cryst.bbk.ac.uk
Sun Oct 2 11:04:28 CEST 2005


Hi

I have two symmetrical distance matrices and want to compute the correlation
coefficient between them (after turning them into vectors). 

Is there a way of selecting only the upper triangular part of each matrix, then
convert this into a vector so I can compute the correlation?

Many Thanks
Eleni Rapsomaniki




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