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amen (version 1.4.5)

el2sm: Edgelist to sociomatrix

Description

Construction of a sociomatrix from an edgelist

Usage

el2sm(el,directed=TRUE,nadiag=all(el[,1]!=el[,2]))

Value

a sociomatrix

Arguments

el

a matrix in which each row contains the indices of an edge and possibly the weight for the edge

directed

if FALSE, then a relation is placed in both entry ij and ji of the sociomatrix, for each edge ij (or ji)

nadiag

put NAs on the diagonal

Author

Peter Hoff

Examples

Run this code

Y<-matrix(rpois(10*10,.5),10,10) ; diag(Y)<-NA
E<-sm2el(Y) 
el2sm(E) - Y 

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