Another possible equation is <math>D = \frac{T-2N+2}{N(N-3)+2},</math> whereas the ties <math>T</math> are unidirectional (Wasserman & Faust 1994).<ref>http://psycnet.apa.org/journals/prs/9/4/172/</ref> This gives a better overview over the network density, because unidirectional relationships can be measured. | Another possible equation is <math>D = \frac{T-2N+2}{N(N-3)+2},</math> whereas the ties <math>T</math> are unidirectional (Wasserman & Faust 1994).<ref>http://psycnet.apa.org/journals/prs/9/4/172/</ref> This gives a better overview over the network density, because unidirectional relationships can be measured. |