I hope the original paper can help: http://wexler.free.fr/library/files/chernoff%20(1973)%20the%20use%20of%20faces%20to%20represent%20points%20in%20k-dimensiona

I hope the original paper can help: http://wexler.free.fr/library/files/chernoff%20(1973)%20the%20use%20of%20faces%20to%20represent%20points%20in%20k-dimensional%20space%20graphically.pdf http://wexler.free.fr/library/files/chernoff%20(1973)%20the%...