Table 2. Statistics of inter-vector distances, and cophenetic correlation coefficients and ultrametric triangle fractions for GSS survey data (N = 600), merging split ballots so that F = 58.

description	mean intervector distance	sd of intervector distance	cophenetic corr. coeff.	ultrametric tri. frac.
Real	0.717	0.114	0.695	0.109
Permuted	0.717	0.057	0.296	0.134
Random	0.858	0.046	0.031	0.160
Simulated	0.889	0.051	0.123	0.160
Simulated permuted	0.889	0.041	0.028	0.178