Table 3.

Goodness-of-fit statistics for validation data sets (observed × simulated)

Validation Data Sets	Pearson r2(Group)	Mean Square Error (Group)	Explained Variance R2(Individuals)
London (LHR-v)	0.85	0.023	0.42
Los Angeles (LAX-v)	0.79	0.026	0.35
New York (JFK-v)	0.80	0.031	0.31
Johannesburg (JNB-v)	0.73	0.030	0.28

All correlations were significant at the 0.01 α level.