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Correlation coefficients for data in Figure 1. Pearson's coefficients are shown followed by Spearmans' rank coefficients in parentheses.
| mapTREC | bprefTREC | mapNT | bprefNT | |
| mapTREC | 1.0000 | 0.9291 (0.9780) | 0.9214 (0.7103) | 0.8416 (0.8057) |
| bprefTREC | 1.0000 | 0.9560 (0.6575) | 0.9384 (0.8020) | |
| mapNT | 1.0000 | 0.9373 (0.8307) | ||
| bprefNT | 1.0000 |
