Matching method | Pseudo R2 | LR statistical quantity | Standardised deviation/% |
pre-matching | 0.273 | 2087.94 | 13.0 |
radius match | 0.020 | 60.91 | 2.7 |
nuclear matching | 0.004 | 12.20 | 1.2 |
1:4 near-neighbour Matching in calipers | 0.019 | 56.91 | 2.5 |