Table 4.
Predictor set | R2 |
---|---|
X1 | 0.250 |
X2 | 0.000 |
X3 | 0.063 |
X1, X2 | 0.275 |
X1, X3 | 0.267 |
X2, X3 | 0.067 |
X1, X2, X3 | 0.301 |
Predictor contribution is determined by researcher judgment. The model with the highest R2 value, but with the most ease of interpretation, is typically chosen.