Table 2 Standardized residual variance using Principal Component Analysis
Standardized residual variance (in Eigenvalue units) | Eigen | Empirical (%) |
|---|---|---|
Total raw variance in observations | 52.2 | 100.0 |
Raw variance explained by measures | 22.2 | 42.6 |
Raw variance explained by persons | 1.8 | 3.4 |
Raw variance explained by items | 20.5 | 39.2 |
Raw unexplained variance (total) | 30.0 | 57.4 |
Unexplained variance in 1st contrast | 4.0 | 7.7 |