Methods | GVIM | PVIM (CART-RF) | PVIM (CIT-RF) | CPVIM | varSelRF | varSelMD | IPM |
---|---|---|---|---|---|---|---|
Main references | [43] | [2] | [25] | [26] | [11] and this manuscript | ||
Key characteristic | Node impurity | Accuracy after variable permutation | Accuracy after variable permutation | Alternative of PVIM; Conditional permutation | Backward elimination | Variable selection based on MD | Variables intervening in prediction |
RF-based | CART-RF | CART-RF | CIT-RF | CIT-RF | CART-RF | CART-RF | CART-RF or CIT-RF |
Handling of response | Univariate | Univariate | Univariate | Univariate | Categorical | All (multivariate included) | All (multivariate included) |
Main R implementation | Additional file 2 | ||||||
Casewise importance | No | Yes | Not defined | Not defined | No | No | Yes |