10-Fold Cross-Validation and LOOCV

Measure	KF-SLR	KF-MLR	LOOCV-SLR	LOOCV-MLR
RMSE	0.253	0.088	0.253	0.088
Rsquared	0.016	0.881	0.013	0.881
MAE	0.222	0.071	0.222	0.071
Source: Compiled by author using V-Dem (2020) and World Bank (2021) data.