Skip to main content

Table 3 Average RMSE of 100 simulations using the African Race dataset for KNN-TN, KNN-CR and KNN-EU

From: Distribution based nearest neighbor imputation for truncated high dimensional data with applications to pre-clinical and clinical metabolomics studies

MNAR/MAR Sample size Group KNN-TN KNN-CR KNN-EU
6%/3% 15 Tanzania 0.695 (0.050) 0.711 (0.051) 0.772 (0.049)
25 Ethiopia 0.575 (0.029) 0.592 (0.029) 0.701 (0.033)
10%/5% 15 Tanzania 0.659 (0.052) 0.674 (0.053) 0.728 (0.050)
25 Ethiopia 0.556 (0.029) 0.574 (0.029) 0.665 (0.031)
20%/10% 15 Tanzania 0.577 (0.049) 0.588 (0.049) 0..627 (0.051)
25 Ethiopia 0.507 (0.026) 0.520 (0.027) 0.599 (0.028)
  1. Total missing was considered at 9%, 15% and 30%, and within each missing, MNAR was greater than MAR