Distributed Data Analysis | |||||||
 |  |  | Setting 1 |  |  | Setting 2 |  |
 |  | Global weight | Local weight | Proposed weight | Global weight | Local weight | Proposed weight |
\(K=5\), \({n}_{k}=500\) | Bias | -0.018 | -0.014 | -0.017 | 0.045 | 0.041 | 0.033 |
 | RMSE | 0.116 | 0.129 | 0.106 | 0.129 | 0.125 | 0.110 |
 | r-RMSE | 1.093 | 1.215 | 1.000 (Ref) | 1.176 | 1.140 | 1.000 (Ref) |
\(K=5\), \({n}_{k}=1000\) | Bias | -0.006 | -0.008 | -0.006 | 0.039 | 0.024 | 0.022 |
 | RMSE | 0.089 | 0.100 | 0.077 | 0.096 | 0.092 | 0.076 |
 | r-RMSE | 1.160 | 1.303 | 1.000 (Ref) | 1.269 | 1.216 | 1.000 (Ref) |
\(K=5\), \({n}_{k}=2000\) | Bias | -0.002 | -0.003 | -0.001 | 0.031 | 0.014 | 0.011 |
 | RMSE | 0.066 | 0.065 | 0.061 | 0.093 | 0.094 | 0.077 |
 | r-RMSE | 1.087 | 1.071 | 1.000 (Ref) | 1.210 | 1.223 | 1.000 (Ref) |
Pooled Individual-Level Data Analysis | |||||||
 |  |  | Setting 1 |  |  | Setting 2 |  |
 |  | Global weight | Local weight | Proposed weight | Global weight | Local weight | Proposed weight |
\(K=5\), \({n}_{k}=500\) | Bias | -0.018 | -0.014 | -0.017 | 0.045 | 0.041 | 0.033 |
 | RMSE | 0.116 | 0.129 | 0.106 | 0.129 | 0.125 | 0.110 |
 | r-RMSE | 1.093 | 1.215 | 1.000 (Ref) | 1.176 | 1.140 | 1.000 (Ref) |
\(K=5\), \({n}_{k}=1000\) | Bias | -0.006 | -0.008 | -0.006 | 0.039 | 0.024 | 0.022 |
 | RMSE | 0.089 | 0.100 | 0.077 | 0.096 | 0.092 | 0.076 |
 | r-RMSE | 1.160 | 1.303 | 1.000 (Ref) | 1.269 | 1.216 | 1.000 (Ref) |
\(K=5\), \({n}_{k}=2000\) | Bias | -0.002 | -0.003 | -0.001 | 0.031 | 0.014 | 0.011 |
 | RMSE | 0.066 | 0.065 | 0.061 | 0.093 | 0.094 | 0.077 |
 | r-RMSE | 1.087 | 1.071 | 1.000 (Ref) | 1.210 | 1.223 | 1.000 (Ref) |