Table 3.
Loading | Zero-inflation | Bias | SD | RMSE | |||
---|---|---|---|---|---|---|---|
PCA | ZIBP-PCA | PCA | ZIBP-PCA | PCA | ZIBP-PCA | ||
Strong loading v11 | 0% | −0.020 | −0.006 | 0.044 | 0.051 | 0.048 | 0.051 |
10% | −0.258 | −0.009 | 0.006 | 0.053 | 0.258 | 0.054 | |
20% | −0.271 | −0.017 | 0.005 | 0.071 | 0.271 | 0.073 | |
40% | −0.277 | −0.036 | 0.004 | 0.090 | 0.277 | 0.097 | |
60% | −0.280 | −0.064 | 0.005 | 0.094 | 0.280 | 0.114 | |
80% | −0.281 | −0.115 | 0.007 | 0.070 | 0.281 | 0.135 | |
Strong loading v23 | 0% | −0.030 | −0.077 | 0.049 | 0.181 | 0.057 | 0.196 |
10% | −0.237 | −0.062 | 0.059 | 0.150 | 0.244 | 0.162 | |
20% | −0.245 | −0.055 | 0.067 | 0.132 | 0.254 | 0.143 | |
40% | −0.253 | −0.058 | 0.080 | 0.109 | 0.265 | 0.123 | |
60% | −0.261 | −0.079 | 0.101 | 0.096 | 0.280 | 0.125 | |
80% | −0.275 | −0.130 | 0.124 | 0.074 | 0.301 | 0.150 | |
Strong loading v35 | 0% | −0.019 | −0.330 | 0.033 | 0.320 | 0.039 | 0.460 |
10% | −0.115 | −0.212 | 0.032 | 0.290 | 0.119 | 0.359 | |
20% | −0.123 | −0.111 | 0.038 | 0.219 | 0.129 | 0.245 | |
40% | −0.132 | −0.032 | 0.050 | 0.090 | 0.141 | 0.095 | |
60% | −0.143 | −0.028 | 0.061 | 0.050 | 0.155 | 0.057 | |
80% | −0.175 | −0.061 | 0.106 | 0.050 | 0.204 | 0.079 | |
Zero loading v17 | 0% | −3e-04 | 0.004 | 0.019 | 0.001 | 0.019 | 0.004 |
10% | 0.156 | 0.005 | 0.004 | 0.002 | 0.156 | 0.005 | |
20% | 0.168 | 0.006 | 0.003 | 0.002 | 0.168 | 0.006 | |
40% | 0.175 | 0.011 | 0.003 | 0.004 | 0.175 | 0.012 | |
60% | 0.177 | 0.022 | 0.004 | 0.009 | 0.177 | 0.024 | |
80% | 0.178 | 0.055 | 0.005 | 0.020 | 0.178 | 0.058 | |
Zero loading v27 | 0% | −5e-04 | 0.004 | 0.022 | 0.002 | 0.022 | 0.004 |
10% | 0.020 | 0.005 | 0.023 | 0.002 | 0.031 | 0.005 | |
20% | 0.021 | 0.006 | 0.026 | 0.004 | 0.033 | 0.007 | |
40% | 0.020 | 0.009 | 0.030 | 0.006 | 0.036 | 0.011 | |
60% | 0.020 | 0.014 | 0.035 | 0.013 | 0.040 | 0.019 | |
80% | 0.018 | 0.021 | 0.049 | 0.028 | 0.052 | 0.035 | |
Zero loading v37 | 0% | 0.001 | 0.002 | 0.026 | 0.003 | 0.026 | 0.003 |
10% | 0.027 | 0.003 | 0.028 | 0.004 | 0.039 | 0.005 | |
20% | 0.028 | 0.004 | 0.030 | 0.004 | 0.041 | 0.006 | |
40% | 0.028 | 0.009 | 0.034 | 0.007 | 0.044 | 0.011 | |
60% | 0.025 | 0.015 | 0.043 | 0.014 | 0.050 | 0.020 | |
80% | 0.023 | 0.022 | 0.058 | 0.030 | 0.062 | 0.037 |