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. 2022 Dec 19;25(1):117–133. doi: 10.1093/biostatistics/kxac049

Table 2.

Monte Carlo biases of the estimators of Inline graphic

Censoring (Inline graphic) MS Inline graphic Inline graphic GS IR SR Hybrid Step 1 Proposed NP
90 I Inline graphic 1 0.004 0.000 Inline graphic 0.007 Inline graphic 0.005 0.000 0.001 Inline graphic 0.029
      1.5 0.004 0.000 Inline graphic 0.014 Inline graphic 0.014 0.000 0.001 Inline graphic 0.038
      2 0.004 0.000 Inline graphic 0.018 Inline graphic 0.024 0.000 0.001 Inline graphic 0.044
    Inline graphic 1 Inline graphic 0.002 Inline graphic 0.002 0.012 0.006 Inline graphic 0.003 Inline graphic 0.001 0.028
      1.5 Inline graphic 0.002 Inline graphic 0.003 0.015 0.014 Inline graphic 0.003 Inline graphic 0.002 0.036
      2 Inline graphic 0.002 Inline graphic 0.002 0.020 0.023 Inline graphic 0.003 Inline graphic 0.003 0.043
  II Inline graphic 1 0.004 0.004 Inline graphic 0.007 Inline graphic 0.004 0.004 0.003 Inline graphic 0.030
      1.5 0.004 0.004 Inline graphic 0.013 Inline graphic 0.012 0.004 0.004 Inline graphic 0.040
      2 0.004 0.004 Inline graphic 0.018 Inline graphic 0.022 0.004 0.005 Inline graphic 0.047
    Inline graphic 1 Inline graphic 0.002 Inline graphic 0.001 0.012 0.007 0.000 Inline graphic 0.002 0.032
      1.5 Inline graphic 0.002 Inline graphic 0.001 0.015 0.014 Inline graphic 0.001 Inline graphic 0.002 0.041
      2 Inline graphic 0.002 Inline graphic 0.001 0.020 0.023 0.000 Inline graphic 0.002 0.048
69 I Inline graphic 1 0.002 Inline graphic 0.006 Inline graphic 0.015 Inline graphic 0.016 0.001 0.000 Inline graphic 0.031
      1.5 0.002 Inline graphic 0.006 Inline graphic 0.027 Inline graphic 0.038 0.001 0.000 Inline graphic 0.042
      2 0.002 Inline graphic 0.006 Inline graphic 0.037 Inline graphic 0.055 0.001 0.000 Inline graphic 0.049
    Inline graphic 1 0.000 0.007 0.016 0.017 Inline graphic 0.001 0.001 0.032
      1.5 0.000 0.007 0.027 0.038 Inline graphic 0.001 0.001 0.042
      2 0.000 0.007 0.037 0.056 Inline graphic 0.001 0.000 0.049
  II Inline graphic 1 0.002 Inline graphic 0.005 Inline graphic 0.015 Inline graphic 0.015 0.001 0.000 Inline graphic 0.035
      1.5 0.002 Inline graphic 0.006 Inline graphic 0.027 Inline graphic 0.037 0.001 0.000 Inline graphic 0.046
      2 0.002 Inline graphic 0.006 Inline graphic 0.037 Inline graphic 0.054 0.001 0.001 Inline graphic 0.054
    Inline graphic 1 0.000 0.008 0.016 0.017 Inline graphic 0.001 0.001 0.035
      1.5 0.000 0.008 0.027 0.038 0.000 0.001 0.047
      2 0.000 0.008 0.037 0.055 0.000 0.001 0.054
55 I Inline graphic 1 0.001 Inline graphic 0.014 Inline graphic 0.022 Inline graphic 0.024 0.000 Inline graphic 0.001 Inline graphic 0.033
      1.5 0.001 Inline graphic 0.014 Inline graphic 0.036 Inline graphic 0.048 0.000 Inline graphic 0.001 Inline graphic 0.044
      2 0.001 Inline graphic 0.014 Inline graphic 0.048 Inline graphic 0.068 0.000 0.000 Inline graphic 0.051
    Inline graphic 1 0.000 0.015 0.023 0.025 Inline graphic 0.001 0.001 0.034
      1.5 0.000 0.015 0.038 0.050 Inline graphic 0.001 0.001 0.045
      2 0.000 0.015 0.048 0.069 Inline graphic 0.001 0.000 0.051
  II Inline graphic 1 0.001 Inline graphic 0.014 Inline graphic 0.022 Inline graphic 0.023 0.000 Inline graphic 0.001 Inline graphic 0.038
      1.5 0.001 Inline graphic 0.014 Inline graphic 0.036 Inline graphic 0.047 0.000 Inline graphic 0.001 Inline graphic 0.050
      2 0.001 Inline graphic 0.014 Inline graphic 0.048 Inline graphic 0.066 0.000 Inline graphic 0.001 Inline graphic 0.057
    Inline graphic 1 0.000 0.016 0.023 0.025 0.000 0.002 0.039
      1.5 0.000 0.016 0.038 0.049 0.000 0.002 0.050
      2 0.000 0.016 0.048 0.068 0.000 0.001 0.058