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. 2017 May 18;19(1):54–70. doi: 10.1093/biostatistics/kxx024

Table 1.

Summary of simulation studies with length-biased data. EST: empirical mean; SD: empirical standard deviation; ESE: average of asymptotic standard error estimates

        Proposed method Naive method
N CENSOR PARA TRUE EST SD ESE EST SD
300 0% Inline graphic 1.2 1.16 0.14 0.12 0.49 0.13
    Inline graphic 1.0 1.05 0.27 0.23 1.27 0.26
    Inline graphic 1.0 0.94 0.45 0.39 0.49 0.43
    Inline graphic -0.5 -0.50 0.14 0.14 -0.50 0.16
    Inline graphic 1.0 1.01 0.27 0.25 1.01 0.29
  10% Inline graphic 1.2 1.16 0.15 0.12 0.69 0.15
    Inline graphic 1.0 1.06 0.28 0.25 1.22 0.29
    Inline graphic 1.0 0.94 0.47 0.41 0.59 0.48
    Inline graphic -0.5 -0.50 0.16 0.15 -0.43 0.16
    Inline graphic 1.0 1.01 0.29 0.27 0.89 0.29
  30% Inline graphic 1.2 1.18 0.18 0.14 0.79 0.18
    Inline graphic 1.0 1.07 0.32 0.28 1.20 0.34
    Inline graphic 1.0 0.95 0.54 0.47 0.68 0.57
    Inline graphic -0.5 -0.49 0.17 0.17 -0.40 0.19
    Inline graphic 1.0 1.01 0.32 0.30 0.83 0.34
600 0% Inline graphic 1.2 1.16 0.10 0.08 0.49 0.09
    Inline graphic 1.0 1.03 0.19 0.16 1.25 0.18
    Inline graphic 1.0 0.94 0.32 0.27 0.49 0.31
    Inline graphic -0.5 -0.50 0.10 0.10 -0.50 0.12
    Inline graphic 1.0 1.00 0.17 0.17 1.00 0.19
  10% Inline graphic 1.2 1.17 0.11 0.09 0.69 0.10
    Inline graphic 1.0 1.04 0.20 0.17 1.21 0.20
    Inline graphic 1.0 0.95 0.33 0.29 0.58 0.34
    Inline graphic -0.5 -0.50 0.11 0.11 -0.43 0.12
    Inline graphic 1.0 1.00 0.19 0.19 0.88 0.20
  30% Inline graphic 1.2 1.17 0.12 0.10 0.78 0.12
    Inline graphic 1.0 1.04 0.22 0.20 1.18 0.23
    Inline graphic 1.0 0.95 0.37 0.33 0.66 0.39
    Inline graphic -0.5 -0.49 0.12 0.12 -0.39 0.13
    Inline graphic 1.0 1.00 0.21 0.21 0.82 0.23