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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: J Am Stat Assoc. 2018 Jul 9;114(525):259–270. doi: 10.1080/01621459.2017.1401540

Table 4.

Weighted NPMLEs for the proportional odds model in comparison to Fine (2001). Censorings uniformly distributed on [a, b], with [τ ] denoting administrative censoring at τ. Bias),%) deviation from true parameter (absolute values and in %), SE) empirical standard error, SEE) sandwich estimator, Cov) coverage probability of 0.95 confidence intervals for the sandwich estimator.

weighted NPMLE Fine (2001)

size [a, b] Bias % SE SEE Cov Bias % SE SEE Cov
50 [τ] 0.010 2.0 0.285 0.276 0.942 0.029 5.8 0.409 0.377 0.955
150 [τ] 0.003 0.7 0.163 0.159 0.940 0.017 3.4 0.205 0.197 0.938
50 [0.75, 1.5] 0.009 1.8 0.310 0.289 0.938 0.093 18.6 0.567 0.482 0.956
150 [0.75, 1.5] 0.003 0.7 0.165 0.164 0.948 0.036 7.2 0.239 0.230 0.954