. Author manuscript; available in PMC: 2013 May 29.

Published in final edited form as: Biometrika. 2006 Dec;93(4):763–775. doi: 10.1093/biomet/93.4.763

Table 4.

Bias and standard error of β̂ from the proposed semiparametric method and the Sun–Wei estimators when the observation times are informative

	n=100			n=1000
	Proposed	SW^a	SW^b	Proposed	SW^a	SW^b
Bias	−0·009	0·246	0·932	−0·001	0·245	0·928
SE	0·123	0·153	0·153	0·033	0·049	0·048

SW^a, the Sun–Wei estimator without modelling the observation pattern; SW^b, the Sun–Wei estimator with modelling the observation pattern; Bias and SE, Monte Carlo sample mean and standard deviation for the 1000 estimates of β.