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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: J Stat Comput Simul. 2012 Jul 5;82(10):1449–1470. doi: 10.1080/00949655.2011.581669

Table 7.

Simulation results: empirical mean (standard error) of Λ^0c(t)

Λ0c(0.05)=0.05 Λ0c(0.1)=0.1 Λ0c(0.15)=0.15 Λ0c(0.2)=0.2
60% – 80% censoring rate
True frailty distribution: inverse Gaussian (IG)
Used: IG 0.055(0.012) 0.110(0.022) 0.164(0.033) 0.218(0.044)
Used: gamma 0.045(0.009) 0.082(0.015) 0.116(0.022) 0.149(0.028)
True frailty distribution: positive stable (PS)
Used: PS 0.057(0.013) 0.113(0.023) 0.168(0.033) 0.221(0.041)
Used: gamma 0.278(0.047) 0.505(0.090) 0.743(0.141) 0.998(0.203)
True frailty distribution: discrete (Disc)
Used: Disc 0.052(0.007) 0.106(0.012) 0.159(0.017) 0.212(0.023)
Used: gamma 0.051(0.007) 0.105(0.014) 0.161(0.020) 0.219(0.027)

30% – 40% censoring rate
True frailty distribution: inverse Gaussian (IG)
Used: IG 0.067(0.041) 0.137(0.085) 0.208(0.130) 0.279(0.176)
Used: gamma 0.035(0.006) 0.062(0.010) 0.087(0.013) 0.110(0.016)
True frailty distribution: positive stable (PS)
Used: PS 0.050(0.010) 0.101(0.018) 0.151(0.025) 0.201(0.032)
Used: gamma 0.192(0.031) 0.326(0.054) 0.452(0.078) 0.578(0.105)
True frailty distribution: discrete (Disc)
Used: Disc 0.050(0.006) 0.100(0.011) 0.151(0.015) 0.201(0.019)
Used: gamma 0.055(0.008) 0.114(0.015) 0.176(0.022) 0.241(0.023)