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. Author manuscript; available in PMC: 2008 Oct 29.
Published in final edited form as: Biometrics. 2007 Oct 25;64(2):567–576. doi: 10.1111/j.1541-0420.2007.00928.x

Table 3.

Numbers of times each K-base density combination was chosen by the HQ criterion when fitting the true model (PH, AFT, PO) for selected configurations in Tables 1 and 2.

Base Density Standard Normal Standard Exponential
K K
f0(t) n Cens. rate 0 1 2 0 1 2
True PH Model
lognormal 200 25% 873 43 19 11 33 21
Weibull 200 25% 9 0 35 854 74 28
gamma 200 25% 140 12 33 644 143 28
log-mixture 200 25% 239 26 721 0 0 14
gamma 200 18% right, 82% interval 302 28 8 645 12 5
log-mixture 200 20% right, 80% interval 505 62 241 9 6 177
True AFT Model
lognormal 200 25% 873 49 18 10 30 20
Weibull 200 25% 3 0 24 890 54 29
gamma 200 25% 65 16 49 624 212 34
log-mixture 200 25% 0 153 847 0 0 0
gamma 200 20% right, 80% interval 223 32 17 640 68 20
log-mixture 200 18% right, 82% interval 0 567 432 0 0 1
True PO Model
lognormal 200 25% 878 81 19 0 6 16
Weibull 200 25% 31 3 40 830 82 14
log-mixture 200 25% 0 225 774 0 0 1
log-mixture 200 18% right, 82% interval 0 620 350 0 6 24