Gamma Kernel Estimators for Density and Hazard Rate of Right-Censored Data

Table 1

Mean (×10⁻²) of 𝐿₂ error for the density function estimators.

		𝑛=125		𝑛=250		𝑛=500		𝑛=1000
Model	% cens	G	LL	G	LL	G	LL	G	LL
A	10	1.17	1.55	1.01	1.41	0.94	1.34	0.93	1.31
	25	1.48	1.96	1.27	1.83	1.24	1.80	1.18	1.77
	50	3.15	2.01	3.11	1.95	3.09	1.90	3.06	1.85
B	10	1.08	1.44	0.76	1.02	0.58	0.73	0.44	0.52
	25	1.65	3.50	1.56	3.22	1.50	2.99	1.42	2.72
	50	3.08	9.26	3.04	9.16	3.02	9.13	2.91	9.40

G: gamma estimator; LL: local linear estimator; Model A: exponential survival times with uniform censoring times; Model B: Weibull survival times with Weibull censoring times. The results are based on 1000 replications.