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王虹 《山西师范大学学报:自然科学版》1998,12(4):18-21
本文讨论了条件L泛函 θ(χ)=integral from n=0 to 1 F~(-1)(y|χ)J(y)dy sum from j=1 to m a_jF~(-1)(p_j|χ)的随机加权逼近的渐近性。 相似文献
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LIXiaohu 《系统科学与复杂性》2004,17(4):492-499
A new nonparametric procedure is developed to test the exponentiality against the strict NBUC property of a life distribution. The exact null distribution is derived by the theory of sample spacings, and the asymptotic normality is also established by the large sample theory of L-statistics. Finally, the lower and upper tailed probability of the exact null distribution and some numerical simulation results are presented as well. 相似文献
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K.W.Chen 《系统科学与复杂性》1992,(1)
In this paper we develop tests using L-statistic for constant relativefailure rate against monotone relative failure rate.Scale invariance,monotonepower and locally asymptotic power results are obtained.Some examples arepresented. 相似文献
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In this paper we develop tests using L-statistic for a constant relative trendagainst a convex ordered relative trend.Unbiasedness of the test is obtained.For a certainpath of trends,the score function can be chcsen so that the sequence of the constructed testsis locally asymptotically most powerful.An example is given to illustrate the results. 相似文献
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LIXiaohu 《系统科学与复杂性》2003,16(2):222-228
Assume an unreliable workstation performing jobs with a random service time, namely, it occasionally breaks down because of unexpected interruptions. As an interruption really occurs, the station is instantaneously repaired and the uncompleted job is restarted again from the beginning till a job is completed without being interrupted. The total service time is shown to be NBU if and only if the total time it takes to finish each job with interruptions is stochastically larger than that without them, irrespective of when and how the breakdowns occur. As an application, a nonparametric procedure is developed to test for the strict NBU property of the service time. Finally, some numerical simulations are presented as well. 相似文献
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