阐明定群监测计数资料零截尾分布数据的分析方法。
Zero-truncated count models could be applied for the zero-truncated count data of cohort surveillance well.
由于开放式基金流动性风险主要来自于大额赎回量,因此使用截尾分布方法预测未来近期的大额赎回量更合适。
Because the liquidity risk of open-end funds is mainly from large amounts of redemption, it is more appropriate to predict the large amounts of redemption by using truncation distribution method.
使用样本空间排序法给出了指数分布情形下不相同定时截尾试验平均寿命置信下限的估计方法。
Sample space order method is used to give the lower confident limits of mean life under unequal time truncations for exponent distribution.
考虑随机截尾试验中有些试验产品无故障数据出现,提出采用平均秩次法计算经验分布函数。
Because some products show no failure in the random truncation test period, this paper USES the mean rank order method to calculate the empirical cumulative distribution function.
本文给出了制订定时截尾下指数分布产品可靠性抽样检验方案的统计方法。
This paper gives a statistical method of working out reliability sampling inspection plans for items whose failure times are distributed as exponential distributions.
对给定的寿命试验数据x,利用似然比检验法可对该数据是来自截尾指数分布还是截尾正态分布进行判别,但却很难求出似然统计量的分布形式。
For a life data x, whether it comes from the censoring exponential distribution or the censoring normal distribution, it can use the likelihood ratio test to make a decision.
乔木层株数随胸径分布呈现截尾正态分布。
Diameter distribution of tree stratum reveals truncated normal distribution.
传统的多元回归分析只适用于正态分布和完全数据的情况,而本文则将其推广到威布尔分布、极值分布和截尾数据的情况。
The present method extends the traditional multiple regression analysis that is only suitable to normal distribution and complete data to Weibull distribution, extreme distribution and censored data.
研究了随机右截尾情形下两个指数分布的参数估计。
This paper studies the parameters' estimation of two exponential distributions under randomly right censoring.
以总试验时间为检验统计量,在定时截尾寿命试验下研究GBVE分布产品失效率的抽样检验方案,随机模拟结果显示此方法有效。
A sampling inspection plan for the failure rate of GBVE distribution with the test statistic of total experimental time based on Type I censoring is presented.
本文给出了制定定时截尾寿命试验下指数分布产品失效率的抽样检验方案的一个新方法,检验统计量是总试验时间。
A sampling inspection plan for the failure rate of GBVE distribution with the test statistic of total experimental time based on Type I censoring is presented.
采用零截尾计数模型分析,不仅可以解决零截尾计数分布问题,且参数估计结果更准确,拟合效果更合理。
Zero-truncated count model could not only solve the issue of zero-truncated count distribution, but also the parameter estimates were more accurate, the fitting results were more reasonable.
本文给出了制定定时截尾寿命试验下指数分布产品失效率的抽样检验方案的一个新方法,检验统计量是总试验时间。
This paper gives a new statistical method of working out a sampling inspection plan for the failure rate of exponential populations.
本文提出用截尾正态分布作为单件、小批量生产的仪器零件、机器零件尺寸误差分布的理论模型。
A curtailed normal distribution as a theoretical model for the error distribution of size of the machine parts and instrument parts in single - part or small-lot production is proposed in this paper.
根据截尾均值、平尾均值的定义和截尾正态分布,本文得到了这两种均值都是最或然估计量。
The maximum likelihood estimators(MLE) of means and standard deviations and the asymptotic distribution of likelihood ratio statistic are given.
本文试图在指数分布场合下对截尾数据讨论简单步加试验。
The present paper considers simple failure-step-stress ALT for censored data assumed to be from an exponential distribution.
传统回归分析只适用于来自正态分布的完全数据,对于截尾数据或威布尔分布数据则无能为力,目前工程上只能采用成组试验方法,结果导致试验量很大。
The traditional regression analysis is only suitable to complete data from normal distribution. In engineering, censored data is analyzed by group test method that requires a large number of samples.
对指数分布下的双截尾数据和分段数据,给出了其参数矩估计的一种新的方法。
A new method of moment parameter estimation parameter is given by double side censored data and interval data in the exponential distribution.
利用两阶段抽样 ,构造了定数截尾数据下指数分布参数的一个置信下限 ,它同时满足预先指定的可靠度和精度。
A method is presented to calculate approximate value of confidence lower limits making use of reliability test data of torpedo components.
利用两阶段抽样 ,构造了定数截尾数据下指数分布参数的一个置信下限 ,它同时满足预先指定的可靠度和精度。
A method is presented to calculate approximate value of confidence lower limits making use of reliability test data of torpedo components.
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