它可以决定一个人应该选择非概率抽样还是概率抽样。
It may determine whether one should choose nonprobability sampling or probability sampling.
目前使用的两种抽样的基本方法是概率抽样和非概率抽样。
The two basic sampling methods in use today are probabilistic and non_probabilistic sampling.
结果显示随机概率抽样方法拟合的相函数与散射相函数间的方均根差更小。
The result showed that the root-mean-square of Phase function fitted by random probability sampling method is smaller.
解决当前我国民意调查报道中的主要问题的对策是：一是概率抽样应成为民意调查抽样的主要方式；
The antidotes for solving these problems in our country's public opinion survey report are the folio wings. Firstly, probability sampling should become main sampling method in public opinion survey.
针对输运修正引起的自散射截面导致的负概率抽样现象，提出了一种非负修正方法，并用基准计算验证了该方法的正确性。
Because of the phenomenon that the negative self-scattering cross sections cause the negative probability sample, a nonnegative corrected method is put forward and validated by the benchmark problems.
要检验虚假设，需要知道在假设存在随机抽样可变性的情况下获得这么一个极限值的概率。
To test your null hypothesis, you want to know the probability of obtaining a value this extreme under the assumption that it is due to random sampling variability.
要得出这一概率，需要理解X平方分布的抽样分布是什么样的。
To find this probability, you need to understand what the sampling distribution for Chi Square looks like.
对不同的示踪剂，仅在颗粒数量上等效，在抽样概率上是不等效的。
With different tracers, they are equivalent only in the number of grain, but not equivalent in the sampling probability.
针对状态具有模糊性的广义可靠性分析问题，提出一种广义失效概率计算的线抽样方法。
For general reliability analysis with fuzzy failure and safety state, line sampling method is presented to calculate general failure probability.
该模型的核心部分是根据观测到的资料，通过蒙特卡洛马尔科夫链随机抽样的方法来估计变点位置的后验概率分布。
Given the observed hydrological data, the model can estimate the posterior probability distribution of each location of change-point by using the Monte Carlo Markov Chain (MCMC) sampling method.
针对序贯概率比检验（SPRT）无法控制抽取样本量等不足之处，提出了一种改进的抽样检验方法——序贯网图检验。
This paper proposed a new sampling plan, the sequential mesh test, in order to overcome the disadvantages of the widely used Sequential Probability Ratio Test (SPRT).
针对工程实际中大量存在的小失效概率问题，提出了基于子集模拟和重要抽样的可靠性灵敏度分析方法。
Reliability sensitivity algorithm is presented on the basis of subset simulation and importance sampling due to the small failure probability highly experienced in engineering.
介绍了连续抽样中概率发生变化时保留样本的方法。
The method for retaining sampled units in successive sampling survey for changed probability of selection is introduced.
应用该方法可以大大提高小概率事件的抽样效率，文中给出一组仿真结果对照。
Using the way, the sampling efficiency for small-probability events can be improved considerably, as can be seen from the contrasts shown in a group of results of simulation.
具体说明方法的数学概率模型及随机抽样方法。
A mathematical probable model and random sampling method are illustrated, too.
进一步研究了基于吉布斯抽样的贝叶斯最大后验概率方位估计方法。
Bayesian maximum a posterior DOA estimator based on Gibbs sampling (GSBM) is further investigated.
起初，人口抽样数据被分成亚群的数据集，在整个试验持续时间，通过使用后的属于各观测概率的每个亚群。
At first, the population sample data are split into subpopulation data sets over the whole test duration by using the posterior belonging probability of each observation to each subpopulation.
提出了基于重要性抽样的贝叶斯最大后验概率方位估计方法。
Bayesian maximum a posterior DOA estimator based on importance sampling (ISBM) is proposed.
它的主要理论基础是概率论中的大数定理，其主要手段是随机变量的抽样。
Its main theoretical base is the law of large Numbers in the theory of probability, whose main means is the sampling of random variable.
研究表明，在目前进口规模及入境口岸实施2%抽样检疫的前提下，橘小实蝇随进口水果传入我国的可能性的概率为0.147。
The introduction probability of oriental fruit fly via imported fruits is 0.147 under the recent quantities of imported fruits and the quarantine requirement of 2% sampling inspection at port.
另一方面，为顾及概率分布的尾部特征，提出拉丁超立方重要抽样技术。
On the other hand, Latin hypercube important sampling technique was presented to consider the tail of distribution.
导出了它的一般结构。推证了它在虚警概率、检测概率和平均抽样个数等方面的坚韧性，并讨论了它的渐近性能。
Its robustness including false alarm probability, detection probability and average sample number is demonstrated and its asymptotic performance is discussed.
其中概率论是抽样审计建立的基础，数理统计是具体方法形成的理论基础。
The theory of probability is the foundation upon which sample auditing is established and numerical statistics is the theoretical foundation upon which concrete methods come into being.
方法采用非概率随机抽样方法，选取283户家庭进行调查，并对调查结果进行统计、分析。
METHODS: a total of 283 families were investigated by random sampling, and the results of investigation were analyzed statistically.
方法按顺庆城区娱乐场所分布用等概率随机抽样方法抽中368名暗娼 按“一对一”问卷调查。
Methods According to the distribution of recreation places of Shunqing district, 368 CSW were investigated one-to-one by anonymous questionnaire through equal probability sampling.
这种方法通过由相关函数抽样序列形成的协方差矩阵控制序列的相关性，适用于仿真具有不同概率密度函数的各种有限长相关的随机序列。
This method can control the series correlation via covariance matrix that was formed from correlation series and is suit for simulating finite correlated random series of different distributions.
证明了在期望值决策准则下，用等概率分层随机抽样得到的方案收益期望值的均值，与用简单随机抽样得到的相同。
It is verified that th action's mean value of the expected value by simple radom sampling is equal to one by stratified radom sampling.
证明了在期望值决策准则下，用等概率分层随机抽样得到的方案收益期望值的均值，与用简单随机抽样得到的相同。
It is verified that th action's mean value of the expected value by simple radom sampling is equal to one by stratified radom sampling.
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