It may determine whether one should choose nonprobability sampling or probability sampling.
它可以决定一个人应该选择非概率抽样还是概率抽样。
The result showed that the root-mean-square of Phase function fitted by random probability sampling method is smaller.
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。
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.
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。
Fixed probability sampling is the simplest technique for detecting bigger traffic flows while discarding the smaller ones which consist almost more than 80% of the count of whole traffic flows.
最简单的固定概率采样能监测较大业务流,但往往忽略掉比例几乎超过80%的较小业务流。
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.
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 simulation is categorized as a sampling method because the inputs are randomly generated from a probability distribution that stands in for a real data population.
模拟是按照采样方法分类的,因为输入是根据代表真实数据总体的概率分布而随机生成的。
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 find this probability, you need to understand what the sampling distribution for Chi Square looks like.
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。
It typically USES random number 5 generators to generate multiple scenarios of a model by repeatedly sampling values from the probability distributions for the uncertain variables.
它使用随机数5生成器通过重复地根据不确定变量的概率分布采样来生成模型的多重情境。
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。
With different tracers, they are equivalent only in the number of grain, but not equivalent in the sampling probability.
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。
For general reliability analysis with fuzzy failure and safety state, line sampling method is presented to calculate general failure 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。
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.
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。
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.
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。
Its main theoretical base is the law of large Numbers in the theory of probability, whose main means is the sampling of random variable.
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。
The method for retaining sampled units in successive sampling survey for changed probability of selection is introduced.
介绍了连续抽样中概率发生变化时保留样本的方法。
A visual attention mechanism model for discrete nonlinear sampling is studied to analyze its detection probability during pre-detecting small targets.
针对一种使用了离散非线性采样的视觉注意机制模型,对其应用在小目标预检测上的检测概率进行了研究和分析。
In this paper it not only gives the method of unequal probability in group sampling and unbiassedness of mean estimation and also gives the variance and its unbiassedness of estimation.
本文给出了集团抽样的不等概方法和均值的无偏估计,同时也给出了这种估计的方差及方差的无偏估计。
Reliability sensitivity algorithm is presented on the basis of subset simulation and importance sampling due to the small failure probability highly experienced in engineering.
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。
The average correlation coefficient is calculated to remove the errors caused by asynchronous sampling and the faulty line selection list is sorted according to the fault probability of line.
通过求取相关系数平均值,避免数据采集不同步引起的计算误差,得到按照发生线路故障可能性大小排列的故障选线序列。
Some times the probability of physics background is used to solve the random problem. This method is acquiring the key to the problem by directly sampling of the very problem electronically.
对于随机性问题,有时还可以根据实际物理背景的概率法则,用电子计算机直接进行抽样试验,从而求得问题的解答。
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.
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 method of transition probability flow graphs (TPFG), the average sampling number to signal for these charts is given, and the average time to signal for these charts is deduced.
利用转移概率流图(TPFG)方法得到了发信号前的平均样本数,进而推导出了发信号前的平均时间。
Based on the principle of the pollution probability, the atmospheric sampling station was set up on the coastal area of upstream wind side where the pollution probability is the highest.
应用污染几率原则,选择在沿岸地区最大污染几率的上风方位设立大气采样点。
A snowball sampling non-probability sample was used.
样本的取样方式采取 非机率型之滚雪球抽样法。
Method Cochran's classic sampling theo- ries, the improved randomized response technique(RRT) model, total probability formulas and properties of variance were used in this paper.
本文在随机截尾模型的基础上,为了提高回答者的合作程度,提出了两种改进的调查敏感性问题数量特征的随机化回答方法。
Method Cochran's classic sampling theo- ries, the improved randomized response technique(RRT) model, total probability formulas and properties of variance were used in this paper.
本文在随机截尾模型的基础上,为了提高回答者的合作程度,提出了两种改进的调查敏感性问题数量特征的随机化回答方法。
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