概率抽样是指在调查总体样本中的每个单位都具有同等可能性被抽中的机会。又称随机抽样,概率抽样以概率理论和随机原则为依据来抽取样本的抽样,是使总体中的每一个单位都有一个事先已知的非零概率被抽中的抽样。总体单位被抽中的概率可以通过样本设计来规定,通过某种随机化操作来实现,虽然随机样本一般不会与总体完全一致。
概率抽样 [统计] probability sampling ; Probability sample ; probabilistic sample ; Probability Proportionate to Size Sampling
非概率抽样 [数] non-probability sampling ; nonprobability samples ; probability sampling
随机概率抽样 random probability samples
概率抽样法 probability sampling ; probability proportional to size
不等概率抽样 sampling with unequal probabilities
等概率抽样 equal probability sampling ; [统计] sampling with equal probability
分层概率抽样 stratified probability sampling
概率抽样方法 Probability Sampling
概率抽样的备择方案 [统计] alternative to probability sampling
An algorithm integrating the fault enumeration and probabilistic sampling is established and carried out by parallel processing. In the proposed algorithm the features of power network operation and dispatching are adequately considered.
采用故障枚举和概率抽样相结合的算法,分前后台实现了并行计算。
参考来源 - 电网运行调度可靠性算法研究及软件实现An algorithm integrating the fault enumeration and probabilistic sampling is established and carried out by parallel processing. In the proposed algorithm the features of power network operation and dispatching are adequately considered.
采用故障枚举和概率抽样相结合的算法,分前后台实现了并行计算。
参考来源 - 电网运行调度可靠性算法研究及软件实现·2,447,543篇论文数据,部分数据来源于NoteExpress
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.
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