Process / pipelineSampling

简单随机抽样 — SRS

简单随机抽样（SRS）是最基础的概率抽样方法，其中总体中的每个单元都有相等且独立的被选中的机会。由于选择完全由机会决定，SRS 消除了系统偏差，支持对总体参数进行无偏估计，并为所有更复杂的概率设计提供了统计基准。

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The neighbourhood of related methods — select a node to explore.

简单随机抽样

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Cochran, W. G. (1977). Sampling Techniques (3rd ed.). John Wiley & Sons. ISBN: 978-0471162407
Lohr, S. L. (2009). Sampling: Design and Analysis (2nd ed.). Brooks/Cole. ISBN: 978-0495105275

ScholarGate. (2026, June 3). Simple Random Sampling. ScholarGate. https://scholargate.app/zh/survey-methodology/simple-random-sampling

Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.