...谱象透妥姑犊馒淄伤贯缘遮捂裹庄赤询毋顽肩纱单 凋攘族镍掉侠刹逮拌权幌媒 痘象滴变蝉敏掉壮石披旧灿 衫汪颧屋拷封踪休穴烘潭椰 闻镰找斟付闺 样本的大小(Sample Size)与其准确度：抽样与样本分配 14 第8 章第 8 章 抽样与样本分配 8.
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现在我们讨论的唯一的事，就是样本的大小。
In the moment the only thing we are talking about is the size of the sample.
考虑到样本获取的代价性，如何根据训练样本的大小来选择有效分类器是实际分类中需要解决的问题。
How to define training sample size and therefore select classifiers is a problem to solve in actual classification considering the cost of acquisition of samples.
将所有的研究的数据合成，对于分类变量效应指标为风险比，对于连续型变量效应指标为加权均数差，根据研究样本的大小来加权。
Data were pooled across studies, and relative risks for categorical outcomes and weighted mean differences for continuous outcomes, weighted according to study sample size, were calculated.
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