偶遇抽样 (random sampling) 常见的未经许可
随机抽样(random sampling)这也是最简单暴力的一种抽样了,就是直接
随机抽样(random sampling)这也是最简单暴力的一种抽样了,就是直接
1)简单随机抽样(simple randome sampling):最简单又最基本的抽样方法
简单随机抽样 simple random samplingthere is an equal probability
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