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正文中说“第一个方差相当于粽子方差,第二个方差相当于样本无偏方差”。 但代码中第二个方差ddof为0,第一个方差ddof为1才是样本无偏方差。 此外,我没有搜索到“粽子方差”这个名词。是指ddof=0时的方差吗?
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不好意思,这里应该没有问题,是我想错了 不过“粽子方差”应为“总体方差的无偏估计”
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正文中说“第一个方差相当于粽子方差,第二个方差相当于样本无偏方差”。


但代码中第二个方差ddof为0,第一个方差ddof为1才是样本无偏方差。
此外,我没有搜索到“粽子方差”这个名词。是指ddof=0时的方差吗?
The text was updated successfully, but these errors were encountered: