chi square distribution 卡方分布
- Look at the Chi Square sampling distribution
观察 X 平方分布的抽样分布 - As you can see, the histogram of these Chi Square values approximate the continuous Chi Square distribution presented above for df = 2.
正如您可以看到的,这些 X 平方分布值的直方图与上面表示的 df = 2的连续 X 平方分布的分布近似。 - Finally, I demonstrated how to simulate the Chi Square sampling distribution for different degrees of freedom, going beyond simply commenting on its derivation.
最后,我演示了如何模拟不同自由度的 X 平方分布的抽样分布,而不只是仅说明其来源。
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