作者imgodya (许我一个PhD)
看板Statistics
标题[问题]推论统计(完全不懂)
时间Fri Feb 22 23:15:03 2008
Find E{R^2/(1-R^2)} under the null hypothesis, where R^2 is the sample squared
multiple correlation coefficient. Hint: E{[χ^2]^k} = 2^kΓ(v/2 + k)/Γ(v/2),
whereχ^2 is aχ^2-distributed random variable with v degrees of freedom.
翻了很多书 不太懂这个问题的定理
想请问要如何推导??
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