作者rainyuhtree (ianyu)
看板Grad-ProbAsk
标题[商管] [统计]-96云科财金所
时间Sat Mar 20 22:53:47 2010
请教一下第四题
given the two random variables X and Y which have the joint density
f(x,y) = xe^[-x（1+y）] for x>0 and y>0
= 0 elsewhere
find the regression equation of Y on X
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1F：推 goshfju:即求 E(Y|X=x) 03/20 23:17
2F：→ rainyuhtree:谢谢 03/21 17:10