I'm currently taking a statistics course, but I'm having trouble with a specific concept, and hope this is a good place to ask.

Essentially, for random variables $y_{1},y_{2}$, how do you get from the conditional distribution function


to the joint density function


or the marginal density function? Is there an general algorithm/relationship for converting between these?

Thank you




  • $\begingroup$ Thank you! What exactly do $f(y_{1})$ and $f(y_{2})$ represent? And is there a way to find them if all I have is the conditional distribution? $\endgroup$ – F. Stephen Q Nov 19 '14 at 5:01

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