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May
15
comment Proving independence of two variables in a joint distribution, using cumulative distribution functions
@DilipSarwate, Thanks for that tip. Didn't know such a deduction was possible. Can you point me to some reading on that method?
May
15
comment Proving independence of two variables in a joint distribution, using cumulative distribution functions
The CDF makes more sense in real-valued variables, but the definition of independence is described with PDF's, no? Also, does proving that the product of marginal PDF's equal the joint PDF imply that the product of marginal CDF's equal the joint CDF? This seems slightly non-obvious to me.