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Jul
7
asked Inference from $\operatorname{Cov}(X^2,Y)>0$ to $\operatorname{Cov}(X,Y)$
Jul
7
comment Correlation between two sampling RVs
Please see my recent concern, @Did...
Jul
7
comment Absolute value of a sum of non-identically distributed RVs
@Mike Pierce, could this question be removed from "on hold" please?
Jul
7
awarded  Autobiographer
Jul
6
comment Correlation between two sampling RVs
I went back to this problem (actually using the proof for a paper in genetics) and it seems the inequality in your "By convexity $B_i\geqslant1+A_i$" should be the other way around. Please let me know what you think.
Jul
6
comment Absolute value of a sum of non-identically distributed RVs
OK, thanks for your note. I added some thoughts on the problem.
Jul
6
revised Absolute value of a sum of non-identically distributed RVs
edited body
Jul
6
revised Absolute value of a sum of non-identically distributed RVs
added 437 characters in body
Jul
5
revised Absolute value of a sum of non-identically distributed RVs
added 316 characters in body
Jul
5
accepted Variance of absolute value sums of random variables
Jul
3
revised Absolute value of a sum of non-identically distributed RVs
deleted 4 characters in body
Jul
3
asked Absolute value of a sum of non-identically distributed RVs
Jul
2
comment Variance of absolute value sums of random variables
Thanks, but the problem is that since my $n$ is very large (the problem is from a genetics model), the sum ($O(n^2)$) and factorials make it somewhat intractable.
Jul
2
revised Variance of absolute value sums of random variables
deleted 11 characters in body
Jul
2
revised Variance of absolute value sums of random variables
deleted 11 characters in body
Jul
2
comment Variance of absolute value sums of random variables
Yes, I agree.... and?
Jul
2
comment Variance of absolute value sums of random variables
Yes, $Var(Y)$ is easy, but what about $Var(X)$...?
Jul
2
asked Variance of absolute value sums of random variables
Apr
2
revised Property of a classification error rate
added 76 characters in body
Apr
1
comment A bound for the generalized Variational Distance
@Did, thanks much!