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Dec
4
answered Signal processing : future values prediction
Nov
19
comment Inequality for conditional expectation
Amazing answer, thank you! This is a very nice explanation why conditional independence implies the inequality. I leave the question open because the other interesting case is what happens if $X$ and $Y,\Theta$ are not conditionally independent, in which case there should also be conditions where the inequality holds.
Nov
15
reviewed Approve Newton method for interpolation of polynomials
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reviewed Approve High school Math: Finding the Median
Oct
12
reviewed Approve Prove $|X+Y| \le |X| + |Y|$
Oct
5
reviewed Reject definition of a sufficient statistic
Sep
29
reviewed Reject Well defined mappings in the rationals
Sep
29
reviewed Approve Consider the sets $X=\{0, 3, -1\}, Y=\{3, 7, 9\}, Z=\{\text{black}, \text{white}\}$.
Sep
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reviewed Approve Lower bound on smallest eigenvalue of (symmetric positive-definite) matrix
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Sep
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comment Inequality for conditional expectation
I mean if the conditional cdf $F(\theta|X=x,Y=y)$ dominates the conditional distribution $F(\theta|X=x,Y=y')$ for any $y'>y$, then the conditional expectations of $g(\theta)$ will differ for $Y=y$ and $Y=y'$ for any strictly increasing $g(.)$.
Sep
27
reviewed Approve Wiener Process definition - Continuous paths?
Sep
27
reviewed Reject Closed form for a recursive equation that include the ceiling function
Sep
26
reviewed Approve Area between $y = \sqrt{x}$ and $y = 4 - 0.5x$
Sep
25
answered How to graph a rational reaction set?
Sep
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reviewed Approve Quick question on orthogonal subspaces.
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reviewed Approve Laura hire in apple?
Sep
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asked Inequality for conditional expectation