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Feb
13
reviewed No Action Needed Where is the maximum bias and variance in a histogram as non-parametric density estimator?
Feb
13
reviewed No Action Needed If $p:E\to X$ is a covering map ($X$ connected and locally arcwise connected) then is $E$ locally connected?
Feb
13
reviewed No Action Needed Proof with Dirac delta function
Feb
12
reviewed No Action Needed For an element, Prove there exist finitely many polynomials in a set Y such that u is a 0 of them iff u is a 0 of all polynomials in Y
Feb
12
reviewed No Action Needed Find a vector parametric equation $\vec r(t)$ for the line through the points $P\equiv(1,0,−4)$ and$ Q\equiv(3,−3,1)$
Feb
12
reviewed No Action Needed Mixed partial derivative product rule
Feb
11
comment The function given by the Rao-Blackwell theorem is a statistic
No, $\mathbb E_\theta[V_n|T_n=t]=\sum_{\lbrace x:T_n(x)=t\rbrace}\mathbb P_\theta(X=x|T_n=t)V_n(x)$ follows by definition of expectation. We sum over all possibilities of $x$ given $T_n=t$. It is not true in general that $\mathbb E_\theta[V_n|T_n=t]=\sum_{\lbrace x:T_n(x)=t\rbrace}\mathbb P_\theta(V_n=V_n(x)|T_n=t)V_n(x)$
Feb
11
reviewed No Action Needed Solution techniques for optimization problems
Feb
11
reviewed No Action Needed Probability no two pairs are grouped together twice in a row?
Feb
8
reviewed No Action Needed Probability theory - Combinatorics
Feb
7
answered The function given by the Rao-Blackwell theorem is a statistic
Feb
4
reviewed No Action Needed Given a vector $v = [a, b, c] $ which lies in the plane defined by $dx + ey + fz + g = 0,$ does the equation $ad + be + cf = 0$ hold?
Feb
4
reviewed No Action Needed What is a proper way to solve this inequation?
Feb
1
answered Proving the minimality of an element order
Jan
31
reviewed No Action Needed Determine a time signal from another time signal
Jan
31
reviewed No Action Needed Gradients of marginal likelihood of Gaussian Process with squared exponential covariance, for learning hyper-parameters
Jan
31
reviewed No Action Needed Evaluate 2D integral (by change of variable)
Jan
31
reviewed No Action Needed Expected number of red balls removed from an urn before the first black ball
Jan
29
reviewed No Action Needed Logical equivalence + Quantifiers (Universal and Existential)
Jan
29
reviewed No Action Needed Prove that for all $m$, there exist some $k$, such that $(m-n)^2 > m^2$ for all $n>k$