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moreblue
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"I couldn't reduce it to the freshman level. That means we don't really understand it," Richard Feynman

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question
17
Is the median preserved for any strictly monotonic mapping?
Jan 20, 2023
question
8
$\mathbb{E}(\log(X_{max}/X_{min}) )$ of Weibull(alpha, 1)
Jul 16, 2018
question
8
Proving that logistic regression on $I(X>c)$ by $X$ itself recovers decision boundary $c$ when $X$ is normal
May 21, 2020
question
7
Estimate $\lambda$ in the fitting line $x^\lambda$, where $x \in [0, 1]$
Mar 7, 2019
question
7
Does having the same order statistics imply the same distribution?
Nov 22, 2018
question
6
Hessian of the softmax function
Aug 3
question
6
Does exponential waiting time for an event imply that the event is Poisson-process?
Oct 29, 2018
question
5
Finding MLE of the common $\mu$ from normal samples with two unknown variances
Oct 9, 2018
question
5
Closed form of the integral of the difference of two Gaussian CDFs?
Jan 25, 2020
question
5
Derivation of the distribution of $\hat{\phi}=[\hat{\phi}_1, \cdots, \hat{\phi}_p]$ in AR(p) models
May 22, 2019
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7
How can we identify a set is infinite when proving Bolzano–Weierstrass theorem?
6
Proof that a strictly decreasing sequence of nested intervals boils down to a single point.
6
Show $\{-n + 1/n \ : n \in \mathbb{N}\}$ is a closed set
5
Is it true that $\forall \epsilon>0, \exists \text{ infinitely many } n \in \mathbb{N}, s.t. |\sin(n) - 1| < \epsilon$?
5
Proof that CDF is continuous for continuous random variables.