User StijnDeVuyst

45 votes

Find expected value using CDF

answered Oct 10, 2017 at 15:09

26 votes

What is the demonstration of the variance of the difference of two dependent variables?

answered Mar 21, 2015 at 14:39

22 votes

What intuitive explanation is there for the central limit theorem?

answered Mar 22, 2015 at 15:02

18 votes

What is your favorite "data analysis" cartoon?

answered Aug 24, 2015 at 20:58

13 votes

How can I calculate $E\left(\prod_{i=1}^{n}\frac{X_i}{X_{(n)}}\right)$ where $X_1,\ldots,X_n$ are i.i.d $U(0,\theta)$?

answered May 25, 2016 at 7:40

11 votes

Accepted

Moment-generating function (MGF) of non-central chi-squared distribution

answered Aug 23, 2015 at 12:25

10 votes

Equilibrium distribution of Markov chain

answered Oct 22, 2020 at 15:31

7 votes

Accepted

Can $x'x$ be written as correlation matrix?

answered Mar 22, 2015 at 15:32

6 votes

If $X_1,X_2$ are independent beta then show $\sqrt{X_1X_2}$ is also beta

answered Mar 23, 2015 at 1:27

6 votes

Accepted

Min and max range from standard deviation

answered Jul 31, 2015 at 12:01

6 votes

Accepted

Moment generating function of a conditional distribution

answered May 30, 2020 at 6:35

5 votes

The expectation of the inverse of a negative binomial random variable?

answered Nov 25, 2020 at 18:52

4 votes

Is a random variable Bernoulli? Is a proof available?

answered Mar 23, 2015 at 1:50

4 votes

Expectation Maximisation Algorithm: E Step

answered Nov 27, 2016 at 12:50

3 votes

Variance of set of subsets

answered Oct 17, 2017 at 11:34

3 votes

$X，Y$ i.i.d. $N(0,\sigma^2)$. What's the probability of $P(X>|2Y|)$?

answered Feb 26, 2018 at 9:08

3 votes

Accepted

Proof: Pivotal Quantity

answered Feb 21, 2016 at 11:11

3 votes

How Variance becomes infinite

answered Apr 7, 2016 at 9:24

3 votes

Accepted

Joint distribution of random vector and a linear combination of it

answered Jan 29, 2020 at 14:34

2 votes

Accepted

The minimizer of $E\left[\left|I\left(V \leq v\right)-a\right|^{\alpha}\right]$

answered May 17, 2021 at 8:33

2 votes

Bit confused on the concept of Deviance

answered May 17, 2021 at 9:41

2 votes

Is there a phrase for to describe $xf(x)$ where $f(\cdot)$ is the probability mass function?

answered Oct 26, 2020 at 22:48

2 votes

Accepted

Distribution of $e$ if $g=\tilde{g}+e$, $g=|f|$, $f \sim \mathcal{N}(0,1)$ and $\tilde{g}$ is the quantization of $g$

answered Feb 12, 2016 at 3:39

2 votes

constant $\times$ distribution

answered Aug 24, 2015 at 16:13

2 votes

Expected value, correlation, and independence

answered Mar 21, 2015 at 17:15

2 votes

Nonhomogeneous Poisson Process Derivation of Survival Function

answered Nov 2, 2017 at 0:19

2 votes

Accepted

A random variable $X$ on $(0,\infty)$ which behaves like Exp for small $x$ and Pareto for large $x$

answered Jan 22, 2018 at 9:36

1 vote

Limiting distribution of scaled sum of squared Poisson RVs

answered Feb 26, 2018 at 16:33

1 vote

Distribution of sum of cubes

answered Oct 18, 2019 at 19:38

1 vote

How can I show that $X_n=e^n I_{\{Y>n\}} \to 0$ in probability?

answered Nov 23, 2019 at 21:01

Stack Exchange Network

49 Answers

Find expected value using CDF

What is the demonstration of the variance of the difference of two dependent variables?

What intuitive explanation is there for the central limit theorem?

What is your favorite "data analysis" cartoon?

How can I calculate $E\left(\prod_{i=1}^{n}\frac{X_i}{X_{(n)}}\right)$ where $X_1,\ldots,X_n$ are i.i.d $U(0,\theta)$?

Moment-generating function (MGF) of non-central chi-squared distribution

Equilibrium distribution of Markov chain

Can $x'x$ be written as correlation matrix?

If $X_1,X_2$ are independent beta then show $\sqrt{X_1X_2}$ is also beta

Min and max range from standard deviation

Moment generating function of a conditional distribution

The expectation of the inverse of a negative binomial random variable?

Is a random variable Bernoulli? Is a proof available?

Expectation Maximisation Algorithm: E Step

Variance of set of subsets

$X，Y$ i.i.d. $N(0,\sigma^2)$. What's the probability of $P(X>|2Y|)$?

Proof: Pivotal Quantity

How Variance becomes infinite

Joint distribution of random vector and a linear combination of it

The minimizer of $E\left[\left|I\left(V \leq v\right)-a\right|^{\alpha}\right]$

Bit confused on the concept of Deviance

Is there a phrase for to describe $xf(x)$ where $f(\cdot)$ is the probability mass function?

Distribution of $e$ if $g=\tilde{g}+e$, $g=|f|$, $f \sim \mathcal{N}(0,1)$ and $\tilde{g}$ is the quantization of $g$

constant $\times$ distribution

Expected value, correlation, and independence

Nonhomogeneous Poisson Process Derivation of Survival Function

A random variable $X$ on $(0,\infty)$ which behaves like Exp for small $x$ and Pareto for large $x$

Limiting distribution of scaled sum of squared Poisson RVs

Distribution of sum of cubes

How can I show that $X_n=e^n I_{\{Y>n\}} \to 0$ in probability?