Question

The Pearson correlation coefficient ρ(x, y) of two random variables x and y with var(x) = var(y)

score 612 · Answer 1 · 2019-11-09 08:35:58

612

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The Pearson correlation coefficient ρ(x, y) of two random variables x and y with var(x) = var(y)

Published on 09 Nov 2019 - 8:35

score 914 · Answer 2 · 2026-03-27 00:04:47

914

Views

How to calculate entropy from a set of correlated samples?

Published on 27 Mar 2026 - 0:04

score 608 · Answer 3 · 2019-11-10 21:07:17

608

Views

correlation between positive and negative part of a Random Variable

Published on 10 Nov 2019 - 21:07

score 101 · Answer 4 · 2026-03-26 22:12:48

101

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Deriving $R^2$ from $R$

Published on 26 Mar 2026 - 22:12

score 48 · Answer 5 · 2019-11-14 13:56:42

48

Views

Dependence of random variables.

Published on 14 Nov 2019 - 13:56

score 56 · Answer 6 · 2019-11-14 23:20:07

56

Views

If the coefficient of determination is a measure based on variance, then what about standard deviation instead?

Published on 14 Nov 2019 - 23:20

score 857 · Answer 7 · 2019-11-18 09:58:08

857

Views

If $X \sim U[-1,1]$, show that $X$ and $X^2$ are uncorrelated but not independent

Published on 18 Nov 2019 - 9:58

score 50 · Answer 8 · 2019-11-21 00:52:04

50

Views

Possible values of Correlation Coefficient.

Published on 21 Nov 2019 - 0:52

score 25 · Answer 9 · 2019-11-24 23:03:00

25

Views

Variance of a Sum of $n$ Variables

Published on 24 Nov 2019 - 23:03

score 79 · Answer 10 · 2019-11-26 13:46:50

What is the correlation between the value of a random variable and the average value of a sum of random variables (of which the variable is one)?

score 64 · Answer 11 · 2019-11-28 00:47:58

64

Views

Number of correlations to make before a large correlation is dubious?

Published on 28 Nov 2019 - 0:47

score 45 · Answer 12 · 2019-11-28 12:28:28

45

Views

There is a known Pearson Correlation between $X$ and $Y$, and there is a perfect rank correlation between $Y$ and $Z$, what is cor(X,Z)?

Published on 28 Nov 2019 - 12:28

score 104 · Answer 13 · 2026-03-25 06:08:51

104

Views

Calculating correlation given a joint cumulative distribution function

Published on 25 Mar 2026 - 6:08

score 187 · Answer 14 · 2026-03-26 14:21:10

187

Views

How many $\mathbb R^n$ vectors are needed to guarantee a large correlation between at least a pair of them - an open problem in mathematics?

Published on 26 Mar 2026 - 14:21

score 429 · Answer 15 · 2019-11-30 08:31:47

429

Views

Representation of random variable as vectors

Published on 30 Nov 2019 - 8:31

List Question

The Pearson correlation coefficient ρ(x, y) of two random variables x and y with var(x) = var(y)

How to calculate entropy from a set of correlated samples?

correlation between positive and negative part of a Random Variable

Deriving $R^2$ from $R$

Dependence of random variables.

If the coefficient of determination is a measure based on variance, then what about standard deviation instead?

If $X \sim U[-1,1]$, show that $X$ and $X^2$ are uncorrelated but not independent

Possible values of Correlation Coefficient.

Variance of a Sum of $n$ Variables

What is the correlation between the value of a random variable and the average value of a sum of random variables (of which the variable is one)?

Number of correlations to make before a large correlation is dubious?

There is a known Pearson Correlation between $X$ and $Y$, and there is a perfect rank correlation between $Y$ and $Z$, what is cor(X,Z)?

Calculating correlation given a joint cumulative distribution function

How many $\mathbb R^n$ vectors are needed to guarantee a large correlation between at least a pair of them - an open problem in mathematics?

Representation of random variable as vectors

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