List questions from correlation

Published on 06 Jun 2016 - 8:59

46

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coefficient of determination: absence of cross products

Published on 06 Jun 2016 - 9:09

1.4k

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How to simulate a delta-correlated random process

Published on 10 Jun 2016 - 2:21

83

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Show that $E(\mathrm{var}(Y|X)) \leq (1 - \mathrm{corr}(X,Y)^2) \mathrm{var}(Y)$

Published on 11 Jun 2016 - 17:00

1.3k

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Is a correlation matrix with positive determinant PSD?

Published on 28 Mar 2026 - 11:42

66

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Can I ignore multicolinearity problem if all the regression coefficients are highly significant?

Published on 26 Mar 2026 - 12:06

168

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Given the correlation matrix, estimate the value of a random variable based on the value of other random variables.

Published on 24 Jun 2016 - 5:35

1.8k

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Variance of the sum of correlated variables

Published on 27 Jun 2016 - 14:22

232

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The relation of correlation coefficient of the sum of two vectors.

Published on 30 Jun 2016 - 2:40

160

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Variance of sum of linear combination

Published on 30 Jun 2016 - 15:43

130

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How can this double summation be solved?

Published on 03 Jul 2016 - 21:56

1.1k

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How to correlate the timestamps of 2 systems?

Published on 03 Apr 2013 - 19:11

416

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Covariance$(X,Y) \geq 0$ if $X,Y \geq 0$?

Published on 07 Apr 2013 - 12:42

165

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special matrix in terms of its covariance matrix

Published on 25 Mar 2026 - 12:51

380

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Is the relation of having positive covariance well behaved with respect to taking the inverse?

Published on 15 Apr 2013 - 11:08

List Question

What is a deviation vector?

coefficient of determination: absence of cross products

How to simulate a delta-correlated random process

Show that $E(\mathrm{var}(Y|X)) \leq (1 - \mathrm{corr}(X,Y)^2) \mathrm{var}(Y)$

Is a correlation matrix with positive determinant PSD?

Can I ignore multicolinearity problem if all the regression coefficients are highly significant?

Given the correlation matrix, estimate the value of a random variable based on the value of other random variables.

Variance of the sum of correlated variables

The relation of correlation coefficient of the sum of two vectors.

Variance of sum of linear combination

How can this double summation be solved?

How to correlate the timestamps of 2 systems?

Covariance$(X,Y) \geq 0$ if $X,Y \geq 0$?

special matrix in terms of its covariance matrix

Is the relation of having positive covariance well behaved with respect to taking the inverse?

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