Question

Given variance covariance matrix for log parameters, find standard deviation of parameters

score 31 · Answer 1 · 2020-03-27 14:22:45

31

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Given variance covariance matrix for log parameters, find standard deviation of parameters

Published on 27 Mar 2020 - 14:22

score 57 · Answer 2 · 2020-03-28 11:03:23

57

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Why isn't my variance calculation right?

Published on 28 Mar 2020 - 11:03

score 319 · Answer 3 · 2026-03-28 00:48:11

319

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score 266 · Answer 4 · 2020-03-28 16:09:41

266

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score 162 · Answer 5 · 2020-03-31 17:16:24

162

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$\operatorname{Var}(\sum_{i=1}^nX_i)\leq n\sum_{i=1}^n \operatorname{Var}(X_i)$, where "$X_i$"s are not necessarily independent

Published on 31 Mar 2020 - 17:16

score 36 · Answer 6 · 2020-04-01 08:13:21

36

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Can the variance exist without sample space and probability measure function?

Published on 01 Apr 2020 - 8:13

score 1.3k · Answer 7 · 2020-04-01 09:14:15

1.3k

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Can I work out the variance in batches?

Published on 01 Apr 2020 - 9:14

score 40 · Answer 8 · 2020-04-04 20:43:27

40

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Compute sums of variances

Published on 04 Apr 2020 - 20:43

score 127 · Answer 9 · 2026-03-27 11:47:52

127

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score 66 · Answer 10 · 2020-04-06 08:16:45

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score 113 · Answer 11 · 2020-04-06 11:50:54

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score 82 · Answer 12 · 2026-03-27 14:58:46

82

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Published on 27 Mar 2026 - 14:58

score 74 · Answer 13 · 2020-04-07 14:32:28

74

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How does $\sum^n_{i=1}\sum^n_{j=1}x_ix_j\mathrm{Cov}\left(Z_i,Z_j\right)$ equal to $\mathrm{Cov}\left(\sum^n_{i=1}x_iZ_i, \sum^n_{j=1}x_jZ_j\right)$?

Published on 07 Apr 2020 - 14:32

score 353 · Answer 14 · 2020-04-09 17:41:27

353

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Expected Value and Variance of Marble Combinations

Published on 09 Apr 2020 - 17:41

score 35 · Answer 15 · 2020-04-10 01:34:17

35

Views

Are these two events independent and if they are, do they have the same probability?

Published on 10 Apr 2020 - 1:34

List Question

Given variance covariance matrix for log parameters, find standard deviation of parameters

Why isn't my variance calculation right?

Variance of empirical mean squared error of binomial distribution

Expected Value, Variance, and Covariance of Card Game

$\operatorname{Var}(\sum_{i=1}^nX_i)\leq n\sum_{i=1}^n \operatorname{Var}(X_i)$, where "$X_i$"s are not necessarily independent

Can the variance exist without sample space and probability measure function?

Can I work out the variance in batches?

Compute sums of variances

Linear Regression: Deriving the variance and probability distribution of $B_0$ the intercept estimator

Understanding the Difference of Variance Formulas

Variance of the Variance of Bernoulli RV

Variance of the difference of truncated Normals

How does $\sum^n_{i=1}\sum^n_{j=1}x_ix_j\mathrm{Cov}\left(Z_i,Z_j\right)$ equal to $\mathrm{Cov}\left(\sum^n_{i=1}x_iZ_i, \sum^n_{j=1}x_jZ_j\right)$?

Expected Value and Variance of Marble Combinations

Are these two events independent and if they are, do they have the same probability?

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