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Inferring Covariance / Correlation

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#probability #normal-distribution #variance #covariance
124
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Eigenvalues when we have a root of a matrix

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#matrices #eigenvalues-eigenvectors #covariance
76
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Covariance matrix in multivariate standard normal density

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#probability #statistics #variance #covariance
367
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Covariance of two mixed binomial distributions with geometric distribution

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#probability-distributions #binomial-distribution #covariance
171
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Determining the convergence and correlation coefficient between two random variables which are sums of other random variables

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#probability #variance #covariance
334
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$(X,Y)$ on a triangle

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#probability #integration #probability-distributions #uniform-distribution #covariance
75
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Shortest mahalanobis distance for point on ray

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#covariance #mahalanobis-distance
2k
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What is meant by "dot product between random variables?"

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#statistics #random-variables #inner-products #covariance #correlation
48
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Does $E[x_i\mid y_i] = 0 \implies \operatorname{cov}(x_i, y_i) = 0$?

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#probability #conditional-expectation #expected-value #covariance
79
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Bivariate normal distribution and law of $Z$

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#probability #probability-distributions #linear-transformations #normal-distribution #covariance
1.1k
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What is the Covariance of Two Bernoulli Random Variables coming from the same sample, under design-based approach?

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#statistics #random-variables #expected-value #covariance #sampling
43
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What is $\text{Cov}(X/Y, Y)$?

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#covariance #ratio
137
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Reason for division by standard deviations in proof of showing correlation coefficient is $1$.

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#probability #statistics #expected-value #covariance #correlation
557
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Bounds of the correlation between 2 random variables given their correlations with a third variable?

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#probability #statistics #random-variables #covariance #correlation
36
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Tricky Covariance

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#probability #covariance

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