Covariance as inner product2019 Community Moderator ElectionExtrapolating GLM coefficients for year a product was sold into future years?Identity covariance matrix, decorrelated data?Handling covariance matrices of changing sizeNeural networks: which cost function to use?Advance Methods of Understanding Significance of Customer BehaviorsA statistic for testing if $mu$ which is known to be in subspace $H$, is also in subspace $H_0subseteq H$How do I convert an L2 norm to a probability?Fast way of computing covariance matrix of nonstationary kernel in Python
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Covariance as inner product
2019 Community Moderator ElectionExtrapolating GLM coefficients for year a product was sold into future years?Identity covariance matrix, decorrelated data?Handling covariance matrices of changing sizeNeural networks: which cost function to use?Advance Methods of Understanding Significance of Customer BehaviorsA statistic for testing if $mu$ which is known to be in subspace $H$, is also in subspace $H_0subseteq H$How do I convert an L2 norm to a probability?Fast way of computing covariance matrix of nonstationary kernel in Python
$begingroup$
Why is covariance considered as inner product if there is no projection of one vector onto another?
Right now I perceive this as just a multiplication of $x$ segment of vector($x_i - barx$) and $y$ segment($y_i - bary$) of the same vector in order to understand direction of relationship.
statistics data-analysis
edited 13 hours ago
Stephen Rauch
1,52551330
asked 13 hours ago
user641597user641597
233
$endgroup$
add a comment |
$begingroup$
Why is covariance considered as inner product if there is no projection of one vector onto another?
Right now I perceive this as just a multiplication of $x$ segment of vector($x_i - barx$) and $y$ segment($y_i - bary$) of the same vector in order to understand direction of relationship.
statistics data-analysis
edited 13 hours ago
Stephen Rauch
1,52551330
asked 13 hours ago
user641597user641597
233
$endgroup$
add a comment |
$begingroup$
Why is covariance considered as inner product if there is no projection of one vector onto another?
Right now I perceive this as just a multiplication of $x$ segment of vector($x_i - barx$) and $y$ segment($y_i - bary$) of the same vector in order to understand direction of relationship.
statistics data-analysis
edited 13 hours ago
Stephen Rauch
1,52551330
asked 13 hours ago
user641597user641597
233
$endgroup$
Why is covariance considered as inner product if there is no projection of one vector onto another?
Right now I perceive this as just a multiplication of $x$ segment of vector($x_i - barx$) and $y$ segment($y_i - bary$) of the same vector in order to understand direction of relationship.
statistics data-analysis
statistics data-analysis
edited 13 hours ago
Stephen Rauch
1,52551330
asked 13 hours ago
user641597user641597
233
edited 13 hours ago
Stephen Rauch
1,52551330
asked 13 hours ago
user641597user641597
233
edited 13 hours ago
Stephen Rauch
1,52551330
edited 13 hours ago
Stephen Rauch
1,52551330
edited 13 hours ago
Stephen Rauch
1,52551330
1,52551330
asked 13 hours ago
user641597user641597
233
asked 13 hours ago
user641597user641597
233
asked 13 hours ago
user641597user641597
233
233
add a comment |
add a comment |
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