Answer by whuber for Covariance of Non-Random Vectors Equal to Zero
"Covariance" is used in many distinct senses. It can bea property of a bivariate population,a property of a bivariate distribution,a property of a paired dataset, oran estimator of (1) or (2) based on...
View ArticleAnswer by Felipe Gerard for Covariance of Non-Random Vectors Equal to Zero
You have a misconception. Using the cov function on a pair of vectors computes the sample covariance of the two vectors. That is, it is assuming X and Y are vectors of observations of two...
View ArticleAnswer by StatsStudent for Covariance of Non-Random Vectors Equal to Zero
Simply put a non-random vector has component elements that are constant -- they do not change by definition. Since they do not change, there is no variability in their values. Hence their variances are...
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Covariance of Non-Random Vectors Equal to Zero
BACKGROUND: This is probably an extremely simple question to answer, but it's one of the downsides of being self-taught to get ensnarled in unexpected difficulties with basic stuff. This question stems...
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