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Everything about Multivariate random variable

Random variable with multiple component dimensions

In probability and statistics, a multivariate random variable or random vector is a list or vector of mathematical variables each of whose value is unknown, either because the value has not yet occurred or because there is imperfect knowledge of its value. The individual variables in a random vector are grouped together because they are all part of a single mathematical system — often they represent different properties of an individual statistical unit. For example, while a given person has a specific age, height and weight, the representation of these features of an unspecified person from within a group would be a random vector. Normally each element of a random vector is a real number. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Multivariate random variableA 5-minute orientation
  2. Skim a recent paper: Applications of random forest in multivariable response surface for short-term load forecastingInfluential work since 2022
  3. Pick up a classic book: Statistical ComputingThe most-reprinted book on the subject
  4. Read the landmark paper: Bounds on the Expectation of a Convex Function of a Multivariate Random VariableCited 108 times
  5. Go sideways: Cross-covariance matrixA closely related topic
  6. Go sideways: Covariance matrixA closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

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