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How do you calculate a variance covariance matrix explain with an example?
variance - covariance - how to calculate and its uses
How do you find covariance of two variables?
The covariance between two variables is simply the average product of the values of two variables that have been expressed as deviations from their respective means. ------------------------------------------------------------------------------------------------- A worked example may be referenced at: http://math.info/Statistics/Covariance
When do you use an F test?
When testing the sums of squares of variables which are independently identically distributed as normal variables. One of the main uses of the F-test is for testing for the significance of the Analysis of Variance (ANOVA) or of covariance.
Where can one find information on the covariance matrix?
One can find information on the covariance matrix on the Wikipedia website where there is much information about the mathematics involved. One can also find information on Mathworks.
How 2 calculate a variance covariance matrix?
look in a maths dictionary
