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Need help to locate my mistake

Louise Hoffman 
What if I need to calculate the variance for the fuel data?

Are there a 'R' way to do that?

I have derived
variance = (Y-x*theta)^T * (Y - x*theta) / (n-p)

Thread (7 messages)

Louise Hoffman Need help to locate my mistake Mar 2 Rolf Turner Need help to locate my mistake Mar 2 (Ted Harding) Need help to locate my mistake Mar 2 Louise Hoffman Need help to locate my mistake Mar 2 Louise Hoffman Need help to locate my mistake Mar 2 Louise Hoffman Need help to locate my mistake Mar 2 Rolf Turner Need help to locate my mistake Mar 2