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Thread: Least squares technique

  1. #1
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    Least squares technique

    can anyone derive estimates of the $\displaystyle \beta$'s in the following models?

    1. Yi = $\displaystyle \beta$0 +$\displaystyle \beta$1(xi + 5) + $\displaystyle \epsilon$i
    2. Yi = $\displaystyle \beta$1xi + $\displaystyle \epsilon$i
    3. Yi = $\displaystyle \beta$0 +$\displaystyle \epsilon$i
    4. Yi = $\displaystyle \beta$0 + $\displaystyle \beta$1xi +$\displaystyle \beta$2wi + $\displaystyle \epsilon$i

    where i = 1....n

    i literally have no idea where im meant to start on this one?
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  2. #2
    Junior Member
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    Here is the simplest possible explanation of the Least Square method. Other than that I would urge you to continue querying the forum.

    Example Method of Least Squares

    Best regards,
    wirefree
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