Dr. N.S. Gandhi Prasad <[EMAIL PROTECTED]> wrote in message
013501bff62b$f871d6e0$[EMAIL PROTECTED]">news:013501bff62b$f871d6e0$[EMAIL PROTECTED]...
>I have fitted a power function
>
>Y = a (X1^b1)*(x2^b2)*(X3^b3)
>
>by transfroming Y as well as Xs in to LOGs and followed
>least Squares procedure. However, the estimate of 'a' is
>found to be negative. Can we accept the results? What
Not possible. Perhaps your estimate of *log(a)* is
negative? This simply implies that your (median)
estimate of a is less than 1.
>meaning can be attached to 'a'. Here Y is output and Xs
>are input variables
Where?
Glen
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