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I already have a series called resid in my workfile and I want to plot it again log(Q) . How do I go about with Sqyared of Residual using the series resid? SOrry for being a pain but I am just trying to get my head around it. I don't want to look annoying just that I can't understand. COuld you plea...

What I am not sure about it now is that if the output is correct after that error that I got. :(

Thanks a lot for your reply it atleast got me till here :)

Could you please help me with my 2nd concern as well? ABout plotting the squared residuals?

log(tc) c log(Q) log(wage) log(capital) log(fuel) I tried this and it came up with an error saying insuffiecnt number of observations and after several attempts it came up with this. Dependent Variable: LOG(TC) Method: Least Squares Date: 05/31/12 Time: 01:00 Sample: 1 145 Included observations: 145...

I am trying to estimate log(TC) = β1 + β2 log(Q) + β3 log(p1) + β4 log(p2) β5 log(p3) +e Where p1 to p3 are factors prices for inputs of a firm being wage, capital and fuel respectively). I am trying to Estimate the equation by the least-squares method but I havnt done log equations before. Any help...