Check the pattern of missing values.
Nick
[email protected]
Terra Curtis
> I am running a series of linear regression models using panel data on
> several companies over a period of years. Before the
> regression is run, I
> have 2678 observations (2678 lines of data in the browser).
> When I run the
> first regression, Stata reports number of obs = 819. Why the
> discrepancy?
>
> I am inclined to think it has something to do with the fact
> that I have
> -tsset- my data, but I'm not very familiar with panel data so any
> clarification would be greatly appreciated.
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