Selecting data within the series - EV8

[startz]

You said,

No, the values for Austria vary over the years 1980-2012. As for other countries.

Turns out that's wrong. Take a look at lognuclear

[H_Boss]

That's because Austria doesn't have nuclear energy.
So I can't have similar values?

[H_Boss]

I tried it with Belgium. Same result... "Near singular matrix".

[startz]

You might want to step back a bit and think about what you're asking the regression to do for you. How did you expect an estimate of the effect of nuclear energy for a country that doesn't have any? You near singular matrix mb drive too
are likely do to similar issues