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I am using the plm package to estimate pooled OLS and fixed effect models. My data set has 130 countries over 33 years with lots of missing values. My model has 9 independent variables. When I estimate my models I get the following output:

Unbalanced Panel: n=34, T=1-6, N=61

Can any body explain this? Does it mean that 61 countries have observations for all 33 years across the 9 independent variables?

I saw the same question asked here: Interpreting plm output in R - number of observations used with very unbalanced panel

Helix123
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user49017
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1 Answers1

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Unbalanced panel simply means you have unequal observations (N) over time period (T) for different units (n, countries in your case).

csqr
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