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| var | var2 | val1 | val2 | var3 |
|---|---|---|---|---|
| A | AA | 1 | 2 | 1 |
| B | BB | 3 | 4 | 3 |
| A | BB | 1 | 2 | 1 |
| B | BB | 3 | 4 | 3 |
| A | BB | 1 | 2 | 1 |
| B | CC | 3 | 4 | 3 |
| A | CC | 1 | 2 | 1 |
| B | BB | 3 | 4 | 3 |
| C | CC | 5 | 1 | 3 |
| var | var2 | val1 | val2 | calc_average |
|---|---|---|---|---|
| A | AA | 1 | 2 | 1 |
| B | BB | 3 | 4 | 3 |
| A | BB | 1 | 2 | 1 |
| B | BB | 3 | 4 | 3 |
| A | BB | 1 | 2 | 1 |
| B | CC | 3 | 4 | 3 |
| A | CC | 1 | 2 | 1 |
| B | BB | 3 | 4 | 3 |
| C | CC | 5 | 1 | 3 |