# otp.agg.mean (alias for otp.agg.average)

### mean(\*args, \*\*kwargs)

Implement average aggregation.

### Examples

```pycon
>>> data = otp.Ticks(X=[1, 2, 3, 4])
>>> data = data.agg({'RESULT': otp.agg.mean('X')})
>>> otp.run(data)
        Time  RESULT
0 2003-12-04     2.5
```

#### SEE ALSO
[`average()`](average.md#onetick.py.agg.average)
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**AVERAGE** OneTick event processor
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