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count
This function counts the number of rows in the aggregate group. The count of rows is independent of which column this function is applied to. Each column should return the same number of rows.
Returns: INT64
The count.
Arguments
| Variable | Type | Description |
|---|---|---|
| arg | FLOAT64 / INT64 / TIME64NS / BOOLEAN / STRING / UINT128 | The data on which to apply the function. |
Examples:
df = df.agg(throughput_total=('latency_ms', px.count))
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