Type: nodetool.data.Aggregate
Namespace: nodetool.data
Description
Aggregate dataframe by one or more columns. aggregate, groupby, group, sum, mean, count, min, max, std, var, median, first, last
Use cases:
- Prepare data for aggregation operations
- Analyze data by categories
- Create summary statistics by groups
Properties
| Property | Type | Description | Default |
|---|---|---|---|
| dataframe | dataframe |
The DataFrame to group. | {"type":"dataframe","uri":"","asset_id":null,"d... |
| columns | str |
Comma-separated column names to group by. | `` |
| aggregation | str |
Aggregation function: sum, mean, count, min, max, std, var, median, first, last | sum |
Outputs
| Output | Type | Description |
|---|---|---|
| output | dataframe |
Related Nodes
Browse other nodes in the nodetool.data namespace.