# Transform table aggregation

Takes as input a transform table and returns an aggregation on a numeric or date/time column.

The available aggregations are:

* Sum
* Average
* Standard deviation
* Maximum
* Minimum
* Relative difference
* Difference
* Product
* Count
* First point
* Last point

## Input type

Transform table

## Output type

Number

## Usage information

| Functionality | Availability |
| --- | --- |
| [Standard Quiver card](../core-concepts/index.md#cards) | Supported |
| [Transform table transform](../cards-transform-table/index.md) | Unsupported |