nushell/docs/commands/dfr_arg-unique.md

---
title: dfr arg-unique
layout: command
version: 0.59.0
---

Returns indexes for unique values

## Signature

```> dfr arg-unique ```

## Examples

Returns indexes for unique values
```shell
> [1 2 2 3 3] | dfr to-df | dfr arg-unique
```