nushell/docs/commands/dfr_arg-unique.md

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---
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
```