---
title: dfr drop-nulls
layout: command
version: 0.59.1
---

Drops null values in dataframe

## Signature

```> dfr drop-nulls (subset)```

## Parameters

 -  `subset`: subset of columns to drop nulls

## Examples

drop null values in dataframe
```shell
> let df = ([[a b]; [1 2] [3 0] [1 2]] | dfr to-df);
    let res = ($df.b / $df.b);
    let a = ($df | dfr with-column $res --name res);
    $a | dfr drop-nulls
```

drop null values in dataframe
```shell
> let s = ([1 2 0 0 3 4] | dfr to-df);
    ($s / $s) | dfr drop-nulls
```