nushell/docs/commands/dfr_is-not-null.md

---
title: dfr is-not-null
layout: command
version: 0.59.1
---

Creates mask where value is not null

## Signature

```> dfr is-not-null ```

## Examples

Create mask where values are not null
```shell
> let s = ([5 6 0 8] | dfr to-df);
    let res = ($s / $s);
    $res | dfr is-not-null
```
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			`---`
			`title: dfr is-not-null`
			`layout: command`
fix typo, update some examples and regenerate docs (#4718) 2022-03-04 12:10:09 +00:00			`version: 0.59.1`
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			`---`

			`Creates mask where value is not null`

			`## Signature`

			```> dfr is-not-null ```

			`## Examples`

			`Create mask where values are not null`
			```shell
			`> let s = ([5 6 0 8] \| dfr to-df);`
			`let res = ($s / $s);`
			`$res \| dfr is-not-null`
			```