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20 lines
273 B
Markdown
20 lines
273 B
Markdown
---
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title: dfr is-null
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layout: command
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version: 0.59.0
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---
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Creates mask where value is null
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## Signature
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```> dfr is-null ```
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## Examples
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Create mask where values are null
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```shell
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> let s = ([5 6 0 8] | dfr to-df);
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let res = ($s / $s);
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$res | dfr is-null
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```
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