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30 lines
446 B
Markdown
30 lines
446 B
Markdown
---
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title: dfr rolling
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layout: command
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version: 0.59.0
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---
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Rolling calculation for a series
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## Signature
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```> dfr rolling (type) (window)```
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## Parameters
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- `type`: rolling operation
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- `window`: Window size for rolling
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## Examples
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Rolling sum for a series
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```shell
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> [1 2 3 4 5] | dfr to-df | dfr rolling sum 2 | dfr drop-nulls
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```
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Rolling max for a series
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```shell
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> [1 2 3 4 5] | dfr to-df | dfr rolling max 2 | dfr drop-nulls
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```
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