forked from extern/nushell
37 lines
871 B
Markdown
37 lines
871 B
Markdown
---
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title: dfr aggregate
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layout: command
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version: 0.59.1
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---
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Performs an aggregation operation on a dataframe and groupby object
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## Signature
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```> dfr aggregate (operation_name) --quantile --explicit```
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## Parameters
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- `operation_name`:
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Dataframes: mean, sum, min, max, quantile, median, var, std
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GroupBy: mean, sum, min, max, first, last, nunique, quantile, median, var, std, count
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- `--quantile {number}`: quantile value for quantile operation
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- `--explicit`: returns explicit names for groupby aggregations
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## Examples
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Aggregate sum by grouping by column a and summing on col b
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```shell
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> [[a b]; [one 1] [one 2]] | dfr to-df | dfr group-by a | dfr aggregate sum
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```
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Aggregate sum in dataframe columns
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```shell
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> [[a b]; [4 1] [5 2]] | dfr to-df | dfr aggregate sum
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```
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Aggregate sum in series
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```shell
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> [4 1 5 6] | dfr to-df | dfr aggregate sum
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```
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