---
title: lowestMin() function
description: The `lowestMin()` function selects the minimum record from each table in the input stream and returns the lowest `n` records.
aliases:
  - /influxdb/v2.0/reference/flux/functions/transformations/selectors/lowestmin
  - /influxdb/v2.0/reference/flux/functions/built-in/transformations/selectors/lowestmin/
  - /influxdb/v2.0/reference/flux/stdlib/built-in/transformations/selectors/lowestmin/
  - /influxdb/cloud/reference/flux/stdlib/built-in/transformations/selectors/lowestmin/
menu:
  flux_0_x_ref:
    name: lowestMin
    parent: universe
weight: 102
flux/v0.x/tags: [selectors, transformations]
introduced: 0.7.0
---

The `lowestMin()` function selects the minimum record from each table in the input stream and returns the lowest `n` records.
The function outputs a single aggregated table containing `n` records.
_`lowestMin()` is a [selector function](/flux/v0.x/function-types/#selectors)._

```js
lowestMin(
    n:10,
    column: "_value",
    groupColumns: [],
)
```

{{% warn %}}
#### Empty tables
`lowestMin()` drops empty tables.
{{% /warn %}}

## Parameters

### n {data-type="int"}
Number of records to return.

### column {data-type="string"}
Column by which to sort.
Default is `"_value"`.

### groupColumns {data-type="array of strings"}
The columns on which to group before performing the aggregation.
Default is `[]`.

### tables {data-type="stream of tables"}
Input data.
Default is piped-forward data ([`<-`](/flux/v0.x/spec/expressions/#pipe-expressions)).

## Examples
{{% flux/sample-example-intro %}}

```js
import "sampledata"

sampledata.int()
    |> lowestMin(n: 2, groupColumns: ["tag"])
```

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##### Input data
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##### Output data
| _time                | tag | _value |
| :------------------- | :-- | -----: |
| 2021-01-01T00:00:20Z | t2  |     -3 |
| 2021-01-01T00:00:00Z | t1  |     -2 |

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