docs-v2/content/flux/v0.x/stdlib/sampledata/numericbool.md

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---
title: sampledata.numericBool() function
description: >
`sampledata.numericBool` returns a sample data set with numeric boolean values (`[0,1]`).
menu:
flux_0_x_ref:
name: sampledata.numericBool
parent: sampledata
weight: 101
flux/v0.x/tags: [inputs, sample data]
---
`sampledata.numericBool` returns a sample data set with numeric boolean values (`[0,1]`).
```js
import "sampledata"
sampledata.numericBool(includeNull: false)
```
## Parameters
### includeNull {data-type="bool"}
Include _null_ values in the returned dataset.
Default is `false`.
## Examples
- [Return sample data with numeric boolean values](#return-sample-data-with-numeric-boolean-values)
- [Return numeric boolean sample data with null values](#return-numeric-boolean-sample-data-with-null-values)
### Return sample data with numeric boolean values
##### Function
```js
import "sampledata"
sampledata.numericBool()
```
##### Output tables
{{% flux/sample "numericBool" %}}
### Return numeric boolean sample data with null values
##### Function
```js
import "sampledata"
sampledata.numericBool(includeNull: true)
```
##### Output tables
{{% flux/sample "numericBool" true %}}