---
title: "Fill NA"
description: "Local-first visual environment for building and running AI workflows. Build agents visually, deploy anywhere, privacy by design."
canonical: https://docs.nodetool.ai/nodes/nodetool/data/fillna
markdown: https://docs.nodetool.ai/nodes/nodetool/data/fillna.md
product: NodeTool
source: https://github.com/nodetool-ai/nodetool/blob/main/docs/nodes/nodetool/data/fillna.md
---

# Fill NA

**Type:** `nodetool.data.FillNA`

**Namespace:** `nodetool.data`

## Description

Fill missing values in dataframe.
    fillna, missing, impute

    Use cases:
    - Handle missing data
    - Prepare data for analysis
    - Improve data quality

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| dataframe | `dataframe` | The DataFrame with missing values. | `{"type":"dataframe","uri":"","asset_id":null,"d...` |
| value | `any` | Value to use for filling missing values. | `0` |
| method | `str` | Method for filling: value, forward, backward, mean, median | `value` |
| columns | `str` | Comma-separated column names to fill. Leave empty for all columns. | `` |

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| output | `dataframe` |  |

## Related Nodes

Browse other nodes in the [nodetool.data](./) namespace.