# filtering

> Complete guide to NeMo Curator's 30+ quality filters.

- Source: https://doutorai.pt/en/components/skills__filtering
- Type: Skills
- Category: AI research
- Downloads: 0
- Site: Doutor AI (https://doutorai.pt/en) - AI tools for small businesses

An open-source community component, curated and adapted by Doutor AI.

## What it does and how to use it

A **skill** that teaches Claude Code to do ai research tasks well. It is packaged knowledge the model uses whenever it is relevant.

1. Install the skill (command above).
2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
3. No commands to memorize: you talk in plain language and the skill does the rest.

## Install (Claude Code)

```bash
mkdir -p .claude/skills/filtering && curl -fsSL https://doutorai.pt/data/lib/skills__filtering.md -o .claude/skills/filtering/SKILL.md
```

Paste this command into the terminal, in your project folder, and the component installs automatically.

## Content

````
# Quality Filtering Guide

Complete guide to NeMo Curator's 30+ quality filters.

## Text-based filters

### Word count

```python
from nemo_curator.filters import WordCountFilter

# Filter by word count
dataset = dataset.filter(WordCountFilter(min_words=50, max_words=100000))
```

### Repeated content

```python
from nemo_curator.filters import RepeatedLinesFilter

# Remove documents with >30% repeated lines
dataset = dataset.filter(RepeatedLinesFilter(max_repeated_line_fraction=0.3))
```

### Symbol ratio

```python
from nemo_curator.filters import SymbolToWordRatioFilter

# Remove documents

- 🔒 Full content on the Pro plan (€7.99/month) -
````

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- [PocketBase Migrations](https://doutorai.pt/en/components/skills__pocketbase-migrations): Schema migrations and versioning for PocketBase. Use when creating migrations, managing schema versions, syncing collections between environ
- [PocketBase SDK](https://doutorai.pt/en/components/skills__pocketbase-sdk): JavaScript SDK usage for PocketBase client applications. Use when calling PocketBase from frontend or Node.js, authenticating users, subscri

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Content by Doutor AI (https://doutorai.pt/en). When quoting, please cite the source: https://doutorai.pt/en/components/skills__filtering