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<!DOCTYPE html>
<html lang="pt-BR">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>RAGAS-Project — Guia do Projeto</title>
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</head>
<body>
<header>
<div>
<div style="display:flex;gap:10px;margin-bottom:12px;">
<span class="badge">RAG</span>
<span class="badge" style="background:var(--accent2)">RAGAS</span>
<span class="badge" style="background:var(--accent3)">Golden Dataset</span>
</div>
<h1>RAGAS-PROJECT-EVAL-RAG<br><span>RAG + RAGAS</span></h1>
<p class="subtitle">Gere datasets de avaliação automaticamente e meça a qualidade do seu sistema RAG</p>
</div>
</header>
<main>
<!-- Fluxo Geral -->
<div class="section-label">Fluxo completo</div>
<h2>Como o projeto funciona</h2>
<div class="flow">
<div class="flow-step">
<div class="flow-icon">📄</div>
<div class="flow-title">Documentos</div>
<div class="flow-sub">TXT / PDF</div>
</div>
<div class="flow-step">
<div class="flow-icon">✂️</div>
<div class="flow-title">Chunking</div>
<div class="flow-sub">chunk_size=500</div>
</div>
<div class="flow-step">
<div class="flow-icon">🔢</div>
<div class="flow-title">Embeddings</div>
<div class="flow-sub">ChromaDB</div>
</div>
<div class="flow-step" style="background: rgba(124,58,237,0.08);">
<div class="flow-icon">🧪</div>
<div class="flow-title">Golden Dataset</div>
<div class="flow-sub">RAGAS gera Q+GT</div>
</div>
<div class="flow-step" style="background: rgba(6,182,212,0.08);">
<div class="flow-icon">📊</div>
<div class="flow-title">Avaliação</div>
<div class="flow-sub">5 métricas RAGAS</div>
</div>
</div>
<hr>
<!-- Arquivos -->
<div class="section-label">Estrutura</div>
<h2>Arquivos do projeto</h2>
<div class="files-grid">
<div class="file-card">
<div class="file-header">
<span class="file-icon">🔧</span>
<div>
<div class="file-name">rag_pipeline.py</div>
<div class="file-path">src/rag_pipeline.py</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Pipeline RAG completo. Carrega documentos, cria chunks, gera embeddings no ChromaDB e responde perguntas via LLM.</p>
<span class="file-tag">RAGPipeline</span>
<span class="file-tag">.build()</span>
<span class="file-tag">.query()</span>
<span class="file-tag">.query_batch()</span>
</div>
</div>
<div class="file-card">
<div class="file-header">
<span class="file-icon">🧪</span>
<div>
<div class="file-name">golden_dataset.py</div>
<div class="file-path">src/golden_dataset.py</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Usa o TestsetGenerator do RAGAS para criar perguntas e ground truth automaticamente a partir dos seus documentos.</p>
<span class="file-tag">simple</span>
<span class="file-tag">reasoning</span>
<span class="file-tag">multi_context</span>
</div>
</div>
<div class="file-card">
<div class="file-header">
<span class="file-icon">📐</span>
<div>
<div class="file-name">evaluate.py</div>
<div class="file-path">src/evaluate.py</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Roda o RAG em cada pergunta do golden dataset e calcula as 5 métricas RAGAS. Salva CSV com scores por pergunta.</p>
<span class="file-tag">faithfulness</span>
<span class="file-tag">correctness</span>
<span class="file-tag">relevance</span>
</div>
</div>
<div class="file-card">
<div class="file-header">
<span class="file-icon">📓</span>
<div>
<div class="file-name">walkthrough.ipynb</div>
<div class="file-path">notebooks/walkthrough.ipynb</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Notebook interativo com todo o fluxo passo a passo. Ideal para explorar e entender cada etapa individualmente.</p>
<span class="file-tag">interativo</span>
<span class="file-tag">passo a passo</span>
</div>
</div>
<div class="file-card">
<div class="file-header">
<span class="file-icon">📄</span>
<div>
<div class="file-name">historia_ia.txt</div>
<div class="file-path">data/sample_docs/</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Documento de exemplo sobre história da IA. Substitua por seus próprios PDFs e textos para testar com seus dados.</p>
<span class="file-tag">exemplo</span>
<span class="file-tag">substitua aqui</span>
</div>
</div>
<div class="file-card">
<div class="file-header">
<span class="file-icon">📊</span>
<div>
<div class="file-name">evaluation_scores.csv</div>
<div class="file-path">outputs/ (gerado)</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Resultado final: scores de cada métrica por pergunta. Gerado automaticamente após rodar evaluate.py.</p>
<span class="file-tag">gerado automaticamente</span>
</div>
</div>
<div class="file-card" style="border-color: rgba(6,182,212,0.4);">
<div class="file-header">
<span class="file-icon">🌐</span>
<div>
<div class="file-name">resultados.html</div>
<div class="file-path">raiz do projeto</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Visualizador interativo dos resultados. Arraste o CSV ou carrega automaticamente via GitHub Pages.</p>
<span class="file-tag">drag & drop</span>
<span class="file-tag">gráficos</span>
<span class="file-tag">GitHub Pages</span>
</div>
</div>
<div class="file-card" style="border-color: rgba(16,185,129,0.4);">
<div class="file-header">
<span class="file-icon">📝</span>
<div>
<div class="file-name">relatorio.md</div>
<div class="file-path">data/sample_docs/</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Relatório técnico: bibliotecas, downgrade do RAGAS, configuração e resultados obtidos.</p>
<span class="file-tag">bibliotecas</span>
<span class="file-tag">downgrade</span>
<span class="file-tag">OpenAI</span>
</div>
</div>
<div class="file-card" style="border-color: rgba(16,185,129,0.4);">
<div class="file-header">
<span class="file-icon">📝</span>
<div>
<div class="file-name">relatorio-interpretacao-resultados.md</div>
<div class="file-path">data/sample_docs/</div>
</div>
</div>
<div class="file-body">
<p class="file-desc">Interpretação didática dos scores, padrões diagnósticos e recomendações de tamanho de dataset segundo Chip Huyen.</p>
<span class="file-tag">interpretação</span>
<span class="file-tag">diagnóstico</span>
<span class="file-tag">Chip Huyen</span>
</div>
</div>
</div>
<hr>
<!-- Métricas -->
<div class="section-label">Avaliação</div>
<h2>As 5 Métricas RAGAS</h2>
<div class="metrics-grid">
<div class="metric-card faith">
<div class="metric-name">Faithfulness</div>
<div class="metric-formula">Answer <span class="arrow">↔</span> Context</div>
<div class="metric-desc">O LLM usou o contexto recuperado para gerar a resposta? Alto = sim. Baixo = inventou.</div>
</div>
<div class="metric-card correct">
<div class="metric-name">Answer Correctness</div>
<div class="metric-formula">Answer <span class="arrow">↔</span> Ground Truth</div>
<div class="metric-desc">A resposta está factualmente correta em relação ao ground truth esperado?</div>
</div>
<div class="metric-card rel">
<div class="metric-name">Answer Relevance</div>
<div class="metric-formula">Answer <span class="arrow">↔</span> Question</div>
<div class="metric-desc">A resposta gerada é relevante e diretamente relacionada à pergunta feita?</div>
</div>
<div class="metric-card prec">
<div class="metric-name">Context Precision</div>
<div class="metric-formula">Context <span class="arrow">↔</span> Q + GT</div>
<div class="metric-desc">O sistema de retrieval recuperou chunks realmente úteis, sem ruído?</div>
</div>
<div class="metric-card recall">
<div class="metric-name">Context Recall</div>
<div class="metric-formula">Context <span class="arrow">↔</span> Ground Truth</div>
<div class="metric-desc">O contexto recuperado contém toda a informação necessária para responder?</div>
</div>
</div>
<div class="insight">
<div class="insight-icon">⚠️</div>
<div>
<div class="insight-title">Duas APIs são necessárias neste projeto</div>
<div class="insight-text">
<strong>Anthropic (Claude)</strong> é usado para tudo: gerar respostas no pipeline RAG, gerar as perguntas do golden dataset e avaliar as métricas de qualidade.<br><br>
<strong>OpenAI</strong> é usado <em>involuntariamente</em> — o RAGAS 0.1.21 chama <code style="background:rgba(255,255,255,0.08);padding:1px 5px;border-radius:3px;">OpenAIEmbeddings</code> internamente ao calcular a métrica <strong>Answer Relevancy</strong>. Esse comportamento está hardcoded na biblioteca e não é configurável. O custo por execução é inferior a <strong>$0,01</strong>.
</div>
</div>
</div>
<hr>
<!-- Como rodar -->
<div class="section-label">Início rápido</div>
<h2>Como executar</h2>
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<div class="step-num">1</div>
<div class="step-content">
<div class="step-title">Instalar dependências</div>
<div class="step-cmd">pip install -r requirements.txt</div>
<div class="step-note">Python 3.10+ recomendado</div>
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<div class="step">
<div class="step-num">2</div>
<div class="step-content">
<div class="step-title">Configurar as chaves de API</div>
<div class="step-cmd">cp .env.example .env</div>
<div class="step-note" style="margin-top:8px;">Edite o <code style="background:rgba(255,255,255,0.08);padding:1px 5px;border-radius:3px;font-size:11px;">.env</code> e preencha as duas chaves:</div>
<div class="step-cmd" style="margin-top:6px;">ANTHROPIC_API_KEY=sk-ant-...
OPENAI_API_KEY=sk-... # usado internamente pelo RAGAS</div>
</div>
</div>
<div class="step">
<div class="step-num">3</div>
<div class="step-content">
<div class="step-title">Adicionar seus documentos (opcional)</div>
<div class="step-cmd">cp meus_docs/*.txt data/sample_docs/</div>
<div class="step-note">O projeto já inclui um documento de exemplo sobre história da IA</div>
</div>
</div>
<div class="step">
<div class="step-num">4</div>
<div class="step-content">
<div class="step-title">Gerar o Golden Dataset</div>
<div class="step-cmd">python src/golden_dataset.py</div>
<div class="step-note">Gera outputs/golden_dataset.csv com perguntas + ground truth</div>
</div>
</div>
<div class="step">
<div class="step-num">5</div>
<div class="step-content">
<div class="step-title">Avaliar o sistema RAG</div>
<div class="step-cmd">python src/evaluate.py</div>
<div class="step-note">Gera outputs/evaluation_scores.csv com os 5 scores RAGAS</div>
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