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Ogarit/README.md

👋 Hi, I’m Tiago Marques Lima

📊 Data Analyst focused on Business Insights, Automation and BI 🎓 Background in Information Systems 💡 I transform data into actionable insights using Python, SQL and Power BI

🚀 About Me

  • 📈 Experience in data analysis and process automation, reducing report generation time by up to 50% using Python
  • 📊 Development of interactive Power BI dashboards to monitor KPIs and support decision-making
  • 🧩 Strong background in Exploratory Data Analysis (EDA), data cleaning and data modeling
  • 🧠 Applied experience with customer segmentation (RFM analysis) and business-oriented analytics projects
  • 🔄 Familiar with ETL processes, SQL queries and data pipelines

I enjoy working close to the business to turn raw data into insights that drive better decisions.

📌 Featured Projects

➡️ Check my main projects focused on Sales, Marketing and Customer Analytics 📁 Repositories include:

  • Sales Transactions Analysis
  • Marketing ROI Analysis
  • Customer Segmentation (RFM)

🛠️ Core Skills

🔹 Data Analysis & BI

  • Data Analysis & EDA
  • Business Insights & KPIs
  • Power BI & Dashboards
  • Data Visualization

🔹 Programming & Data

  • Python (Pandas, NumPy)
  • SQL
  • Data Wrangling & Data Cleaning
  • Automation & Reporting

🔹 Complementary

  • ETL & Data Pipelines
  • Applied Machine Learning (Regression, Clustering)
  • Web Scraping

🌱 Currently Learning

  • Improving advanced SQL and Power BI modeling
  • Exploring Machine Learning applications for analytics use cases

⚠️ Note: Advanced AI, Mojo and HPC are personal study topics and not my main professional focus.

🎮 Interests

  • 🎯 Game data analysis and pattern exploration
  • 📚 Fiction, manga and geek culture
  • 🧠 Logical and mathematical challenges

🌐 Connect with Me

LinkedIn Gmail

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  1. analise_transacoes_comerciais analise_transacoes_comerciais Public

    Análise de dados aplicada a transações comerciais para geração de insights estratégicos e apoio à tomada de decisão / Data analysis applied to commercial transactions to generate strategic insights…

    Jupyter Notebook 2

  2. Analise_do_Setor_de_Marketing-Empresa_Ficticia Analise_do_Setor_de_Marketing-Empresa_Ficticia Public

    Análise de dados aplicada à tomada de decisão em marketing, transformando investimentos em insights estratégicos orientados a resultados. / Data analysis applied to marketing decision-making, trans…

    Jupyter Notebook 1

  3. Analise_Exploratoria_RFM_Transacoes_Comerciais Analise_Exploratoria_RFM_Transacoes_Comerciais Public

    Análise e limpeza de dados de transações comerciais para garantir a confiabilidade da base e apoiar decisões estratégicas de vendas e fidelização. / Commercial transaction data analysis and cleanin…

    Jupyter Notebook 1

  4. Clusteriza-o_e_Analise_de_Dados_de_um_E-Commerce Clusteriza-o_e_Analise_de_Dados_de_um_E-Commerce Public

    Projeto de clusterização de dados de e-commerce utilizando K-Means e DBSCAN para segmentar clientes e produtos.

    Jupyter Notebook 1

  5. ETL_LLM_MODELS_SCD2025 ETL_LLM_MODELS_SCD2025 Public

    Demonstração de ETL, consumo de API e aplicação de IA generativa utilizando Ollama./Demonstration of ETL, API consumption, and application of generative AI using Ollama.

    Jupyter Notebook

  6. Xbox-Revenue-and-Subscriber-Behavior-Analytics-with-Interactive-Dashboard Xbox-Revenue-and-Subscriber-Behavior-Analytics-with-Interactive-Dashboard Public

    Dashboard analítico para dados de assinaturas Xbox, focado em receita, planos, upsell e renovação automática, apoiando decisões gerenciais./Analytical dashboard for Xbox subscription data, focusing…