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JaynneLino/README.md

Hi, I'm Jaynne Lino! 👋

Data Analyst | MSc in Agronomy

Passionate about transforming complex data into actionable insights. With a background in Agronomy and a Master's degree, I bridge the gap between technical data analysis and real-world business (and environmental) impact.

  • 📊 Current Focus: Data Science, Power BI Dashboards, and SQL.
  • 🧪 Tech Stack: Python (Pandas, Scikit-learn), SQL, Power BI (DAX), Excel/Power Query.
  • 🛠️ Experience: Data cleaning, ETL, Clustering (RFM), and Predictive Modeling.
  • 🇵🇹 Based in: Porto, Portugal.

Skills & Tools

Python SQL Server Power BI Pandas

🌟 Featured Projects

📊 Customer Segmentation & Clustering (RFM)

  • Problem: Identifying customer behavior and seasonal purchase cycles in a real retail dataset.
  • Tools: Python (Pandas, Scikit-learn), K-Means, PCA, RapidFuzz.
  • Outcome: Segmented customers into 5 strategic personas (VIP, Occasional, etc.) and identified key sales peaks like Valentine's Day.

🛍️ E-commerce Analytics Dashboard

  • Goal: End-to-end Power BI report with Star Schema modeling and ABC/RFM analysis.
  • Tools: Power BI (DAX), Power Query, Data Modeling.
  • Outcome: Strategic insights for logistics (delivery times) and inventory optimization (ABC Curve).

⚽ Football Contract Analysis (SQL Server)

  • Goal: Relational modeling for sports management and advanced T-SQL querying.
  • Highlights: Complex Joins and Nested Subqueries for business intelligence.

🏥 Medical Management System

  • Goal: Simulating a clinic management system using Object-Oriented Programming (OOP).
  • Tools: Python (Classes, Methods, File I/O).
  • Outcome: Appointment scheduling with time-conflict validation and daily reporting.

🏦 Banking System Simulation

  • Goal: Functional CLI banking application with Admin and Client interfaces.
  • Tools: Python Logic, Data Validation, Statistics.
  • Outcome: Secure transaction processing and automated financial reporting.

📫 Connect with me: LinkedIn

Pinned Loading

  1. data-analytics-portfolio data-analytics-portfolio Public

    End-to-End E-commerce Analytics Report. Features Star Schema modeling, ABC Curve analysis, RFM customer segmentation, and strategic logistics/sales insights. Final project for the Data Analyst Prog…

  2. customer-clustering-rfm-analysis customer-clustering-rfm-analysis Public

    Customer segmentation using RFM (Recency, Frequency, Monetary) and Seasonality analysis with Python and K-Means.

    Jupyter Notebook

  3. medical-management-system-poo medical-management-system-poo Public

    Medical clinic management system developed in Python using Object-Oriented Programming (OOP). Features appointment scheduling, conflict validation, and data export.

    Python 1

  4. bank-system-python bank-system-python Public

    Bank management system in Python featuring Admin/Client interfaces, transaction security, and automated financial reporting.

    Python

  5. wine-chemical-analysis-R wine-chemical-analysis-R Public

    Enological data science project using R. Chemical characterization of wine cultivars through Clustering (K-Means), Decision Trees (C5.0), and Random Forest. Focus on predictive modeling and variabl…

    R

  6. sql-football-contracts-analysis sql-football-contracts-analysis Public

    Relational database modeling and advanced T-SQL analytics for football contracts, including Joins, Subqueries, and Aggregate Functions.

    TSQL