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Kogbaraburabari/README.md

Hi, I'm Burabari Kogbara 👋

Junior Data Analyst | SQL • Python • Excel • Power BI

I turn raw, messy data into clear, decision-ready insights from cleaning 541K+ row datasets in Python to building a 14-table relational data model and 5-page Power BI report analyzing $262M in logistics revenue.

🧰 Tools & Languages

🧠 Core Techniques

Data Cleaning & Validation Data Health Analysis Exploratory Data Analysis Relational Data Modeling DAX Measures Query Optimization Business Insight Reporting

📌 Featured Projects

🗄️ SQL Projects SQL fundamentals through advanced querying across 3 real-world datasets aggregation, self-joins, subqueries, window functions (RANK, ROW_NUMBER), and query optimization with EXPLAIN/indexing.

🐍 Python Projects Cleaning and analyzing a 541K-row e-commerce transactions dataset and Netflix's full content catalog using pandas missing data handling, outlier checks, and 10+ visualizations.

📊 Excel & Power BI Projects Progression from spreadsheet-level cleaning to a full BI capstone: a 14-table relational data model, custom DAX measures, and a 5-page interactive report analyzing $262M in logistics revenue across fleet, driver, and safety operations.

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  1. Kogbaraburabari Kogbaraburabari Public

    My GitHub profile README ✨

  2. SQLProjects SQLProjects Public

    SQL queries and analysis projects covering joins, aggregations, and window functions

  3. PythonProjects PythonProjects Public

    Data cleaning and exploratory data analysis using Python and pandas

    Jupyter Notebook

  4. Excel-PowerBI-Projects Excel-PowerBI-Projects Public

    Data cleaning, analysis, and dashboards built in Excel and Power BI