analytics-portfolio

用户增长数据分析作品集：指标体系、异常归因、A/B 实验、新用户留存与首月价值决策。

End-to-end Data Analyst portfolio featuring 5 projects across SaaS, A/B testing, ecommerce, marketplace, and customer journey analytics. Showcases SQL, Python, Power BI, Tableau, Excel, data cleaning, ETL, statistical testing, KPI validation, and actionable business insights.

End-to-end data analytics project analyzing 120+ marketing campaigns across Google, Facebook, Instagram, LinkedIn, Email & YouTube. Includes data cleaning, EDA, ROI analysis, conversion funnel analysis, and an interactive web dashboard (Chart.js) deployed on GitHub Pages.

SMB merchant churn risk segmentation + Opportunity Score prioritization using SQL, Excel, Tableau

Personal portfolio website of Ajibola Ayomide Odeyemi, an Active Data and Business Analyst. Showcasing commercial analytics, BI dashboards, and data pipelines.

Personal data analytics portfolio featuring Python, Excel, and Power BI projects.

Anonymized BI and operational analytics case studies covering sales performance, business health, and daily operations reporting.

End-to-end Product Analytics portfolio using SQL, Python, Excel, and BI. Features 6 real-world-style projects covering funnels, SaaS, user journeys, retention, revenue, Salesforce, experimentation, product insights, and business decision-making.

End-to-end SQL analysis of 12,266 restaurant transactions to identify high-performing menu items, revenue concentration, bulk ordering behavior, and strategic growth opportunities.

End-to-end supply-chain analytics control tower: SKU-level demand forecasting, safety stock & reorder optimization (OR-Tools), OTIF and vendor scorecards. Built with Airflow, dbt, DuckDB, and Streamlit.

Exploratory data analysis of a fictional tech business using PostgreSQL, focusing on revenue performance, customer segmentation, seasonality, churn, and pricing anomalies.

A structured exploratory data analysis project examining Netflix content distribution, genre trends, release patterns, and content growth using Python for data cleaning, visualization, and insight generation.

End-to-end Power BI analytics project completed as part of a college assessment, analysing a fictional UK furniture retailer.

End-to-end Power BI analytics project completed as part of a college data analytics course. The project analyses student performance and engagement for a fictional college, using structured data modelling, DAX measures, and interactive dashboards to surface trends, risks, and actionable insights for academic decision-making.

Tableau dashboard portfolio covering data visualization, KPI tracking, business insights, and interactive analytics.

An end-to-end Business Intelligence project using Microsoft Excel to clean, validate, analyze, and visualize retail sales data from the Superstore dataset, delivering actionable insights through dashboards, KPI reporting, and profitability analysis.

Tableau dashboard exploring global happiness trends through geographic mapping, time-series analysis, filtering, and correlation analysis.

End-to-end analysis of Amazon UK product data using SQL, Power BI, and advanced analytics to support category performance, pricing strategy, and risk identification.

A portfolio of data analytics and business intelligence projects using Python, Power BI, and business-focused data analysis workflows.

End-to-end analytics case study: 14 messy source files cleaned in Python, modelled into a PostgreSQL star schema, answered in SQL, and delivered as a Streamlit dashboard, director memo and board deck.