Data Science Case Studies
Fifteen real projects spanning predictive machine learning, Power BI dashboards, NLP systems, and Nigerian market analysis. Each case study includes methodology, results, and what I'd do differently.
Hire Freelance Power BI Developer: AECOM (NYSE: ACM) Financial Dashboard Case Study
Hire freelance Power BI developer Adediran Adeyemi for custom financial dashboards, DAX consulting & BI soluti
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Conversion Journey Analysis: Case Study and Methodology
Conversion journey analysis case study: 9,935 sessions mapped to identify drop-off points and boost subscripti
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Hire Freelance NLP Engineer: Multi-Label Review Classifier (93.7% F1)
Hire freelance NLP engineer Adediran Adeyemi for customer feedback analysis, text classification & sentiment m
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Hire Freelance Power BI Consultant: Customer Survey & Churn Analysis Case Study
Hire freelance Power BI consultant Adediran Adeyemi for customer satisfaction survey analysis, churn driver mo
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Hire Freelance E-Commerce Data Scientist: Product Returns Analysis & Revenue Recovery
Hire freelance e-commerce data scientist Adediran Adeyemi for product returns analysis, revenue recovery model
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Predicting Purchase Likelihood from Browsing Behavior
ML lead scoring model with 99% accuracy predicting purchase likelihood from browsing behavior. SMOTE, Random O
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What 8,165 Reviews Reveal About M-KOPA's Biggest Trust Risk
A full-scope Python and Power BI case study analysing 8,165 M-KOPA Google Play Store reviews across 78 intents
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Predicting Used Car Prices in the Nigerian Market
LightGBM model predicting Nigerian used car prices with 83% R² accuracy. Sentence embeddings from 9,835 Autoch
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Predicting NYC Property Prices with 80% Accuracy
LightGBM model predicting NYC property prices from 18,177 Zillow listings. 80% R² accuracy with street-level f
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Osun State Budget 2025, Where Does the Money Go?
A data-driven analysis of Osun State's 2025 budget performance across Q1-Q3. Revenue sources, capital vs recur
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Financial Research Across 402 Companies in Seconds
Production RAG application answering financial questions across 402 S&P MidCap companies, 50M+ tokens. LangCha
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Diagnosing a 90% Revenue Decline with Retail Performance Metrics
Retail performance metrics case study: how tracking key retail industry metrics uncovered an 85% customer rete
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Chicken Republic's Lagos Expansion Is Not Random, Here's the Strategy
Geospatial analysis of 54 Chicken Republic Lagos locations. Reveals infrastructure, demographic & competitive
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Why Do Only 1 in 5 Trial Companies Convert?
A full-scope Python data science case study analysing trial-to-paid conversion across 966 B2B SaaS organisatio
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Bidirectional Yoruba-English Neural Translation
Production neural machine translation system for Yoruba-English bidirectional translation. Fine-tuned AfriTeVa
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