By Okparaji Wisdom | Data Scientist | Nigeria

Retailers in Nigeria lose millions of naira every year to two problems: stockouts (shelves go empty, customers leave) and overstock (too much inventory, capital tied up, goods expire). Both are avoidable with data.

So I built DemandForecast AI — a machine learning–powered app that predicts weekly product demand up to 26 weeks ahead, across 20 products in 4 retail categories.

In this article I'll walk you through exactly how I built it, the technical decisions I made, and what I learned.

What the App Does