← Back to articles Case Study

Retail Demand Forecasting Revamp

Improving forecast accuracy and stock availability with a modern data pipeline and model monitoring.

Project: Multi-Channel Retail Forecasting
Tech: Python, Prophet, BigQuery, Looker
Completed: Placeholder — Month YYYY

The Results

Refreshing the forecasting pipeline improved planning confidence and reduced stock-outs.

Placeholder +XX%
Forecast accuracy improvement
Placeholder -XX%
Reduction in stock-out events
Placeholder +XX%
Inventory turns increase

Placeholder note: Metrics are illustrative and will be updated with confirmed results.

The Challenge

The existing model relied on stale data and manual overrides, leading to inconsistent inventory decisions across regions and channels.

Key Constraints

Late data feeds, missing promotions metadata, and limited visibility into model drift.

The Solution

We rebuilt the pipeline to incorporate real-time sales, promotions, and external signals while introducing monitoring for forecast stability.

Implementation Highlights

Data Pipeline Rebuild

Unified feeds from POS, ecommerce, and promotions to create a single forecasting dataset.

Model Refresh

Adopted a forecasting framework with automated retraining and seasonality controls.

Monitoring & Alerts

Added drift checks and alerting to surface anomalies before they impacted stock levels.

Python Prophet BigQuery Looker

Operational Impact

Merchandising teams shifted from reactive ordering to proactive demand planning, with clear visibility into forecast confidence.

Before

Manual
Weekly overrides

After

Automated
Model-guided planning

Key Takeaways

Better Inputs = Better Forecasts

Incorporating promotions and ecommerce signals delivered more reliable seasonality patterns.

Monitoring Protects Trust

Model drift alerts helped planning teams intervene before forecasts caused stock issues.

Ready to Upgrade Your Forecasting?

I work with retail teams to modernize forecasting, inventory, and planning workflows.

Get in Touch