Retail
Inventory Optimization & Demand Forecasting
Predictive inventory management system reducing stockouts and overstock situations
- Excel
- Power BI
- Python
About this project
Industry
Retail – Multi-location Consumer Goods
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Organization Overview
A mid-to-large retail enterprise operating over 50 stores across multiple regions.
The company manages a wide portfolio of fast-moving consumer products with varying demand patterns and supplier lead times.
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Business Challenges
• Excess inventory accumulation in low-demand locations
• Frequent stock-outs during peak demand periods
• High inventory carrying and warehousing costs
• Limited visibility into store-level inventory health
• Reactive replenishment planning
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Business Objectives
• Improve demand forecasting accuracy
• Optimize inventory levels across locations
• Reduce inventory holding costs
• Maintain high product availability
• Enable data-driven replenishment decisions
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Problem Statement
How can historical sales, inventory, promotions, seasonality, and supplier data be leveraged to predict demand accurately and optimize inventory across all stores?
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Data Model Overview
The solution is built using a star schema architecture.
Fact Tables
• Sales transactions
• Inventory snapshots
• Promotional activity
Dimension Tables
• Product master
• Store master
• Calendar
• Supplier details
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Key Performance Indicators
• Demand volume and trends
• Inventory turnover ratio
• Stock-out rate
• Excess inventory percentage
• Product availability rate
• Forecast accuracy metrics
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Analytical Approach
Demand Analysis
• Product-level demand distribution
• Store and region-wise sales performance
Tools: SQL, Power BI
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Trend & Seasonality Analysis
• Monthly and quarterly demand patterns
• Festival and peak-period impact
Tools: Power BI, Python
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Promotion Effectiveness
• Incremental demand during promotions
• Comparison of promotion types
Tools: SQL, Power BI
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Inventory Optimization
• Identification of overstocked and understocked products
• Inventory turnover evaluation
Tools: SQL, Power BI (DAX)
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Stock-out Analysis
• Stock-out frequency by product and store
• Lost sales identification
Tools: SQL, Power BI
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Demand Forecasting
• Short-term demand forecasting (30/60/90 days)
• Accuracy measurement
Tools: Python (Time Series Models)
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Business Impact
• Inventory carrying cost reduced by 30%
• Product availability improved to 97%
• Improved forecasting accuracy enabling proactive planning
• Better visibility for management through dashboards
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