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Market Basket Analysis Dashboard

This dashboard suite applies association rule mining to grocery transaction data to uncover which products customers buy together and how strongly those relationships hold. Spanning two connected report pages — Market Basket Analysis and Product Association Deep Dive, it analyses 119 products across roughly 29K item purchases to surface frequently paired products, basket-size patterns, and statistically validated product relationships using Support, Confidence, and Lift metrics. The result is a data-backed foundation for cross-sell recommendations, product placement, and bundling strategy.

Market Basket Analysis Dashboard

Market Basket Product Association

Technologies

Power BI, DAX (Data Analysis Expressions), Power Query (M Language), Association Rule Mining, Market Basket Analytics

Industry

Retail & Grocery / E-commerce (Transaction-Level Basket Data)

Tools/Libraries

Power BI Desktop, Power Query Editor, DAX Studio, Excel/CSV transaction data sources, Power BI Service for publishing and sharing

Igniting Powerful Insights

  • The Challenge Transaction data existed only as raw item-level purchase records, with no visibility into which products were actually bought together or how reliable those pairings were. The business had no way to distinguish a genuinely strong product association from pure coincidence, making cross-sell and shelf-placement decisions largely guesswork.
  • The Process Raw transactions were cleaned and restructured in Power Query into item-pair combinations, then modelled to calculate Support %, Confidence (both directions), and Lift for every product pair. These core association measures were built once in DAX and reused across both report pages, so a "strong pair" on one page means exactly the same thing on the other.
  • Complexity and Innovation Beyond simple co-occurrence counts, the model layers in bidirectional Confidence scoring, a Support-vs-Lift scatter to separate popular pairs from truly associated ones, and a Pair Quality Filter Funnel that progressively narrows 100% of all pairs down to the 0.8% that clear Co-occurrence, Confidence, and Lift thresholds simultaneously isolating only the highest-quality, actionable pairs.
  • Adaptive Learning for Enhanced Accuracy Thresholds for "Strong," "Moderate," and "Weak/No Association" categories were tuned iteratively against the Lift distribution, and basket-size segmentation (Single, Small, Medium, Large, Jumbo) was added to check whether associations held consistently across different basket sizes refining which pairs were flagged as genuinely reliable versus incidental.

A pair of products showing up together often isn't the same as those products being genuinely associated, Lift is what tells you whether you're looking at a real pattern or just popularity.

Tamanna Thakur
Data Analyst

Feature Inventory

Enhancing Accuracy in Product Association & Basket Composition Tracking

The dashboard suite combines transaction-level basket metrics with pairwise association statistics into one governed model, so every relationship — from a simple co-occurrence count to a directional Confidence score — is calculated consistently and can be trusted for merchandising decisions.

  • Real-time basket KPI cards for Total Products, Avg Basket Size, Total Item Purchases, and Strong Pairs Count
  • Top-paired-products ranking with co-occurrence counts and Support % by product
  • Support-vs-Lift scatter analysis to separate frequently bought pairs from statistically meaningful ones
  • Bidirectional Confidence scoring (A→B and B→A) for every top product relationship
  • Association Strength Distribution splitting all pairs into Strong, Moderate, and Weak/No Association categories
  • Pair Quality Filter Funnel tracking pairs through Co-occurrence, Confidence, and Lift thresholds down to the final validated set
Feature Inventory
Conclusion

Transforming Merchandising Decisions

What started as raw transaction logs has become a rigorous, statistically grounded view of how products relate to one another, one that's ready to power real-time recommendations, not just retrospective reports.

  • Converts raw transaction data into validated, statistically ranked product associations
  • Separates genuinely strong product relationships from coincidental co-purchases using Support, Confidence, and Lift
  • Turns basket-size and pairing patterns into actionable merchandising and bundling strategy