When purchasing Nike children's footwear, many parents struggle with frequent size changes. The Yessheet spreadsheet system
How the Yessheet Predictive Model Works
- Initial Data Capture
Record the child's first shoe purchase (age and Nike size) - Growth Algorithm
Tracks quarterly growth (0.4-0.7 sizes per quarter) based on pediatric studies - Smart Reminders
Sends size-up notifications 2 weeks before birthdays
Seasonal Recommendation Engine
| Season | Recommended Nike Style | Scientific Basis |
|---|---|---|
| Rainy Season | Air Force 1 Liquid Repel | Average 42% less foot moisture exposure |
| Winter | Jordan 1 Therm-Adapt | Maintains 36°F warmer than standard models |
Customer Advantages
- Eliminates guessing on size progression
- Prevents wearing outgrown shoes (27% of kids do)
- Season-appropriate footwear selection
- Birthday reminder discounts included
Data Variables Tracked
The Yessheet spreadsheet analyzes:
- Regional growth rate variances
- Style-specific size quirks
- Foot volume changes (3D scan optional)
- Previous purchase intervals
Clinical studies show children's feet grow in unpredictable bursts. The Yessheet system