Data Tools

Data Regression Analysis

Analyze and predict relationships between variables using linear and polynomial regression

Input data (JSON array)
Regression results (JSON)
Output will appear here...
Example input
[
  { "year": 2018, "sales": 100000, "marketing": 50000, "profit": 25000 },
  { "year": 2019, "sales": 150000, "marketing": 75000, "profit": 45000 },
  { "year": 2020, "sales": 200000, "marketing": 100000, "profit": 70000 }
]
  • Linear: y = mx + b
  • Polynomial: higher-order curve fit
  • R² closer to 1 indicates a stronger fit