Data Tools

Data Outlier Detection

Identify and analyze outliers using statistical methods like Z-score, IQR, and modified Z-score

Input data (JSON array)
Annotated data
Output will appear here...
Example input
[
  { "id": 1, "product": "Widget A", "price": 25.99, "sales": 150 },
  { "id": 2, "product": "Widget B", "price": 999.99, "sales": 5 },
  { "id": 3, "product": "Widget C", "price": 49.99, "sales": 89 }
]
  • Z-Score: values beyond N standard deviations from the mean
  • IQR: values outside N times the interquartile range
  • Modified Z-Score: robust median/MAD variant