Data Imputation

Input Data (JSON Array)

Imputation Configuration

Example Input

[
  {
    "age": 25,
    "income": 50000,
    "education": "bachelor",
    "satisfaction": null
  },
  {
    "age": 35,
    "income": null,
    "education": "master",
    "satisfaction": 8
  },
  {
    "age": 45,
    "income": 75000,
    "education": null,
    "satisfaction": 7
  }
]

Imputation Methods:

  • Mean: Replace missing values with the average (numeric fields)
  • Median: Replace missing values with the middle value (numeric fields)
  • Mode: Replace missing values with the most common value (categorical fields)
  • K-Nearest Neighbors: Use similar records to estimate missing values
  • Linear Regression: Predict missing values using other fields (numeric fields)