ROLLING_KTH_LARGEST - AWS Glue DataBrew

ROLLING_KTH_LARGEST

Returns in a new column the rolling kth largest value from a specified number of rows before to a specified number of rows after the current row in the specified column.

Parameters

  • sourceColumn – The name of an existing column.

  • numRowsBefore – A number of rows before the current source row, representing the start of the window.

  • numRowsAfter – A number of rows after the current source row, representing the end of the window.

  • value – The value for k.

  • targetColumn – A name for the newly created column.

Example

  {
    "Action": {
      "Operation": "ROLLING_KTH_LARGEST",
      "Parameters": {
        "sourceColumn": "weight_kg",
        "numRowsBefore": "5",
        "numRowsAfter": "5",
        "value": "3"
        "targetColumn": "weight_kg_ROLLING_KTH_LARGEST"
      }
    }
  }