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ROLLING_KTH_LARGEST_UNIQUE

PDFRSS

Returns in a new column the rolling unique 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_UNIQUE",
      "Parameters": {
        "sourceColumn": "games_played",
        "numRowsBefore": "3",
        "numRowsAfter": "3",
        "value": "5",
        "targetColumn": "weight_kg_ROLLING_KTH_LARGEST_UNIQUE"
      }
    }
  }