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ROLLING_MAX

PDFRSS

Returns in a new column the rolling maximum of values 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.

• targetColumn – A name for the newly created column.

Example

{
    "Action": {
        "Operation": "ROLLING_MAX",
        "Parameters": {
            "numRowsAfter": "10",
            "numRowsBefore": "10",
            "sourceColumn": "weight_kg",
            "targetColumn": "weight_kg_ROLLING_MAX"
        }
    }
}