Calculate Transform

The formula transform extends data objects with new fields (columns) according to anexpression.

// Any View Specification{  ...  "transform": [    {"calculate": ..., "as" ...} // Calculate Transform     ...  ],  ...}

Calculate Transform Definition

Property	Type	Description
calculate	String	*Required.* Aexpression string. Use the variable`datum` to refer to the current data object.
as	String	*Required.* The field for storing the computed formula value.

This example usescalculate to derive a new field, and thenfilters the data based on the new field.