cumProd function in the Factory
The cumProd function returns the cumulative product of the column, evaluated within groups defined by the group parameter if required.
Parameters Parameter Description column The attribute used to evaluate its cumulative product. Its type must be numeral. The column parameter is mandatory. group It allows you to group the results by a certain attribute’s values. The group parameter can also be a list of attributes. Example The following example uses the Adult dataset. This example isn’t based on a real scenario, it only explains how to use the function. Description Screenshot In this example, we want to retrieve the cumulative product of the education-num attribute. Add a new attribute, then type the following formula: Rulex Platform attributes' memory supports numbers till 5 billion of billions (namely, 5.000.000.000.000.000.000). If the cumProd value exceeds this amount, then negative values or not logical values are returned.cumProd(column, group)cumProd($"education-num")