log function in the Factory
The log function returns the natural logarithm of each row of the column.
Parameters log(column) Parameter Description column The attribute used to evaluate the natural logarithm. Its type must be numeral. Example The following example uses the Bike Sales 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 logarithm of the Customer_Age attribute. Add a new attribute, then type the following formula: As you can see, the attribute has been filled with the logarithm of the Customer_Age attribute’s values.
log($"Customer_Age")