exp function in the Factory

The exp function returns the exponential of each value of the column.

Parameters

exp(column)

Parameter

Description

column

The attribute used to evaluate the exponential. Its type must be numeral. The column parameter is mandatory.


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 exponential of the Day attribute.

Add a new attribute, then type the following formula: exp($"Day")

As you can see, the column has been filled with the exponential in the corresponding row.

Rulex Platform attributes' memory supports numbers till 5 billion of billions (namely, 5.000.000.000.000.000.000). If the exp value exceeds this amount, then negative values or not logical values are returned.