tail function in the Factory
The tail function returns the last n letters of the corresponding value in the column.
Parameters If you are using continuous attributes, check the Flow Execution Parameters. Parameter Description column The nominal attribute containing the strings. If it is not nominal, it will be casted to nominal upon function’s computation. The column parameter is mandatory. nchar Number of characters we want to select at the end of the string. It can be either a specified value or an integer attribute. The nchar parameter is mandatory. Example The following example uses the Bike sales dataset. Description Screenshot In this example, we want to retrieve the tail of the values of the Year attribute. Select the Year attribute and type the following formula: As Year is an integer attribute, the function casted it to nominal.tail(column, nchar)tail($"Year",2)