tail function
The tail function returns the last n letters of the corresponding value in the column.
Parameters
tail(column, nchar)
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. |  |