First, you must create a variable to measure the number of available services that each customer uses.

step From the Data Editor menus, choose:

Transform
 Count...

step Type services as the target variable and # available services as the target label.

step Select Multiple lines through Electronic billing as the counted variables.

step Click Define Values.

step Type 1 as the value.

step Click Add.

step Click Continue.

step Click OK in the Count Occurrences of Values within Cases dialog box.

Another important measure of customer activity is the average dollar amount of services used per month.

step To create this variable, from the Data Editor menus choose:

Transform
 Compute...

step Type monthly as the target variable.

step Click Type&Label.

step Type Average monthly expense as the variable label.

step Click Continue.

step Type, or copy and paste from the browser window, (longten + tollten + equipten + cardten + wireten) / tenure into the Numeric Expression area.

step Click OK.