User Guide

191
Modifying Data
Values
A new variable has been added to the end of the data file. This variable, which
we named avgsale, is in the far right column in Data View. Any cases that have
missing val
ues in either of the two variables that we computed also have a missing
value for the avgsale variable.
Figure 9-12
Data Editor
with avgsale added
The second way to compute the mean of a set of variables is to use the mean function.
E Recall the Compute Variable dialog box.
E Click Reset to clear the previous selections in this dialog box.
E Type meansale in the Target Variable text box.