<ul>The recoding functions are:
<li>Add If - opens a window to add decoding for each variable</li>
<li>Edit - displays a window for edited decoding of each variable</li> 
<li>Remove - removes or completely deletes the decoding of an individual variable</li> 
<li>Enabled - currently enables or disables the decoding of an individual variable</li> 
<li>Visible - sets the variable visible or invisible in the questionnaire</li> 
</ul>