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Macros

Last Updated: Dec 05, 2016 06:36PM EST
Macros simplify writing complicated expressions with repetitive sub-expressions. Consider for example, that several questions in the questionnaire are applicable to one group of persons, such as women of child-bearing age (let’s say 15-44 years old, exact numbers are of no particular importance here). Suppose the variable for age is age, and for gender is sex with values 1 corresponding to males, and 2 to females. Then the following macro can be defined:
 
$c=(age.InRange(15,44) && (sex==2)


It can be subsequently used in the enabling conditions for each question directed at the women of childbearing age simply as $c, which will be substituted with the content of the macro as defined above. Note that macro definitions may not refer to other macros. 



To create a macro

  1. Click on the "$m" tab on the left hand menu. 

  2. Click on the ADD NEW Macroslink.

  3. Define the macro name, content, and (optionally) a description for the macro.

  4. Click save. 

  5. To refer to the macro created previously in a chosen section, sub-section, question, or roster, type “$” followed by the macro name in the enabling condition field. In this example, type “$c”.
 


To modify a syntax in a Macro

  1. Click on the “$m” tab on the left hand menu.
  2. Locate the macro and click on any field in the macro specification to make all the necessary revisions. 
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