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Expression Manager big 'if' list

  • redbeard
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5 years 9 months ago #170864 by redbeard
Expression Manager big 'if' list was created by redbeard
Hi,

Thank you for taking the time to take a look at my question.

I have a question which asks users to pick a choice from a drop down list with 21 answers.
Depending on the answer, I want to give a score between 1 and 3. (score to be saved in DB)


I think it's possible to do this with a long 'if' statement, something like this (I have only put in the first 2 of 21 answers here):
Code:
{if(Q8 == 'AGRICULTURE, FORESTRY AND FISHING', '1', if(Q8 == 'MINING AND QUARRYING', '2', '3' ))}
  1. Is there a better way of doing this than a long if statement?
  2. The code above doesn't work - I have tried with and without the '
  3. Rather than using the answer text in the Expression, is it possible to use the Answer code?

Many thanks for any help on this
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  • Joffm
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5 years 9 months ago #170865 by Joffm
Replied by Joffm on topic Expression Manager big 'if' list
Hi,
of course, you have to use the code.
And with only three different scores, it is something like:

{if(Q8==1 or Q8==3 or Q8==13,1,if(Q8==2 or Q8==4 or Q8==12,2,3))}

Best regards
Joffm
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  • DenisChenu
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5 years 9 months ago #170901 by DenisChenu
Replied by DenisChenu on topic Expression Manager big 'if' list
Yes , you can manual.limesurvey.org/Expression_Manager#Conditional_Equations (see manual.limesurvey.org/images/1/1f/Tailoring9.jpg )

But with a lot of if, you can do someting like this :
Code:
{join(
if(Q8==1 or Q8==3 or Q8==13,1,''),
if(Q8==2 or Q8==4 or Q8==12,2,''),
if(Q8==1 and Q8==3 and Q8==13 and Q8==2 and Q8==4 and Q8==12)
)}
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