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Main chapters

  1. LimeSurvey Cloud vs LimeSurvey CE
  2. LimeSurvey Cloud - Quick start guide
  3. LimeSurvey CE - Installation
  4. How to design a good survey (Guide)
  5. Getting started
  6. LimeSurvey configuration
  7. Introduction - Surveys
  8. View survey settings
  9. View survey menu
  10. View survey structure
  11. Introduction - Questions
  12. Introduction - Question Groups
  13. Introduction - Surveys - Management
  14. Survey toolbar options
  15. Multilingual survey
  16. Quick start guide - ExpressionScript
  17. Advanced features
  18. General FAQ
  19. Troubleshooting
  20. Workarounds
  21. License
  22. Version change log
  23. Plugins - Advanced
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Translations

Translations:ExpressionScript How-tos/54/en

From LimeSurvey Manual

Below, you may observe that each variable has the .NAOK suffix attached to it. This is because of how EM supports cascading relevance. If you did not have .NAOK, then the sum would only be computed if the person said she has 4 children (e.g., if all of the variables are relevant). The usage of .NAOK means that we want to compute the sum even if all or some of the variables are irrelevant (e.g., "Not Applicable" (NA) is alright (OK)).

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