you cannot have more than two levels of a factor in qdec. You can use
the "command line" stream. See the wiki

On 03/14/2016 06:52 AM, Lisa Delalande wrote:
> Hello everyone,
>
> I've got some problems with qdec. I have .levels with more than 2
> factors. For example a "grpe.levels" with three factors : children
> (enfant), adults (adultes) and nothing (rien). But if I want to
> exclude some subjects like children qdec doesn't work anymore
> (attachment : error message). Is that possible a .levels can not have
> more than two factors ? Or the problem came from anything else ?
>
> Thanks in advance for your help !
> Best regards,
>
> Lisa
>
>

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