Génerer un nombre numérique aléatoire

Syntax
#1

Bonjour
Je voudrais savoir comment je peux generer un nombre de facon automatique dans SuSo

#2

You cannot “generate” random numbers in your questionaire.
However, each interview gets a random number assigned during creation.
You can reference this number in your questionnaire expressions as:

Quest.IRnd()

It will return a single double precision number between 0 (included) and 1 (excluded).

There are several posts on this forum discussing techniques for using random numbers in interviews.
You’ll find lots of additional information.

#3

Merci beaucoup cher @klaus
Maintenant, quelle est la syntaxe pour me permettre d’extraire un nombre de 4 chiffres aléatoire parmi les 16 générés précédemment
Merci bien

#4

See the discussion here:

#5

Say you want a number between 1 and 9999:

Then the expression

(long) Math.Floor(((decimal)Quest.IRnd())*(decimal)9999) + 1

would return it.

You can also substitute 9999 by the variable of a numeric question, say, numberRooms.
The expression would then randomly select the number of one of the rooms.