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v4.5
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    v4.5

      percentileCont()

      La fonction percentileCont() calcule la valeur à un pourcentage donné sur les lignes d'un alias (en ignorant les lignes qui sont null). Lorsque la valeur se situe entre deux lignes, une moyenne pondérée de ces deux lignes, à savoir l'interpolation, doit être calculée et retournée. Une seule ligne de l'alias sera conservée après l'appel de cette fonction, et toutes les autres lignes seront abandonnées.

      Arguments:

      • Alias <number | time>
      • Percentage, 0~1

      Returns:

      • Percentile

      Exemple de graph : (à utiliser pour les exemples suivants)

      Exécutez les UQLs ci-dessous un par un dans un graphset vide pour créer des données de graph :

      create().node_schema("professor").node_schema("student")
      create().node_property(@*, "age", int32).node_property(@*, "email", string)
      insert().into(@professor).nodes([{_id:"P001",_uuid:1,age:53,email:"[email protected]"},{_id:"P002",_uuid:2,age:27,email:"[email protected]"}])
      insert().into(@student).nodes([{_id:"S001",_uuid:3,age:27,email:"[email protected]"},{_id:"S002",_uuid:4,age:20,email:"[email protected]"},{_id:"S003",_uuid:5,age:25,email:"[email protected]"}])
      

      Utilisation Courante

      Exemple : Calculer le percentile à 0.4 de age de tous les nodes dans le graph, utiliser l'interpolation

      find.nodes() as n
      return percentileCont(n.age, 0.4)
      

      26.2
      
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