@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix edu: <https://knobit.org/def/> .
@prefix knobit: <https://knobit.org/id/knobit/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix register: <https://knobit.org/id/register/> .
@prefix schema: <https://schema.org/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

knobit:K-627 a edu:Knobit ;
    rdfs:label "Recognises a measure without stated additivity"@en ;
    dcterms:identifier "K-627" ;
    dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
    dcterms:source "Review checklist 04-physical, row 27; C&B (\"Data Warehousing Design\": choosing the facts); S&W 16.6"@en ;
    skos:altLabel "Measure without stated additivity (physical model)"@en ;
    skos:definition "A semi-additive measure (a balance, an open count) or a non-additive one (a ratio) stored without saying how it may be aggregated. A BI tool sums it, and the result is wrong and looks right."@en ;
    skos:prefLabel "Recognises a measure without stated additivity"@en ;
    edu:actionVerb "Recognises"@en ;
    edu:appliesKnowledge knobit:K-659 ;
    edu:assessmentCriterion "Flags the deficient case and passes the acceptable one. Deficient: `arrears_ratio` summed across products; month-end `account_ledger_balance_amount` summed across months Acceptable: `comment` stating additive, semi-additive (not across time) or non-additive; numerator and denominator stored instead of the ratio (`PHY-014`)"@en ;
    edu:assessmentMethod "skill-tests task: Loan application physical model on Snowflake (physical design anomaly skills)"@en ;
    edu:contextFunction <https://knobit.org/def/contextFunction/resultEvaluation> ;
    edu:creationMethod <https://knobit.org/def/creationMethod/aiGeneratedHumanEdited> ;
    edu:expectedResult "The measure and how it may be aggregated"@en ;
    edu:graphRelevance <https://knobit.org/def/graphRelevance/learnerState>,
        <https://knobit.org/def/graphRelevance/taskSelection> ;
    edu:knobitType <https://knobit.org/def/knobitType/skill> ;
    edu:targetObject "semi-additive or non-additive measure"@en ;
    schema:creativeWorkStatus "accepted" ;
    schema:isPartOf register:data-modelling .

edu:Knobit rdfs:label "Knobit"@en,
        "Knobit"@et .

knobit:K-659 rdfs:label "Explains grain and additivity in dimensional models"@en .

