@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:Q-313 a edu:Knobit ;
    rdfs:label "Recognises a check measuring the wrong population"@en ;
    dcterms:identifier "Q-313" ;
    dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
    dcterms:source "Review checklist 03-dq-rules (data-quality), row 13; DAMA UK 2013; Olson 2003; formerly data-modelling K-713"@en ;
    skos:altLabel "Wrong population (data quality rule)"@en ;
    skos:definition "The rows a check measures are not the rows the rule governs. Too wide, and rows the rule does not apply to pass trivially and dilute the failures; too narrow, and governed rows are never examined. The population is also the threshold's denominator, so a wrong population is a wrong threshold."@en ;
    skos:prefLabel "Recognises a check measuring the wrong population"@en ;
    edu:actionVerb "Recognises"@en ;
    edu:appliesKnowledge knobit:Q-353 ;
    edu:assessmentCriterion "Flags the deficient case and passes the acceptable one. Deficient: `BR-020: each loan account has a maturity date`; `DQ-018` over all of `account` with `expression: account_type_code <> 'LOAN' OR loan_maturity_date IS NOT NULL`. 60 % are current accounts and pass, so 25 % of loan accounts failing reports as 90 % Acceptable: `population: account_type_code = 'LOAN'`, `expression: loan_maturity_date IS NOT NULL`: the same failures now report as 75 %"@en ;
    edu:assessmentMethod "skill-tests task: Loan application data quality rules on Snowflake (DQ rule anomaly skills)"@en ;
    edu:contextFunction <https://knobit.org/def/contextFunction/resultEvaluation> ;
    edu:creationMethod <https://knobit.org/def/creationMethod/aiGeneratedHumanEdited> ;
    edu:expectedResult "The population and the rows the rule actually governs"@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 "population of a DQ check"@en ;
    schema:creativeWorkStatus "accepted" ;
    schema:isPartOf register:data-quality .

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

knobit:Q-353 rdfs:label "Explains the population, measure and threshold of a check"@en .