@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-PLS51XGP-L
  skos:prefLabel "prospective data"@en ;
  a skos:Concept ;
  skos:broader n9j:-Z5W0T55G-2 .

n9j:-V20JRG03-K
  skos:prefLabel "sampling error"@en ;
  a skos:Concept ;
  skos:broader n9j:-Z5W0T55G-2 .

n9j:-JV08N9BS-6
  skos:prefLabel "retrospective data"@en ;
  a skos:Concept ;
  skos:broader n9j:-Z5W0T55G-2 .

n9j:-methods
  a isothes:ConceptGroup ;
  skos:prefLabel "methods"@en ;
  skos:member n9j:-Z5W0T55G-2 .

n9j: a skos:ConceptScheme .
n9j:-JJPC7C6W-4
  skos:prefLabel "attrition"@en ;
  a skos:Concept ;
  skos:broader n9j:-Z5W0T55G-2 .

n9j:-Z5W0T55G-2
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/longitudinal_analysis> ;
  skos:narrower n9j:-PLS51XGP-L, n9j:-JJPC7C6W-4, n9j:-V20JRG03-K, n9j:-JV08N9BS-6 ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-RXS7VV30-6 ;
  skos:prefLabel "longitudinal analysis"@en .

n9j:-RXS7VV30-6
  skos:prefLabel "quantitative data analysis"@en ;
  a skos:Concept ;
  skos:narrower n9j:-Z5W0T55G-2 .