@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/secondary_data_analysis>
  skos:prefLabel "secondary data analysis"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/panel_data> .

<https://concepts.sagepub.com/social-science/concept/panel_data>
  skos:definition "Panel data, also known as longitudinal data, are important in many areas of research, including epidemiology, psychology, sociology, economics, and public health. Data from longitudinal studies in clinical trials and cohort studies with long-term follow-ups are a primary example of panel data. [Source: <a href=\"https://methods.sagepub.com/reference/encyc-of-epidemiology/n336.xml\" target=\"_blank\" data-id=\"to-srm\">Encyclopedia of Epidemiology; Panel Data</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/secondary_data_analysis>, <https://concepts.sagepub.com/social-science/concept/longitudinal_research>, <https://concepts.sagepub.com/social-science/concept/statistics_and_research_methods> ;
  skos:prefLabel "panel data"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/statistics_and_research_methods>
  skos:prefLabel "statistics and research methods"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/panel_data> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/methods>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "methods"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/panel_data> .

<https://concepts.sagepub.com/social-science/concept/longitudinal_research>
  skos:prefLabel "longitudinal research"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/panel_data> .