@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/covariance_matrix>
  skos:definition "A square matrix formed of the covariances of variables. This is directly comparable to the ∗correlation matrix, since correlations are standardized (expressed in ∗z scores) covariances. [Source: <a href=\"https://methods.sagepub.com/reference/dictionary-of-statistics-methodology/n425.xml\" target=\"_blank\" data-id=\"to-srm\">Dictionary of Statistics &amp; Methodology; Covariance Matrix</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/covariance> ;
  skos:prefLabel "covariance matrix"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/covariance>
  skos:prefLabel "covariance"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/covariance_matrix> .

<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/covariance_matrix> .