"tetrachoric" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "tetrachoric (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
          "parents": [
            "Formal sciences",
            "Mathematics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015 July 9, “Social Participation and Disaster Risk Reduction Behaviors in Tsunami Prone Areas”, in PLOS ONE, →DOI:",
          "text": "Each rho (ρ) represents the conditional tetrachoric correlation for each pair of outcomes, measuring the extent to which the two outcomes would covary if unobserved characteristics of an individual were indeed observed.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Between two dichotomous variables"
      ],
      "id": "en-tetrachoric-en-adj-oadH1MVm",
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "dichotomous",
          "dichotomous"
        ],
        [
          "variable",
          "variable"
        ]
      ],
      "raw_glosses": [
        "(statistics, of a correlation) Between two dichotomous variables"
      ],
      "raw_tags": [
        "of a correlation"
      ],
      "related": [
        {
          "word": "polychoric"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    }
  ],
  "word": "tetrachoric"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "tetrachoric (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "polychoric"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Statistics"
      ],
      "examples": [
        {
          "ref": "2015 July 9, “Social Participation and Disaster Risk Reduction Behaviors in Tsunami Prone Areas”, in PLOS ONE, →DOI:",
          "text": "Each rho (ρ) represents the conditional tetrachoric correlation for each pair of outcomes, measuring the extent to which the two outcomes would covary if unobserved characteristics of an individual were indeed observed.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Between two dichotomous variables"
      ],
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "dichotomous",
          "dichotomous"
        ],
        [
          "variable",
          "variable"
        ]
      ],
      "raw_glosses": [
        "(statistics, of a correlation) Between two dichotomous variables"
      ],
      "raw_tags": [
        "of a correlation"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    }
  ],
  "word": "tetrachoric"
}