"Fisher information" meaning in English

{
  "etymology_text": "Named after the statistician Ronald Fisher.",
  "head_templates": [
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      "expansion": "Fisher information (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
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            "Entries with incorrect language header",
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          "name": "Statistics",
          "orig": "en:Statistics",
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            "Formal sciences",
            "Mathematics",
            "Sciences",
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            "Fundamental"
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      ],
      "glosses": [
        "A measure of the amount of information that an observable random variable X carries about an unknown parameter θ of a distribution that models X. Formally, it is the variance of the score, or the expected value of the observed information."
      ],
      "id": "en-Fisher_information-en-noun-1FUG93Cf",
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "observable",
          "observable"
        ],
        [
          "random variable",
          "random variable"
        ],
        [
          "unknown",
          "unknown"
        ],
        [
          "parameter",
          "parameter"
        ],
        [
          "distribution",
          "distribution"
        ],
        [
          "model",
          "model"
        ],
        [
          "variance",
          "variance"
        ],
        [
          "score",
          "score"
        ]
      ],
      "raw_glosses": [
        "(statistics) A measure of the amount of information that an observable random variable X carries about an unknown parameter θ of a distribution that models X. Formally, it is the variance of the score, or the expected value of the observed information."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ],
      "wikipedia": [
        "Fisher information",
        "Ronald Fisher"
      ]
    }
  ],
  "word": "Fisher information"
}

{
  "etymology_text": "Named after the statistician Ronald Fisher.",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "Fisher information (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
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        "en:Statistics"
      ],
      "glosses": [
        "A measure of the amount of information that an observable random variable X carries about an unknown parameter θ of a distribution that models X. Formally, it is the variance of the score, or the expected value of the observed information."
      ],
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "observable",
          "observable"
        ],
        [
          "random variable",
          "random variable"
        ],
        [
          "unknown",
          "unknown"
        ],
        [
          "parameter",
          "parameter"
        ],
        [
          "distribution",
          "distribution"
        ],
        [
          "model",
          "model"
        ],
        [
          "variance",
          "variance"
        ],
        [
          "score",
          "score"
        ]
      ],
      "raw_glosses": [
        "(statistics) A measure of the amount of information that an observable random variable X carries about an unknown parameter θ of a distribution that models X. Formally, it is the variance of the score, or the expected value of the observed information."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ],
      "wikipedia": [
        "Fisher information",
        "Ronald Fisher"
      ]
    }
  ],
  "word": "Fisher information"
}