"pseudodistance" meaning in English

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  "etymology_text": "From pseudo- + distance.",
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      "form": "pseudodistances",
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          "ref": "2015 October 16, “Robust Portfolio Optimization Using Pseudodistances”, in PLOS ONE, →DOI:",
          "text": "In this paper we present robust estimators of mean and covariance matrix obtained by minimizing an empirical version of a pseudodistance between the assumed model and the true model underlying the data.",
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        "A pseudometric having some characteristics of distance"
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        "(mathematics) A pseudometric having some characteristics of distance"
      ],
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  "word": "pseudodistance"
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        "(mathematics) A pseudometric having some characteristics of distance"
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