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  "Date": "2025-05-22",
  "Title": "Higher Order Inference for Nonlinear Heteroscedastic Models",
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      "title": "Higher Order Inference for Nonlinear Heteroscedastic Models",
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        "nlreg-package"
      ]
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        "C2",
        "C3",
        "C4",
        "M2",
        "M4"
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      "title": "Differentiate the Mean Function of a Nonlinear Model",
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