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      "title": "'BlockCov' package",
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        "BlockCov"
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      "title": "BlockCov package",
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        "Estimation of $\\boldsymbol{\\Sigma}$ (without estimating and $\\boldsymbol{\\Sigma}^{-1/2}$)",
        "Estimation of $\\boldsymbol{\\Sigma}$ when the parameters are known",
        "Estimation of $\\boldsymbol{\\Sigma}$ when the parameters are unknown",
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