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  "Title": "Sparse and Group Sparse Linear Models",
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    "sparse_lm",
    "SparseFit",
    "SparseGroupFit",
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      "title": "Fit a linear model with infinity-norm plus ridge-like regularization",
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        "bounded_reg"
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      "topics": [
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      ]
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      "page": "coef.QuadrupenFit",
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      "topics": [
        "coef.QuadrupenFit"
      ]
    },
    {
      "page": "criteria",
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      "topics": [
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        "criteria.QuadrupenFit"
      ]
    },
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      "title": "Cross-validation for Quadrupen object",
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        "cross_validate.QuadrupenFit"
      ]
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      ]
    },
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      ]
    },
    {
      "page": "deviance.QuadrupenFit",
      "title": "Extract model deviance",
      "topics": [
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      ]
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      "page": "fitted.QuadrupenFit",
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      "topics": [
        "fitted.QuadrupenFit"
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    {
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      "title": "Class \"FusedLassoFit\"",
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      ]
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    {
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      "title": "Fit a linear model with group-lava regularization",
      "topics": [
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      ]
    },
    {
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      "title": "Fit a linear model with (sparse) group regularisation",
      "topics": [
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        "group_l1linf",
        "group_lasso",
        "group_sparse_lm",
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        "sparse_group_l1linf",
        "sparse_group_lasso"
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    {
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      "topics": [
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        "plot.QuadrupenFit",
        "plot.StabilityPath"
      ]
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    {
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      "topics": [
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      "topics": [
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        "sparse_lm"
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