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  "Title": "Biodiversity Assessment Using Hill-Number Functional Tools",
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  "Description": "Tools for biodiversity assessment through Hill-number\ndiversity profiles treated as functions of the order q. The\npackage computes the profiles of Hill (1973)\n<doi:10.2307/1934352>, their analytical first and second\nderivatives, curvature, radius of curvature, arc length,\ncumulative integral functions, profile areas, area-based\nrankings and relative changes over time, together with static\nand interactive three-dimensional biodiversity surfaces. The\nfunctional approach follows Di Battista, Fortuna and Maturo\n(2017) <doi:10.1016/j.ecolind.2016.10.032>, Maturo and Di\nBattista (2018) <doi:10.1016/j.ecolind.2017.08.016> and Maturo\n(2018) <doi:10.1016/j.ecolind.2018.03.013>.",
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    {
      "page": "BioFTF-package",
      "title": "Biodiversity Assessment Using Hill-Number Functional Tools",
      "topics": [
        "BioFTF-package",
        "BioFTF"
      ]
    },
    {
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      "title": "Data Summaries and Wrappers",
      "topics": [
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        "datirel",
        "export_plots",
        "summary_species",
        "summary_species_relative"
      ]
    },
    {
      "page": "hill_functional_tools",
      "title": "Functional Tools Derived from Hill-Number Profiles",
      "topics": [
        "hill_arc",
        "hill_area",
        "hill_cum",
        "hill_cum_plot",
        "hill_curvature",
        "hill_curvature_plot",
        "hill_derivative",
        "hill_derivative_plot",
        "hill_first_derivative",
        "hill_radius",
        "hill_radius_plot",
        "hill_ranking",
        "hill_second_derivative",
        "hill_total_change"
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    },
    {
      "page": "hill_profile",
      "title": "Hill-Number Diversity Profiles",
      "topics": [
        "hill",
        "hill_plot",
        "hill_profile",
        "hill_profile_plot"
      ]
    },
    {
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      "title": "Hill-Number Biodiversity Surfaces",
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        "hill_surface_compare",
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        "Negative orders",
        "Relation with the Patil-Taillie profile",
        "Derivatives, curvature and radius of curvature",
        "Area, cumulative integral function and arc length",
        "Biodiversity surfaces",
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