{
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  "Title": "Spatial Dispersion Index (SDI) Family of Metrics for\nSpatial/Geographic Networks",
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  "Maintainer": "Mehmet Gençer <mehmetgencer@yahoo.com>",
  "Description": "Spatial Dispersion Index (SDI) is a generalized\nmeasurement index, or rather a family of indices to evaluate\nspatial dispersion of movements/flows in a network in a problem\nneutral way as described in: Gencer (2023)\n<doi:10.1007/s12061-023-09545-8>. This package computes and\noptionally visualizes this index with minimal hassle.",
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  "Date/Publication": "2025-08-22 15:36:47 UTC",
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    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/rSDI"
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    "extra/citation.json",
    "extra/citation.txt",
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      "date": "2024-05-30"
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      "date": "2025-08-22"
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    "dist_calc",
    "euclidean",
    "haversine",
    "plotSDI",
    "SDI",
    "SDIcomputer",
    "unweightedAllVerticesSDI",
    "unweightedNetworkSDI",
    "unweightedSingleVertexSDI",
    "variantParser",
    "weightedAllVerticesSDI",
    "weightedNetworkSDI",
    "weightedSingleVertexSDI"
  ],
  "_datasets": [
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      "name": "TurkiyeMigration.flows",
      "title": "Türkiye migration network flows data",
      "object": "TurkiyeMigration.flows",
      "class": [
        "data.frame"
      ],
      "fields": [
        "from",
        "to",
        "weight"
      ],
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      "table": true,
      "tojson": true
    },
    {
      "name": "TurkiyeMigration.nodes",
      "title": "Türkiye migration network provinces/nodes data",
      "object": "TurkiyeMigration.nodes",
      "class": [
        "data.frame"
      ],
      "fields": [
        "id",
        "label",
        "longitude",
        "latitude"
      ],
      "rows": 81,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "dist_calc",
      "title": "Distance Calculation for Graph Nodes",
      "topics": [
        "dist_calc"
      ]
    },
    {
      "page": "euclidean",
      "title": "Calculate Euclidean Distance Between Two Points",
      "topics": [
        "euclidean"
      ]
    },
    {
      "page": "haversine",
      "title": "Calculate Haversine Distance Between Two Points on Earth",
      "topics": [
        "haversine"
      ]
    },
    {
      "page": "plotSDI",
      "title": "plotSDI generates a plot of the network and SDI metrics on a geographic map.",
      "topics": [
        "plotSDI"
      ]
    },
    {
      "page": "SDI",
      "title": "Computes graph or vertex level Spatial Dispersion Index(ces).",
      "topics": [
        "SDI"
      ]
    },
    {
      "page": "SDIcomputer",
      "title": "SDIcomputer() is a helper function to compute given SDI variant for the given graph object. Not intended for explicit use. Called automatically by the `SDI()` function.",
      "topics": [
        "SDIcomputer"
      ]
    },
    {
      "page": "TurkiyeMigration.flows",
      "title": "Türkiye migration network flows data",
      "topics": [
        "TurkiyeMigration.flows"
      ]
    },
    {
      "page": "TurkiyeMigration.nodes",
      "title": "Türkiye migration network provinces/nodes data",
      "topics": [
        "TurkiyeMigration.nodes"
      ]
    },
    {
      "page": "unweightedAllVerticesSDI",
      "title": "Not for explicit use.",
      "topics": [
        "unweightedAllVerticesSDI"
      ]
    },
    {
      "page": "unweightedNetworkSDI",
      "title": "Not for explicit use.",
      "topics": [
        "unweightedNetworkSDI"
      ]
    },
    {
      "page": "unweightedSingleVertexSDI",
      "title": "Not for explicit use.",
      "topics": [
        "unweightedSingleVertexSDI"
      ]
    },
    {
      "page": "variantParser",
      "title": "variantParser for SDI variant short-codes. This is a helper function and not intended for explicit use.",
      "topics": [
        "variantParser"
      ]
    },
    {
      "page": "weightedAllVerticesSDI",
      "title": "Not for explicit use.",
      "topics": [
        "weightedAllVerticesSDI"
      ]
    },
    {
      "page": "weightedNetworkSDI",
      "title": "Not for explicit use.",
      "topics": [
        "weightedNetworkSDI"
      ]
    },
    {
      "page": "weightedSingleVertexSDI",
      "title": "Not for explicit use.",
      "topics": [
        "weightedSingleVertexSDI"
      ]
    }
  ],
  "_readme": "https://github.com/ehengirmen/rsdi/raw/HEAD/README.md",
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    "glue",
    "igraph",
    "lattice",
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      "filename": "rSDI.html",
      "title": "rSDI",
      "author": "Mehmet Gençer",
      "engine": "knitr::rmarkdown",
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        "Spatial Dispersion Index (SDI) for Analysis of Activity Outreach in Spatial and Geographic Networks",
        "Spatial networks and their data",
        "Graph notation to represent spatial networks",
        "SDI: Definition and uses",
        "A simple example",
        "Optional distance calculation",
        "Example: Computing and plotting SDI for a geospatial network",
        "References"
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      "created": "2023-11-16 14:39:27",
      "modified": "2025-08-22 15:36:47",
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