{
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  "Package": "SSNbler",
  "Title": "Assemble 'SSN' Objects",
  "Version": "1.1.1",
  "Authors@R": "c(\nperson(given = \"Erin\",\nfamily = \"Peterson\",\nemail = \"erin@peterson-consulting.com\",\nrole = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0000-0003-2992-0372\")),\nperson(given = \"Michael\",\nfamily = \"Dumelle\",\nrole = c(\"aut\"),\nemail = \"Dumelle.Michael@epa.gov\",\ncomment = c(ORCID = \"0000-0002-3393-5529\")),\nperson(given = \"Alan\",\nfamily = \"Pearse\",\nrole = \"aut\",\ncomment = c(ORCID = \"0000-0002-4133-8548\")),\nperson(given = \"Dan\",\nfamily = \"Teleki\",\nrole = \"ctb\"),\nperson(given = \"Jay M.\",\nfamily = \"Ver Hoef\",\nrole = \"ctb\",\nemail = \"jay.verhoef@noaa.gov\",\ncomment = c(ORCID = \"0000-0003-4302-6895\"))\n)",
  "Description": "Import, create and assemble data needed to fit\nspatial-statistical stream-network models using the 'SSN2'\npackage for 'R'. Streams, observations, and prediction\nlocations are represented as simple features and specific tools\nprovided to define topological relationships between features;\ncalculate the hydrologic distances (with flow-direction\npreserved) and the spatial additive function used to weight\nconverging stream segments; and export the topological,\nspatial, and attribute information to an `SSN` (spatial stream\nnetwork) object, which can be efficiently stored, accessed and\nanalysed in 'R'. A detailed description of methods used to\ncalculate and format the spatial data can be found in Peterson,\nE.E. and Ver Hoef, J.M., (2014) <doi:10.18637/jss.v056.i02>.",
  "License": "GPL (>= 3)",
  "Encoding": "UTF-8",
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  "Roxygen": "list(markdown = TRUE)",
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  "URL": "https://github.com/pet221/SSNbler",
  "BugReports": "https://github.com/pet221/SSNbler/issues",
  "VignetteBuilder": "knitr",
  "Config/testthat/edition": "3",
  "Config/pak/sysreqs": "libabsl-dev cmake libgdal-dev gdal-bin libgeos-dev\nlibglpk-dev libxml2-dev libssl-dev libproj-dev libsqlite3-dev\nlibudunits2-dev",
  "Repository": "https://pet221.r-universe.dev",
  "Date/Publication": "2025-10-11 18:55:57 UTC",
  "RemoteUrl": "https://github.com/pet221/ssnbler",
  "RemoteRef": "HEAD",
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  "Packaged": {
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    "User": "root"
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  "Author": "Erin Peterson [aut, cre] (ORCID:\n<https://orcid.org/0000-0003-2992-0372>),\nMichael Dumelle [aut] (ORCID: <https://orcid.org/0000-0002-3393-5529>),\nAlan Pearse [aut] (ORCID: <https://orcid.org/0000-0002-4133-8548>),\nDan Teleki [ctb],\nJay M. Ver Hoef [ctb] (ORCID: <https://orcid.org/0000-0003-4302-6895>)",
  "Maintainer": "Erin Peterson <erin@peterson-consulting.com>",
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  "_published": "2026-05-22T12:12:32.026Z",
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    "afv_edges",
    "afv_sites",
    "copy_streams_to_temp",
    "lines_to_lsn",
    "sites_to_lsn",
    "ssn_assemble",
    "ssn_check",
    "updist_edges",
    "updist_sites"
  ],
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      "title": "MF_CapeHorn: Prediction locations on Cape Horn Creek, in the Middle Fork Basin, Idaho.",
      "object": "MF_CapeHorn",
      "class": [
        "sf",
        "data.frame"
      ],
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        "COMID",
        "AREAWTMAP",
        "SLOPE",
        "ELEV_DEM",
        "FlowCMS",
        "AirMEANc",
        "AirMWMTc",
        "rcaAreaKm2",
        "h2oAreaKm2",
        "geometry"
      ],
      "rows": 654,
      "table": true,
      "tojson": true
    },
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      "object": "MF_obs",
      "class": [
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      ],
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        "COMID",
        "AREAWTMAP",
        "SLOPE",
        "ELEV_DEM",
        "Source",
        "Summer_mn",
        "MaxOver20",
        "C16",
        "C20",
        "C24",
        "FlowCMS",
        "AirMEANc",
        "AirMWMTc",
        "rcaAreaKm2",
        "h2oAreaKm2",
        "geometry"
      ],
      "rows": 45,
      "table": true,
      "tojson": true
    },
    {
      "name": "MF_pred1km",
      "title": "MF_pred1km: Prediction locations at 1km intervals throughout the Middle Fork Basin, Idaho.",
      "object": "MF_pred1km",
      "class": [
        "sf",
        "data.frame"
      ],
      "fields": [
        "COMID",
        "AREAWTMAP",
        "SLOPE",
        "ELEV_DEM",
        "FlowCMS",
        "AirMEANc",
        "AirMWMTc",
        "rcaAreaKm2",
        "h2oAreaKm2",
        "geometry"
      ],
      "rows": 175,
      "table": true,
      "tojson": true
    },
    {
      "name": "MF_preds",
      "title": "MF_preds: A small set of prediction locations found in the Middle Fork Basin, Idaho.",
      "object": "MF_preds",
      "class": [
        "sf",
        "data.frame"
      ],
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        "AREAWTMAP",
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        "h2oAreaKm2",
        "geom"
      ],
      "rows": 43,
      "table": true,
      "tojson": true
    },
    {
      "name": "MF_streams",
      "title": "MF_streams: Middle Fork streams",
      "object": "MF_streams",
      "class": [
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        "data.frame"
      ],
      "fields": [
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        "GNIS_NAME",
        "REACHCODE",
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        "rcaAreaKm2",
        "h2oAreaKm2",
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      "table": true,
      "tojson": true
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  "_help": [
    {
      "page": "accum_edges",
      "title": "Accumulate edge values downstream",
      "topics": [
        "accum_edges"
      ]
    },
    {
      "page": "afv_edges",
      "title": "Calculate the additive function value for edges in a LSN",
      "topics": [
        "afv_edges"
      ]
    },
    {
      "page": "afv_sites",
      "title": "Calculate additive function values for sites in a Landscape Network (LSN)",
      "topics": [
        "afv_sites"
      ]
    },
    {
      "page": "copy_streams_to_temp",
      "title": "Copy streams data to temporary directory",
      "topics": [
        "copy_streams_to_temp"
      ]
    },
    {
      "page": "lines_to_lsn",
      "title": "Convert lines to a landscape network (LSN)",
      "topics": [
        "lines_to_lsn"
      ]
    },
    {
      "page": "MF_CapeHorn",
      "title": "MF_CapeHorn: Prediction locations on Cape Horn Creek, in the Middle Fork Basin, Idaho.",
      "topics": [
        "MF_CapeHorn"
      ]
    },
    {
      "page": "MF_obs",
      "title": "MF_obs: Water temperature observations in the Middle Fork Basin, Idaho in 2004.",
      "topics": [
        "MF_obs"
      ]
    },
    {
      "page": "MF_pred1km",
      "title": "MF_pred1km: Prediction locations at 1km intervals throughout the Middle Fork Basin, Idaho.",
      "topics": [
        "MF_pred1km"
      ]
    },
    {
      "page": "MF_preds",
      "title": "MF_preds: A small set of prediction locations found in the Middle Fork Basin, Idaho.",
      "topics": [
        "MF_preds"
      ]
    },
    {
      "page": "MF_streams",
      "title": "MF_streams: Middle Fork streams",
      "topics": [
        "MF_streams"
      ]
    },
    {
      "page": "sites_to_lsn",
      "title": "Incorporate sites into a Landscape Network",
      "topics": [
        "sites_to_lsn"
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    },
    {
      "page": "ssn_assemble",
      "title": "Assemble an 'SSN' object from an LSN",
      "topics": [
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      "title": "Check an 'SSN' object",
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    {
      "page": "updist_edges",
      "title": "Get upstream distance for edges in a Landscape Network (LSN)",
      "topics": [
        "updist_edges"
      ]
    },
    {
      "page": "updist_sites",
      "title": "Get upstream distance for sites in a Landscape Network (LSN)",
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      ]
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      "source": "introduction.Rmd",
      "filename": "introduction.html",
      "title": "An Introduction to 'SSNbler': Assembling Spatial Stream Network (SSN) Objects in R",
      "author": "Erin E Peterson, Michael Dumelle, Alan R Pearse, Dan Teleki, and Jay M Ver Hoef",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Background",
        "The Landscape Network",
        "Building the Landscape Network",
        "Incorporating Sites Into the Landscape Network",
        "Calculating Upstream Distance",
        "Calculating Additive Function Values (AFVs)",
        "Assembling the SSN Object",
        "Plotting an SSN Object",
        "Incorporating Data Into an sf or SSN Object",
        "Fitting a Spatial Stream Network Model Using SSN2",
        "R Code Appendix",
        "References"
      ],
      "created": "2024-04-29 01:47:28",
      "modified": "2025-03-26 17:38:40",
      "commits": 28
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