{
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  "Package": "lfstat",
  "Type": "Package",
  "Title": "Calculation of Low Flow Statistics for Daily Stream Flow Data",
  "Version": "0.9.13",
  "Date": "2025-09-04",
  "Authors@R": "c(\nperson(\"Tobias\", \"Gauster\", role = c(\"ctb\", \"cre\"), email = \"t.gauster@gmail.com\"),\nperson(\"Gregor\", \"Laaha\", role = \"aut\", email = \"gregor.laaha@boku.ac.at\", comment = c(ORCID = \"0000-0002-6793-9640\")),\nperson(\"Daniel\", \"Koffler\", role = \"aut\", email = \"daniel.koffler@boku.ac.at\")\n)",
  "BugReports": "https://github.com/mundl/lfstat/issues",
  "Description": "The \"Manual on Low-flow Estimation and Prediction\"\n(Gustard & Demuth (2009, ISBN:978-92-63-11029-9)), published by\nthe World Meteorological Organisation, gives a comprehensive\nsummary on how to analyse stream flow data focusing on\nlow-flows. This packages provides functions to compute the\ndescribed statistics and produces plots similar to the ones in\nthe manual.",
  "License": "GPL (>= 2)",
  "Language": "en-GB",
  "LazyLoad": "yes",
  "Encoding": "UTF-8",
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  "Repository": "https://mundl.r-universe.dev",
  "Date/Publication": "2025-09-03 19:57:27 UTC",
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  "Packaged": {
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    "User": "root"
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  "Author": "Tobias Gauster [ctb, cre],\nGregor Laaha [aut] (ORCID: <https://orcid.org/0000-0002-6793-9640>),\nDaniel Koffler [aut]",
  "Maintainer": "Tobias Gauster <t.gauster@gmail.com>",
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    },
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    "baseflow",
    "BFI",
    "bfplot",
    "cdf_ev",
    "check_distribution",
    "createlfobj",
    "dmcurve",
    "ev_return_period",
    "evfit",
    "evquantile",
    "fdc",
    "fill_na",
    "find_droughts",
    "flowunit",
    "flowunit<-",
    "gringorten",
    "hydrograph",
    "hyear_start",
    "hyear_start<-",
    "is.lfobj",
    "lfnacheck",
    "lfnainterpolate",
    "ma",
    "MAM",
    "meanflow",
    "multistationsreport",
    "pel_ev",
    "pool_ic",
    "pool_it",
    "pool_ma",
    "pool_sp",
    "Q70",
    "Q90",
    "Q95",
    "qua_ev",
    "Qxx",
    "readlfdata",
    "recession",
    "recessionplot",
    "rfa",
    "rfaplot",
    "rpline",
    "sbplot",
    "seasindex",
    "season",
    "seasratio",
    "seglenplot",
    "setlfunit",
    "streamdef",
    "streamdefplot",
    "trace_value",
    "tyears",
    "tyearsS",
    "vary_threshold",
    "water_year"
  ],
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    {
      "name": "ng",
      "title": "Daily stream flow data used for low flow analysis",
      "object": "ng",
      "file": "ng.rda",
      "class": [
        "lfobj",
        "data.frame"
      ],
      "fields": [
        "day",
        "month",
        "year",
        "flow",
        "hyear",
        "baseflow"
      ],
      "rows": 3653,
      "table": true,
      "tojson": true
    },
    {
      "name": "ngaruroro",
      "title": "Daily stream flow data used for low flow analysis",
      "object": "ngaruroro",
      "file": "ngaruroro.rda",
      "class": [
        "lfobj",
        "data.frame"
      ],
      "fields": [
        "day",
        "month",
        "year",
        "flow",
        "hyear",
        "baseflow"
      ],
      "rows": 13618,
      "table": true,
      "tojson": true
    },
    {
      "name": "ray",
      "title": "Daily stream flow data used for low flow analysis",
      "object": "ray",
      "file": "ray.rda",
      "class": [
        "lfobj",
        "data.frame"
      ],
      "fields": [
        "day",
        "month",
        "year",
        "flow",
        "hyear",
        "baseflow"
      ],
      "rows": 13606,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "lfstat-package",
      "title": "Calculation of Low Flow Statistics for Daily Stream Flow Data",
      "topics": [
        "lfstat-package",
        "lfstat"
      ]
    },
    {
      "page": "apply.seasonal",
      "title": "Apply an aggregation function seasonally.",
      "topics": [
        "apply.seasonal"
      ]
    },
    {
      "page": "as.lfobj",
      "title": "Coerce to class ''lfobj''",
      "topics": [
        "as.lfobj",
        "as.lfobj.xts",
        "as.lfobj.zoo",
        "is.lfobj"
      ]
    },
    {
      "page": "as.xts.lfobj",
      "title": "Convert Object To Class ''xts''",
      "topics": [
        "as.xts.lfobj"
      ]
    },
    {
      "page": "baseflow",
      "title": "Calculate the base flow of a river",
      "topics": [
        "baseflow"
      ]
    },
    {
      "page": "BFI",
      "title": "Base Flow Index",
      "topics": [
        "BFI"
      ]
    },
    {
      "page": "bfplot",
      "title": "Base Flow Plot",
      "topics": [
        "bfplot"
      ]
    },
    {
      "page": "check_distribution",
      "title": "Checks if a Distribution is suited",
      "topics": [
        "check_distribution"
      ]
    },
    {
      "page": "createlfobj",
      "title": "Create an low flow object for further Low Flow Analysis",
      "topics": [
        "createlfobj",
        "createlfobj.data.frame",
        "createlfobj.default",
        "createlfobj.lfobj",
        "createlfobj.ts"
      ]
    },
    {
      "page": "dmcurve",
      "title": "Double Mass Curve",
      "topics": [
        "dmcurve"
      ]
    },
    {
      "page": "ev_return_period",
      "title": "Estimate the return period for given quantiles",
      "topics": [
        "ev_return_period"
      ]
    },
    {
      "page": "evfit",
      "title": "Fit an extreme value distribution to observations",
      "topics": [
        "evfit"
      ]
    },
    {
      "page": "evquantile",
      "title": "Estimating populations quantiles of extreme values",
      "topics": [
        "evquantile"
      ]
    },
    {
      "page": "fdc",
      "title": "Flow Duration Curve",
      "topics": [
        "fdc"
      ]
    },
    {
      "page": "fill_na",
      "title": "Interpolation NA values in a vector",
      "topics": [
        "fill_na"
      ]
    },
    {
      "page": "find_droughts",
      "title": "Identifying Low Flow Periods",
      "topics": [
        "find_droughts"
      ]
    },
    {
      "page": "flowunit",
      "title": "Set and retrieve unit of the discharge",
      "topics": [
        "flowunit",
        "flowunit.lfobj",
        "flowunit.xts",
        "flowunit<-",
        "flowunit<-.lfobj",
        "flowunit<-.xts"
      ]
    },
    {
      "page": "gringorten",
      "title": "Gringorten Plotting Positions",
      "topics": [
        "gringorten"
      ]
    },
    {
      "page": "hydrograph",
      "title": "Hydrograph",
      "topics": [
        "hydrograph"
      ]
    },
    {
      "page": "hyear_start",
      "title": "Extract or guess the Start of a Hydrological Year",
      "topics": [
        "hyear_start",
        "hyear_start.data.frame",
        "hyear_start.xts",
        "hyear_start<-",
        "hyear_start<-.lfobj",
        "hyear_start<-.xts"
      ]
    },
    {
      "page": "lfnacheck",
      "title": "Low flow object check for missing values.",
      "topics": [
        "lfnacheck"
      ]
    },
    {
      "page": "lfnainterpolate",
      "title": "Interpolate missing values",
      "topics": [
        "lfnainterpolate"
      ]
    },
    {
      "page": "ma",
      "title": "Simple Moving Average",
      "topics": [
        "ma"
      ]
    },
    {
      "page": "MAM",
      "title": "Mean Annual Minimum",
      "topics": [
        "MAM"
      ]
    },
    {
      "page": "meanflow",
      "title": "Mean flow",
      "topics": [
        "meanflow"
      ]
    },
    {
      "page": "multistationsreport",
      "title": "Report for several stations",
      "topics": [
        "multistationsreport"
      ]
    },
    {
      "page": "ngaruroro",
      "title": "Daily stream flow data used for low flow analysis",
      "topics": [
        "ng",
        "ngaruroro",
        "ray"
      ]
    },
    {
      "page": "plot.deficit",
      "title": "Plot time series of deficits",
      "topics": [
        "plot.deficit"
      ]
    },
    {
      "page": "pool_ic",
      "title": "Pooling Procedures of Low Flow Events",
      "topics": [
        "pooling",
        "pool_ic",
        "pool_it",
        "pool_ma",
        "pool_sp"
      ]
    },
    {
      "page": "Q95",
      "title": "Qxx, Q95, Q90, Q70",
      "topics": [
        "Q70",
        "Q90",
        "Q95",
        "Qxx"
      ]
    },
    {
      "page": "readlfdata",
      "title": "Reads data sheets",
      "topics": [
        "readlfdata"
      ]
    },
    {
      "page": "recession",
      "title": "Recession Constant",
      "topics": [
        "recession"
      ]
    },
    {
      "page": "recessionplot",
      "title": "Recession diagnostic plot",
      "topics": [
        "recessionplot"
      ]
    },
    {
      "page": "cdf_ev",
      "title": "Reversed functions for several Extreme Value Distributions",
      "topics": [
        "cdf_ev",
        "pel_ev",
        "qua_ev",
        "reversing"
      ]
    },
    {
      "page": "rfa",
      "title": "Regional Frequency Analysis",
      "topics": [
        "rfa"
      ]
    },
    {
      "page": "rfaplot",
      "title": "Regional Frequency Analysis",
      "topics": [
        "rfaplot"
      ]
    },
    {
      "page": "rpline",
      "title": "Highlight quantiles/return periods",
      "topics": [
        "rpline"
      ]
    },
    {
      "page": "sbplot",
      "title": "Seasonal Bar Chart",
      "topics": [
        "sbplot"
      ]
    },
    {
      "page": "seasindex",
      "title": "Seasonality Index",
      "topics": [
        "seasindex"
      ]
    },
    {
      "page": "season",
      "title": "Attribute dates to seasons",
      "topics": [
        "season"
      ]
    },
    {
      "page": "seasratio",
      "title": "Seasonality Ratio",
      "topics": [
        "seasratio"
      ]
    },
    {
      "page": "seglenplot",
      "title": "Bar chart of recession length",
      "topics": [
        "seglenplot"
      ]
    },
    {
      "page": "setlfunit",
      "title": "Define the unit to use in low flow plots",
      "topics": [
        "setlfunit"
      ]
    },
    {
      "page": "streamdef",
      "title": "Streamflow Deficit",
      "topics": [
        "streamdef"
      ]
    },
    {
      "page": "streamdefplot",
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        "streamdefplot"
      ]
    },
    {
      "page": "summary.deficit",
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    },
    {
      "page": "trace_value",
      "title": "Draw Paths to Points perpendicular to Coordinate Axis",
      "topics": [
        "trace_value"
      ]
    },
    {
      "page": "tyears",
      "title": "Calculate Low-Flow Quantiles for given Return Periods",
      "topics": [
        "tyears"
      ]
    },
    {
      "page": "tyearsS",
      "title": "Calculate Low-Flow Quantiles for given Return Periods",
      "topics": [
        "tyearsS"
      ]
    },
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      "page": "vary_threshold",
      "title": "Create varying thresholds",
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        "vary_threshold"
      ]
    },
    {
      "page": "water_year",
      "title": "Compute the water year",
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        "water_year"
      ]
    }
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