{
  "_id": "6a1e92421d7bb097a0a6aa0f",
  "Package": "WASP",
  "Title": "Wavelet System Prediction",
  "Version": "1.4.5",
  "Authors@R": "c(person(given = \"Ze\",\nfamily = \"Jiang\",\nrole = c(\"aut\", \"cre\"),\nemail = \"ze.jiang@unsw.edu.au\",\ncomment = c(ORCID = \"0000-0002-3472-0829\")),\nperson(given = \"Md. Mamunur\",\nfamily = \"Rashid\",\nrole = c(\"aut\"),\ncomment = c(ORCID = \"0000-0002-0315-9055\")),\nperson(given = \"Ashish\",\nfamily = \"Sharma\",\nrole = c(\"aut\"),\ncomment = c(ORCID = \"0000-0002-6758-0519\")),\nperson(given = \"Fiona\",\nfamily = \"Johnson\",\nrole = c(\"aut\"),\ncomment = c(ORCID = \"0000-0001-5708-1807\")))",
  "Author": "Ze Jiang [aut, cre] (<https://orcid.org/0000-0002-3472-0829>),\nMd. Mamunur Rashid [aut]\n(<https://orcid.org/0000-0002-0315-9055>), Ashish Sharma [aut]\n(<https://orcid.org/0000-0002-6758-0519>), Fiona Johnson [aut]\n(<https://orcid.org/0000-0001-5708-1807>)",
  "Maintainer": "Ze Jiang <ze.jiang@unsw.edu.au>",
  "Description": "The wavelet-based variance transformation method is used\nfor system modelling and prediction. It refines predictor\nspectral representation using Wavelet Theory, which leads to\nimproved model specifications and prediction accuracy. Details\nof methodologies used in the package can be found in Jiang, Z.,\nSharma, A., & Johnson, F. (2020) <doi:10.1029/2019WR026962>,\nJiang, Z., Rashid, M. M., Johnson, F., & Sharma, A. (2020)\n<doi:10.1016/j.envsoft.2020.104907>, and Jiang, Z., Sharma, A.,\n& Johnson, F. (2021) <doi:10.1016/J.JHYDROL.2021.126816>.",
  "License": "GPL-3",
  "Encoding": "UTF-8",
  "URL": "https://github.com/zejiang-unsw/WASP#readme",
  "BugReports": "https://github.com/zejiang-unsw/WASP/issues",
  "RoxygenNote": "7.3.3",
  "VignetteBuilder": "knitr",
  "Config/pak/sysreqs": "libicu-dev libx11-dev",
  "Repository": "https://zejiang-unsw.r-universe.dev",
  "Date/Publication": "2026-05-03 14:14:45 UTC",
  "RemoteUrl": "https://github.com/zejiang-unsw/wasp",
  "RemoteRef": "HEAD",
  "RemoteSha": "5096903c453ac16b94e12067836ebacb2aac86d2",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-06-02 08:15:56 UTC",
    "User": "root"
  },
  "MD5sum": "809f49e005bd2439236cb560a23810d6",
  "_user": "zejiang-unsw",
  "_type": "src",
  "_file": "WASP_1.4.5.tar.gz",
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  "_created": "2026-06-02T08:15:56.000Z",
  "_published": "2026-06-02T08:20:18.348Z",
  "_distro": "noble",
  "_jobs": [
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  ],
  "_buildurl": "https://github.com/r-universe/zejiang-unsw/actions/runs/26807162771",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/zejiang-unsw/wasp",
  "_commit": {
    "id": "5096903c453ac16b94e12067836ebacb2aac86d2",
    "author": "Ze Jiang <47626771+zejiang-unsw@users.noreply.github.com>",
    "committer": "Ze Jiang <47626771+zejiang-unsw@users.noreply.github.com>",
    "message": "Update CRAN-SUBMISSION\n",
    "time": 1777817685
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  "_maintainer": {
    "name": "Ze Jiang",
    "email": "ze.jiang@unsw.edu.au",
    "orcid": "0000-0002-3472-0829"
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  "_dependencies": [
    {
      "package": "R",
      "version": ">= 3.6.0",
      "role": "Depends"
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    {
      "package": "waveslim",
      "role": "Imports"
    },
    {
      "package": "stats",
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    },
    {
      "package": "tidyr",
      "role": "Imports"
    },
    {
      "package": "readr",
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    },
    {
      "package": "ggplot2",
      "role": "Imports"
    },
    {
      "package": "sp",
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    },
    {
      "package": "zoo",
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    {
      "package": "fitdistrplus",
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    },
    {
      "package": "NPRED",
      "role": "Suggests"
    },
    {
      "package": "FNN",
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    {
      "package": "SPEI",
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      "package": "knitr",
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      "package": "dplyr",
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    {
      "package": "cowplot",
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    {
      "package": "gridGraphics",
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      "package": "testthat",
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  "_owner": "zejiang-unsw",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [
    {
      "week": "2026-04",
      "n": 2
    },
    {
      "week": "2026-18",
      "n": 1
    }
  ],
  "_tags": [],
  "_topics": [
    "prediction",
    "transformation",
    "wavelet"
  ],
  "_stars": 10,
  "_contributors": [
    {
      "user": "zejiang-unsw",
      "count": 114,
      "uuid": 47626771
    }
  ],
  "_userbio": {
    "uuid": 47626771,
    "type": "user",
    "name": "Ze Jiang"
  },
  "_downloads": {
    "count": 728,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/WASP"
  },
  "_mentions": 97,
  "_devurl": "https://github.com/zejiang-unsw/wasp",
  "_searchresults": 21,
  "_rbuild": "4.6.0",
  "_assets": [
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    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "extra/WASP.html",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/zejiang-unsw/wasp",
  "_realowner": "zejiang-unsw",
  "_cranurl": true,
  "_releases": [
    {
      "version": "1.4.0",
      "date": "2021-08-23"
    },
    {
      "version": "1.4.1",
      "date": "2021-09-02"
    },
    {
      "version": "1.4.2",
      "date": "2022-02-21"
    },
    {
      "version": "1.4.3",
      "date": "2022-08-22"
    },
    {
      "version": "1.4.4",
      "date": "2024-07-20"
    },
    {
      "version": "1.4.5",
      "date": "2026-01-22"
    }
  ],
  "_exports": [
    "at.vt",
    "at.vt.val",
    "at.wd",
    "data.gen.ar1",
    "data.gen.ar4",
    "data.gen.ar9",
    "data.gen.HL",
    "data.gen.Rossler",
    "data.gen.SW",
    "data.gen.tar1",
    "data.gen.tar2",
    "dwt.vt",
    "dwt.vt.val",
    "fig.dwt.vt",
    "knn",
    "knnregl1cv",
    "modwt.vt",
    "modwt.vt.val",
    "mra.plot",
    "non.bdy",
    "padding",
    "pic.calc",
    "r2.boot",
    "scal2freqM",
    "scal2freqR",
    "SPI.calc",
    "stepwise.VT",
    "stepwise.VT.val",
    "wave.var"
  ],
  "_datasets": [
    {
      "name": "aus.coast",
      "title": "Sample data: Australia map",
      "object": "aus.coast",
      "file": "aus.coast.rda",
      "class": [
        "SpatialPolygons"
      ],
      "fields": [],
      "table": false,
      "tojson": false
    },
    {
      "name": "data.AWAP.2.5",
      "title": "Sample data: AWAP rainfall data over Australia",
      "object": "data.AWAP.2.5",
      "file": "data.AWAP.2.5.rda",
      "class": [
        "matrix",
        "array"
      ],
      "fields": {},
      "rows": 1320,
      "table": true,
      "tojson": true
    },
    {
      "name": "data.CI",
      "title": "Sample data: Climate indices strongly influencing Australia climate",
      "object": "data.CI",
      "file": "data.CI.rda",
      "class": [
        "mts",
        "ts",
        "matrix"
      ],
      "fields": [
        "Nino34",
        "PDO",
        "SAM",
        "DMI"
      ],
      "rows": 1332,
      "table": true,
      "tojson": true
    },
    {
      "name": "data.HL",
      "title": "Sample data: Hysteresis loop",
      "object": "data.HL",
      "file": "data.HL.rda",
      "class": [
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "data.SW1",
      "title": "Sample data: Sinewave model 1 (SW1)",
      "object": "data.SW1",
      "file": "data.SW1.rda",
      "class": [
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "data.SW3",
      "title": "Sample data: Sinewave model 3 (SW3)",
      "object": "data.SW3",
      "file": "data.SW3.rda",
      "class": [
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "Ind_AWAP.2.5",
      "title": "Sample data: Index of AWAP grids with no missing data",
      "object": "Ind_AWAP.2.5",
      "file": "Ind_AWAP.2.5.rda",
      "class": [
        "integer"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "lat_lon.2.5",
      "title": "Sample data: Latitude and longitude of AWAP grids",
      "object": "lat_lon.2.5",
      "file": "lat_lon.2.5.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "lon",
        "lat"
      ],
      "rows": 252,
      "table": true,
      "tojson": true
    },
    {
      "name": "obs.mon",
      "title": "Sample data: NCEP reanalysis data averaged over Sydney region",
      "object": "obs.mon",
      "file": "obs.mon.rda",
      "class": [
        "mts",
        "ts",
        "matrix"
      ],
      "fields": [
        "GPH.925",
        "TDP.700",
        "TDP.500",
        "EPT.500",
        "UWND.500",
        "VWND.500",
        "NS.MSLP"
      ],
      "rows": 720,
      "table": true,
      "tojson": true
    },
    {
      "name": "rain.mon",
      "title": "Sample data: Rainfall station data over Sydney region",
      "object": "rain.mon",
      "file": "rain.mon.rda",
      "class": [
        "mts",
        "ts",
        "matrix"
      ],
      "fields": [
        "TARALGA",
        "KATOOMBA",
        "LITHGOW",
        "WOODHOUSELEE",
        "GOULBURN",
        "CAMDEN",
        "MARULAN",
        "NERRIGA",
        "BUNDANOON",
        "CATARACT",
        "CORDEAUXQ",
        "METHVEN",
        "POTTSHILL",
        "RIVERVIEW",
        "WORONORA"
      ],
      "rows": 732,
      "table": true,
      "tojson": true
    },
    {
      "name": "SPI.12",
      "title": "Sample data: Standardized Precipitation Index with 12 month accumulation period.",
      "object": "SPI.12",
      "file": "SPI.12.rda",
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        "mts",
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        "matrix"
      ],
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      "rows": 1200,
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  ],
  "_help": [
    {
      "page": "WASP-package",
      "title": "WASP: WAvelet System Prediction",
      "topics": [
        "WASP-package"
      ]
    },
    {
      "page": "at.vt",
      "title": "Variance Transformation Operation - AT(a trous)",
      "topics": [
        "at.vt"
      ]
    },
    {
      "page": "at.vt.val",
      "title": "Variance Transformation Operation for Validation",
      "topics": [
        "at.vt.val"
      ]
    },
    {
      "page": "at.wd",
      "title": "a trous (AT) based additive decompostion using Daubechies family wavelet",
      "topics": [
        "at.wd"
      ]
    },
    {
      "page": "aus.coast",
      "title": "Sample data: Australia map",
      "topics": [
        "aus.coast"
      ]
    },
    {
      "page": "data.AWAP.2.5",
      "title": "Sample data: AWAP rainfall data over Australia",
      "topics": [
        "data.AWAP.2.5"
      ]
    },
    {
      "page": "data.CI",
      "title": "Sample data: Climate indices strongly influencing Australia climate",
      "topics": [
        "data.CI"
      ]
    },
    {
      "page": "data.gen.ar1",
      "title": "Generate predictor and response data from AR1 model.",
      "topics": [
        "data.gen.ar1"
      ]
    },
    {
      "page": "data.gen.ar4",
      "title": "Generate predictor and response data from AR4 model.",
      "topics": [
        "data.gen.ar4"
      ]
    },
    {
      "page": "data.gen.ar9",
      "title": "Generate predictor and response data from AR9 model.",
      "topics": [
        "data.gen.ar9"
      ]
    },
    {
      "page": "data.gen.HL",
      "title": "Generate predictor and response data: Hysteresis Loop",
      "topics": [
        "data.gen.HL"
      ]
    },
    {
      "page": "data.gen.Rossler",
      "title": "Generate predictor and response data: Rossler system",
      "topics": [
        "data.gen.Rossler"
      ]
    },
    {
      "page": "data.gen.SW",
      "title": "Generate predictor and response data: Sinewave model",
      "topics": [
        "data.gen.SW"
      ]
    },
    {
      "page": "data.gen.tar1",
      "title": "Generate predictor and response data from TAR1 model.",
      "topics": [
        "data.gen.tar1"
      ]
    },
    {
      "page": "data.gen.tar2",
      "title": "Generate predictor and response data from TAR2 model.",
      "topics": [
        "data.gen.tar2"
      ]
    },
    {
      "page": "data.HL",
      "title": "Sample data: Hysteresis loop",
      "topics": [
        "data.HL"
      ]
    },
    {
      "page": "data.SW1",
      "title": "Sample data: Sinewave model 1 (SW1)",
      "topics": [
        "data.SW1"
      ]
    },
    {
      "page": "data.SW3",
      "title": "Sample data: Sinewave model 3 (SW3)",
      "topics": [
        "data.SW3"
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    {
      "page": "dwt.vt",
      "title": "Variance Transformation Operation - MRA",
      "topics": [
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    },
    {
      "page": "dwt.vt.val",
      "title": "Variance Transformation Operation for Validation",
      "topics": [
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    {
      "page": "fig.dwt.vt",
      "title": "Plot function: Variance structure before and after variance transformation",
      "topics": [
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    {
      "page": "Ind_AWAP.2.5",
      "title": "Sample data: Index of AWAP grids with no missing data",
      "topics": [
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    },
    {
      "page": "knn",
      "title": "Modified k-nearest neighbour conditional bootstrap or regression function estimation with extrapolation",
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      "title": "Sample data: Latitude and longitude of AWAP grids",
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      "title": "Variance Transformation Operation - MODWT",
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      "title": "Variance Transformation Operation for Validation",
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    {
      "page": "non.bdy",
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    {
      "page": "padding",
      "title": "Padding data to dyadic sample size",
      "topics": [
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    {
      "page": "pic.calc",
      "title": "Calculate PIC",
      "topics": [
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    },
    {
      "page": "r2.boot",
      "title": "R2 threshold by re-sampling approach",
      "topics": [
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    },
    {
      "page": "rain.mon",
      "title": "Sample data: Rainfall station data over Sydney region",
      "topics": [
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    },
    {
      "page": "scal2freqM",
      "title": "Scale to frequency by Matlab",
      "topics": [
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    },
    {
      "page": "scal2freqR",
      "title": "Scale to frequency by R",
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      "title": "Sample data: Standardized Precipitation Index with 12 month accumulation period.",
      "topics": [
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    },
    {
      "page": "SPI.calc",
      "title": "Calculate Standardized Precipitation Index, SPI",
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    {
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    {
      "page": "wave.var",
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      "topics": [
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      "source": "WASP.Rmd",
      "filename": "WASP.html",
      "title": "WASP: An R package for Wavelet System Prediction",
      "author": "Ze Jiang, Md. Mamunur Rashid, Ashish Sharma, and Fiona Johnson",
      "engine": "knitr::rmarkdown",
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        "Required packages",
        "DWT, MODWT and AT basic propertites",
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        "Wavelet transform: decompostion level",
        "Variance transformation",
        "Optimal preditive accuracy (RMSE)",
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        "Stepwise variance transformation"
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      "created": "2020-05-03 02:19:13",
      "modified": "2024-08-04 23:35:09",
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