{
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  "Package": "estimators",
  "Title": "Parameter Estimation",
  "Version": "0.12.0",
  "Authors@R": "c(\nperson(\"Ioannis\", \"Oikonomidis\", , \"goikon@math.uoa.gr\",\nrole = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0000-0001-8130-2104\")),\nperson(\"Samis\", \"Trevezas\", , \"strevezas@math.uoa.gr\",\nrole = c(\"aut\", \"ths\"),\ncomment = c(ORCID = \"0000-0003-2262-8299\"))\n)",
  "Description": "Implements an S4 distribution system and estimation\nmethods for parameters of common distribution families. The\ncommon d, p, q, r function family for each distribution is\nenriched with the ll, e, and v counterparts, computing the\nlog-likelihood, performing estimation, and calculating the\nasymptotic variance - covariance matrix, respectively.\nParameter estimation is performed analytically whenever\npossible.",
  "License": "GPL (>= 3)",
  "URL": "https://thechibo.github.io/estim",
  "BugReports": "https://github.com/thechibo/estim/issues",
  "VignetteBuilder": "knitr",
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  "Repository": "https://thechibo.r-universe.dev",
  "Date/Publication": "2025-04-25 16:45:20 UTC",
  "RemoteUrl": "https://github.com/thechibo/estim",
  "RemoteRef": "HEAD",
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  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-17 05:53:28 UTC",
    "User": "root"
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  "Author": "Ioannis Oikonomidis [aut, cre] (ORCID:\n<https://orcid.org/0000-0001-8130-2104>),\nSamis Trevezas [aut, ths] (ORCID:\n<https://orcid.org/0000-0003-2262-8299>)",
  "Maintainer": "Ioannis Oikonomidis <goikon@math.uoa.gr>",
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  "_user": "thechibo",
  "_type": "src",
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  "_created": "2026-05-17T05:53:28.000Z",
  "_published": "2026-06-02T17:49:31.314Z",
  "_distro": "noble",
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    "orcid": "0000-0001-8130-2104",
    "description": "I am a postdoc researcher at the Management Science Laboratory of AUEB, working on electricity dynamic pricing.",
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  "_topics": [
    "estimation",
    "maximum-likelihood-estimation",
    "moment-estimation",
    "probability-distribution",
    "statistics"
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    "name": "Ioannis Oikonomidis",
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  "_exports": [
    "avar",
    "avar_me",
    "avar_mle",
    "avar_same",
    "Bern",
    "Beta",
    "Binom",
    "Cat",
    "Cauchy",
    "Chisq",
    "d",
    "dbern",
    "dcat",
    "Ddigamma",
    "ddir",
    "Dir",
    "dlaplace",
    "dmultigam",
    "Dtrigamma",
    "e",
    "ebern",
    "ebeta",
    "ebinom",
    "ecat",
    "ecauchy",
    "echisq",
    "edirichlet",
    "eexp",
    "egamma",
    "egeom",
    "elaplace",
    "elnorm",
    "emultigam",
    "emultinom",
    "enbinom",
    "enorm",
    "entro",
    "epois",
    "eunif",
    "eweib",
    "Exp",
    "finf",
    "Fisher",
    "Gam",
    "gammap",
    "Geom",
    "idigamma",
    "kurt",
    "Laplace",
    "large_metrics",
    "LargeMetrics",
    "ll",
    "llbern",
    "llbeta",
    "llbinom",
    "llcat",
    "llcauchy",
    "llchisq",
    "lldirichlet",
    "llexp",
    "llf",
    "llgamma",
    "llgeom",
    "lllaplace",
    "lllnorm",
    "llmultigam",
    "llmultinom",
    "llnbinom",
    "llnorm",
    "llpois",
    "llt",
    "llunif",
    "llweib",
    "Lnorm",
    "me",
    "mean",
    "median",
    "mle",
    "mode",
    "moments",
    "Multigam",
    "Multinom",
    "Nbinom",
    "Norm",
    "p",
    "pbern",
    "plot",
    "Pois",
    "qbern",
    "qn",
    "r",
    "rbern",
    "rcat",
    "rdir",
    "rmultigam",
    "same",
    "sd",
    "skew",
    "small_metrics",
    "SmallMetrics",
    "Stud",
    "Unif",
    "var",
    "vbern",
    "vbeta",
    "vbinom",
    "vcat",
    "vcauchy",
    "vchisq",
    "vdirichlet",
    "vexp",
    "vgamma",
    "vgeom",
    "vlaplace",
    "vlnorm",
    "vmultigam",
    "vmultinom",
    "vnbinom",
    "vnorm",
    "vpois",
    "vweib",
    "Weib"
  ],
  "_help": [
    {
      "page": "avar",
      "title": "Asymptotic Variance",
      "topics": [
        "avar",
        "avar_me",
        "avar_mle",
        "avar_same"
      ]
    },
    {
      "page": "Bern",
      "title": "Bern Distribution",
      "topics": [
        "avar_me,Bern-method",
        "avar_mle,Bern-method",
        "Bern",
        "d,Bern,numeric-method",
        "dbern",
        "ebern",
        "entro,Bern-method",
        "finf,Bern-method",
        "kurt,Bern-method",
        "ll,Bern,numeric-method",
        "llbern",
        "me,Bern,numeric-method",
        "mean,Bern-method",
        "median,Bern-method",
        "mle,Bern,numeric-method",
        "mode,Bern-method",
        "p,Bern,numeric-method",
        "pbern",
        "qbern",
        "qn,Bern,numeric-method",
        "r,Bern,numeric-method",
        "rbern",
        "sd,Bern-method",
        "skew,Bern-method",
        "var,Bern-method",
        "vbern"
      ]
    },
    {
      "page": "Beta",
      "title": "Beta Distribution",
      "topics": [
        "avar_me,Beta-method",
        "avar_mle,Beta-method",
        "avar_same,Beta-method",
        "Beta",
        "d,Beta,numeric-method",
        "ebeta",
        "entro,Beta-method",
        "finf,Beta-method",
        "kurt,Beta-method",
        "ll,Beta,numeric-method",
        "llbeta",
        "me,Beta,numeric-method",
        "mean,Beta-method",
        "median,Beta-method",
        "mle,Beta,numeric-method",
        "mode,Beta-method",
        "p,Beta,numeric-method",
        "qn,Beta,numeric-method",
        "r,Beta,numeric-method",
        "same,Beta,numeric-method",
        "sd,Beta-method",
        "skew,Beta-method",
        "var,Beta-method",
        "vbeta"
      ]
    },
    {
      "page": "Binom",
      "title": "Binom Distribution",
      "topics": [
        "avar_me,Binom-method",
        "avar_mle,Binom-method",
        "Binom",
        "d,Binom,numeric-method",
        "ebinom",
        "entro,Binom-method",
        "finf,Binom-method",
        "kurt,Binom-method",
        "ll,Binom,numeric-method",
        "llbinom",
        "me,Binom,numeric-method",
        "mean,Binom-method",
        "mle,Binom,numeric-method",
        "p,Binom,numeric-method",
        "qn,Binom,numeric-method",
        "r,Binom,numeric-method",
        "sd,Binom-method",
        "skew,Binom-method",
        "var,Binom-method",
        "vbinom"
      ]
    },
    {
      "page": "Cat",
      "title": "Cat Distribution",
      "topics": [
        "avar_me,Cat-method",
        "avar_mle,Cat-method",
        "Cat",
        "d,Cat,numeric-method",
        "dcat",
        "ecat",
        "entro,Cat-method",
        "finf,Cat-method",
        "ll,Cat,numeric-method",
        "llcat",
        "me,Cat,numeric-method",
        "mean,Cat-method",
        "mle,Cat,numeric-method",
        "mode,Cat-method",
        "r,Cat,numeric-method",
        "rcat",
        "var,Cat-method",
        "vcat"
      ]
    },
    {
      "page": "Cauchy",
      "title": "Cauchy Distribution",
      "topics": [
        "avar_mle,Cauchy-method",
        "Cauchy",
        "d,Cauchy,numeric-method",
        "ecauchy",
        "entro,Cauchy-method",
        "finf,Cauchy-method",
        "kurt,Cauchy-method",
        "ll,Cauchy,numeric-method",
        "llcauchy",
        "me,Cauchy,numeric-method",
        "mean,Cauchy-method",
        "median,Cauchy-method",
        "mle,Cauchy,numeric-method",
        "mode,Cauchy-method",
        "p,Cauchy,numeric-method",
        "qn,Cauchy,numeric-method",
        "r,Cauchy,numeric-method",
        "sd,Cauchy-method",
        "skew,Cauchy-method",
        "var,Cauchy-method",
        "vcauchy"
      ]
    },
    {
      "page": "Chisq",
      "title": "Chi-Square Distribution",
      "topics": [
        "avar_me,Chisq-method",
        "avar_mle,Chisq-method",
        "Chisq",
        "d,Chisq,numeric-method",
        "echisq",
        "entro,Chisq-method",
        "finf,Chisq-method",
        "kurt,Chisq-method",
        "ll,Chisq,numeric-method",
        "llchisq",
        "me,Chisq,numeric-method",
        "mean,Chisq-method",
        "median,Chisq-method",
        "mle,Chisq,numeric-method",
        "mode,Chisq-method",
        "p,Chisq,numeric-method",
        "qn,Chisq,numeric-method",
        "r,Chisq,numeric-method",
        "sd,Chisq-method",
        "skew,Chisq-method",
        "var,Chisq-method",
        "vchisq"
      ]
    },
    {
      "page": "Dir",
      "title": "Dirichlet Distribution",
      "topics": [
        "avar_me,Dir-method",
        "avar_mle,Dir-method",
        "avar_same,Dir-method",
        "d,Dir,matrix-method",
        "d,Dir,numeric-method",
        "ddir",
        "Dir",
        "edirichlet",
        "entro,Dir-method",
        "finf,Dir-method",
        "ll,Dir,matrix-method",
        "lldirichlet",
        "me,Dir,matrix-method",
        "mean,Dir-method",
        "mle,Dir,matrix-method",
        "mode,Dir-method",
        "r,Dir,numeric-method",
        "rdir",
        "same,Dir,matrix-method",
        "var,Dir-method",
        "vdirichlet"
      ]
    },
    {
      "page": "DistrFunctionals",
      "title": "Distribution Functionals",
      "topics": [
        "d,Distribution,missing-method",
        "DistrFunctionals",
        "ll,Distribution,missing-method",
        "me,Distribution,missing-method",
        "mle,Distribution,missing-method",
        "p,Distribution,missing-method",
        "qn,Distribution,missing-method",
        "r,Distribution,missing-method",
        "same,Distribution,missing-method"
      ]
    },
    {
      "page": "Distributions",
      "title": "Distribution S4 Classes",
      "topics": [
        "d",
        "Distributions",
        "p",
        "q",
        "qn",
        "r"
      ]
    },
    {
      "page": "estimation",
      "title": "Parameter Estimation",
      "topics": [
        "e",
        "estimation",
        "me",
        "me,character,ANY-method",
        "mle",
        "mle,character,ANY-method",
        "same",
        "same,character,ANY-method"
      ]
    },
    {
      "page": "Exp",
      "title": "Exponential Distribution",
      "topics": [
        "avar_me,Exp-method",
        "avar_mle,Exp-method",
        "d,Exp,numeric-method",
        "eexp",
        "entro,Exp-method",
        "Exp",
        "finf,Exp-method",
        "kurt,Exp-method",
        "ll,Exp,numeric-method",
        "llexp",
        "me,Exp,numeric-method",
        "mean,Exp-method",
        "median,Exp-method",
        "mle,Exp,numeric-method",
        "mode,Exp-method",
        "p,Exp,numeric-method",
        "qn,Exp,numeric-method",
        "r,Exp,numeric-method",
        "sd,Exp-method",
        "skew,Exp-method",
        "var,Exp-method",
        "vexp"
      ]
    },
    {
      "page": "Fisher",
      "title": "Fisher Distribution",
      "topics": [
        "d,Fisher,numeric-method",
        "entro,Fisher-method",
        "Fisher",
        "kurt,Fisher-method",
        "ll,Fisher,numeric-method",
        "llf",
        "mean,Fisher-method",
        "median,Fisher-method",
        "mode,Fisher-method",
        "p,Fisher,numeric-method",
        "qn,Fisher,numeric-method",
        "r,Fisher,numeric-method",
        "sd,Fisher-method",
        "skew,Fisher-method",
        "var,Fisher-method"
      ]
    },
    {
      "page": "Gam",
      "title": "Gamma Distribution",
      "topics": [
        "avar_me,Gam-method",
        "avar_mle,Gam-method",
        "avar_same,Gam-method",
        "d,Gam,numeric-method",
        "egamma",
        "entro,Gam-method",
        "finf,Gam-method",
        "Gam",
        "kurt,Gam-method",
        "ll,Gam,numeric-method",
        "llgamma",
        "me,Gam,numeric-method",
        "mean,Gam-method",
        "median,Gam-method",
        "mle,Gam,numeric-method",
        "mode,Gam-method",
        "p,Gam,numeric-method",
        "qn,Gam,numeric-method",
        "r,Gam,numeric-method",
        "same,Gam,numeric-method",
        "sd,Gam-method",
        "skew,Gam-method",
        "var,Gam-method",
        "vgamma"
      ]
    },
    {
      "page": "Geom",
      "title": "Geometric Distribution",
      "topics": [
        "avar_me,Geom-method",
        "avar_mle,Geom-method",
        "d,Geom,numeric-method",
        "egeom",
        "entro,Geom-method",
        "finf,Geom-method",
        "Geom",
        "kurt,Geom-method",
        "ll,Geom,numeric-method",
        "llgeom",
        "me,Geom,numeric-method",
        "mean,Geom-method",
        "median,Geom-method",
        "mle,Geom,numeric-method",
        "mode,Geom-method",
        "p,Geom,numeric-method",
        "qn,Geom,numeric-method",
        "r,Geom,numeric-method",
        "sd,Geom-method",
        "skew,Geom-method",
        "var,Geom-method",
        "vgeom"
      ]
    },
    {
      "page": "idigamma",
      "title": "Polygamma Functions",
      "topics": [
        "Ddigamma",
        "Dtrigamma",
        "gammap",
        "idigamma"
      ]
    },
    {
      "page": "Laplace",
      "title": "Laplace Distribution",
      "topics": [
        "avar_me,Laplace-method",
        "avar_mle,Laplace-method",
        "d,Laplace,numeric-method",
        "dlaplace",
        "elaplace",
        "entro,Laplace-method",
        "finf,Laplace-method",
        "kurt,Laplace-method",
        "Laplace",
        "ll,Laplace,numeric-method",
        "lllaplace",
        "me,Laplace,numeric-method",
        "mean,Laplace-method",
        "median,Laplace-method",
        "mle,Laplace,numeric-method",
        "mode,Laplace-method",
        "p,Laplace,numeric-method",
        "qn,Laplace,numeric-method",
        "r,Laplace,numeric-method",
        "sd,Laplace-method",
        "skew,Laplace-method",
        "var,Laplace-method",
        "vlaplace"
      ]
    },
    {
      "page": "LargeMetrics",
      "title": "Large Sample Metrics",
      "topics": [
        "LargeMetrics",
        "large_metrics"
      ]
    },
    {
      "page": "Lnorm",
      "title": "Log-Normal Distribution",
      "topics": [
        "avar_me,Lnorm-method",
        "avar_mle,Lnorm-method",
        "d,Lnorm,numeric-method",
        "elnorm",
        "entro,Lnorm-method",
        "finf,Lnorm-method",
        "kurt,Lnorm-method",
        "ll,Lnorm,numeric-method",
        "lllnorm",
        "Lnorm",
        "me,Lnorm,numeric-method",
        "mean,Lnorm-method",
        "median,Lnorm-method",
        "mle,Lnorm,numeric-method",
        "mode,Lnorm-method",
        "p,Lnorm,numeric-method",
        "qn,Lnorm,numeric-method",
        "r,Lnorm,numeric-method",
        "sd,Lnorm-method",
        "skew,Lnorm-method",
        "var,Lnorm-method",
        "vlnorm"
      ]
    },
    {
      "page": "loglikelihood",
      "title": "Log-Likelihood Function",
      "topics": [
        "ll",
        "loglikelihood"
      ]
    },
    {
      "page": "moments",
      "title": "Moments - Parametric Quantities of Interest",
      "topics": [
        "entro",
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        "median",
        "mode",
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        "skew",
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      "page": "Multigam",
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  "_readme": "https://github.com/thechibo/estim/raw/HEAD/README.md",
  "_rundeps": [
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      "source": "estimators.Rmd",
      "filename": "estimators.html",
      "title": "An Introduction to estimators",
      "author": "Ioannis Oikonomidis",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "The estimators S4 Distribution System",
        "Probability Distributions",
        "Parametric Quantities of Interest",
        "Parameter Estimation",
        "Estimation Methods",
        "Log-likelihood",
        "Asymptotic Variance - Covariance Matrix",
        "Estimation Metrics and Comparison",
        "Documentation and Testing",
        "Defining New Classes and Methods",
        "Defining the Class",
        "Defining a Generator",
        "Defining Validity Checks",
        "Defining the Class Methods"
      ],
      "created": "2023-10-25 22:09:51",
      "modified": "2025-04-25 13:03:16",
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