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  "Package": "ERP",
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  "Title": "Significance Analysis of Event-Related Potentials Data",
  "Version": "2.2",
  "Date": "2019-12-10",
  "Author": "David Causeur, Ching-Fan Sheu, Mei-Chen Chu, Flavia Rufini",
  "Maintainer": "David Causeur <david.causeur@agrocampus-ouest.fr>",
  "Description": "Functions for signal detection and identification designed\nfor Event-Related Potentials (ERP) data in a linear model\nframework. The functional F-test proposed in Causeur, Sheu,\nPerthame, Rufini (2018, submitted) for analysis of variance\nissues in ERP designs is implemented for signal detection\n(tests for mean difference among groups of curves in One-way\nANOVA designs for example). Once an experimental effect is\ndeclared significant, identification of significant intervals\nis achieved by the multiple testing procedures reviewed and\ncompared in Sheu, Perthame, Lee and Causeur (2016,\n<DOI:10.1214/15-AOAS888>). Some of the methods gathered in the\npackage are the classical FDR- and FWER-controlling procedures,\nalso available using function p.adjust. The package also\nimplements the Guthrie-Buchwald procedure (Guthrie and\nBuchwald, 1991 <DOI:10.1111/j.1469-8986.1991.tb00417.x>), which\naccounts for the auto-correlation among t-tests to control\nerroneous detection of short intervals. The Adaptive\nFactor-Adjustment method is an extension of the method\ndescribed in Causeur, Chu, Hsieh and Sheu (2012,\n<DOI:10.3758/s13428-012-0230-0>). It assumes a factor model for\nthe correlation among tests and combines adaptively the\nestimation of the signal and the updating of the dependence\nmodelling (see Sheu et al., 2016, <DOI:10.1214/15-AOAS888> for\nfurther details).",
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    "erpfatest",
    "erpFtest",
    "erpplot",
    "erptest",
    "gbtest",
    "ifa",
    "isqrtfa",
    "nbfactors"
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      "name": "impulsivity",
      "title": "Event-Related Potentials data from a study conducted by Shen et al. (2014) to investigate neural correlates of impulsive behavior.",
      "object": "impulsivity",
      "file": "impulsivity.rda",
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      "table": true,
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  "_help": [
    {
      "page": "ERP-package",
      "title": "Significance Analysis of Event-Related Potentials Data: Significance Analysis of Event-Related Potentials Data",
      "topics": [
        "ERP-package",
        "ERP"
      ]
    },
    {
      "page": "emfa",
      "title": "Expectation-Maximization (EM) estimation of a factor model.",
      "topics": [
        "emfa"
      ]
    },
    {
      "page": "erpavetest",
      "title": "Significance testing of averaged ERPs.",
      "topics": [
        "erpavetest"
      ]
    },
    {
      "page": "erpfatest",
      "title": "Adaptive Factor-Adjustement for multiple testing of ERP data",
      "topics": [
        "erpfatest"
      ]
    },
    {
      "page": "erpFtest",
      "title": "Functional Analysis-of-Variance (Anova) testing of Event-Related Potentials (ERP) data",
      "topics": [
        "erpFtest"
      ]
    },
    {
      "page": "erpplot",
      "title": "Plot of ERP curves or effect curves (difference curve for example) with confidence intervals.",
      "topics": [
        "erpplot"
      ]
    },
    {
      "page": "erptest",
      "title": "FDR- and FWER-controlling Multiple testing of ERP data",
      "topics": [
        "erptest"
      ]
    },
    {
      "page": "gbtest",
      "title": "The Guthrie-Buchwald procedure for significance analysis of ERP data",
      "topics": [
        "gbtest"
      ]
    },
    {
      "page": "ifa",
      "title": "Inverse of a matrix based on its factor decomposition.",
      "topics": [
        "ifa"
      ]
    },
    {
      "page": "impulsivity",
      "title": "Event-Related Potentials data from a study conducted by Shen et al. (2014) to investigate neural correlates of impulsive behavior.",
      "topics": [
        "impulsivity"
      ]
    },
    {
      "page": "isqrtfa",
      "title": "Inverse square-root of a matrix based on its factor decomposition.",
      "topics": [
        "isqrtfa"
      ]
    },
    {
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      "title": "Determination of the number of factors in high dimensional factor models.",
      "topics": [
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      ]
    }
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      "source": "ERP.Rmd",
      "filename": "ERP.html",
      "title": "ERP: Significance Analysis of Event-Related Potentials",
      "author": "David Causeur, Ching-Fan Sheu",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "ERPs and impulsivity",
        "Installing the package",
        "Importing impulsivity ERP data",
        "Plotting ERP data and effect curves",
        "Multipanel plots of ERP curves",
        "Plots of effect curves",
        "Signal detection: significance of effect curves",
        "Functional Analysis of Variance of ERP curves",
        "Selecting significant effects in an ANOVA design",
        "Fitted effect curves with the optimal model",
        "Signal identification: significant time intervals",
        "Averaging ERP curves in preselected time intervals",
        "Control of the False Discovery Rate",
        "The Guthrie-Buchwald procedure",
        "The Adapative Factor-Adjustment method",
        "Conclusions",
        "References"
      ],
      "created": "2026-10-12 08:02:00",
      "modified": "2026-10-12 08:02:00",
      "commits": 1
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