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Residual vs Fitted

Linear-model diagnostic — residuals vs fitted values with LOESS overlay.

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{
  "data": [
    {
      "type":"scatter","mode":"markers",
      "x":[1.1,1.8,2.4,3.0,3.6,4.2,4.8,5.3,5.9,6.5,7.0,7.6,8.1],
      "y":[0.4,-0.2,0.1,-0.5,0.6,-0.1,0.2,-0.4,0.7,-0.3,0.5,-0.6,0.1],
      "marker":{"size":8,"color":"#3666ff"},
      "name":"Residual"
    },
    {
      "type":"scatter","mode":"lines",
      "x":[1.1,3.0,5.0,7.0,8.1],
      "y":[0.05,-0.05,0.10,-0.05,0.05],
      "line":{"color":"#dc2626","width":2,"shape":"spline"},
      "name":"LOESS"
    },
    {
      "type":"scatter","mode":"lines",
      "x":[1.1,8.1],"y":[0,0],
      "line":{"color":"#94a3b8","dash":"dash"},
      "name":"Zero"
    }
  ],
  "layout": {
    "title":"Residuals vs Fitted",
    "xaxis":{"title":"Fitted values"},
    "yaxis":{"title":"Residual"}
  }
}