Scatter2D Chart

A scatterplot displays the relationship between 2 numeric variables. For each data point, the value of its first variable is represented on the X axis, the second on the Y axis.


Example Color Themes

Example Fonts



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<!-- Include the CanvasXpress library in your HTML file -->
<link rel="stylesheet" href="https://www.canvasxpress.org/dist/canvasXpress.css" type="text/css"/>
<script src="https://www.canvasxpress.org/canvasXpress.min.js"></script>


<!-- Create a canvas element for the chart with the desired dimensions -->
<div>
  <canvas id="canvasId" width="600" height="600"</canvas>
</div>


<!-- Create a script to initialize the chart -->
<script>

  <!-- Create the data for the graph -->
  var data = {
     "y" : {
        "data" : [
          [38.4,27.7,25.7,53.1,30.6,30.2],
          [46.2,57.2,41.9,54.7,43.3,56.7],
          [72.5,57.9,51.9,74.2,53.4,42.4],
          [38,38,32.2,49.6,37.4,34.4],
          [82.8,57.9,64.7,53.6,48.6,44.8],
          [33.9,32,31.4,51.3,35.5,42.9],
          [50.4,40.6,40.1,44.1,46.9,42.7],
          [35,33.1,43.2,34,26.4,24.8],
          [32.8,26.8,33.9,34.5,25.1,25.1],
          [60.1,53.2,40.4,59.1,87.1,59.2],
          [75.1,63.1,58,67.3,43.8,42.2],
          [57.6,57.7,61.5,75.5,126.6,48.4],
          [55.5,63.3,44.6,41.1,41.8,32],
          [49.5,45.8,35.3,52.2,53.8,48.1],
          [40.9,35.7,37.2,28.3,26,33.7],
          [44.3,46.8,39.4,74.9,45.3,42.6],
          [93.8,91.9,77.4,77.5,55.8,54.9],
          [47.9,59.9,52.8,50.9,58.6,64.5],
          [75.2,54.1,63.6,70.1,44,43.1],
          [46.2,39.3,56.6,60.3,47.8,52.8],
          [56.3,45.8,58.9,59.9,36.8,44.3]
        ],
        "desc" : ["time in seconds"],
        "smps" : ["U-Trial 1","U-Trial 2","U-Trial 3","S-Trial 1","S-Trial 2","S-Trial 3"],
        "vars" : ["s1","s2","s3","s4","s5","s6","s7","s8","s9","s10","s11","s12","s13","s14","s15","s16","s17","s18","s19","s20","s21"]
     },
     "z" : {
        "Age" : [23,43,43,32,15,37,26,35,26,31,35,55,25,39,25,26,33,62,54,38,65],
        "Opinion" : ["pos","neg","pos","neg","neg","pos","pos","pos","pos","indiff","pos","indiff","pos","indiff","indiff","pos","neg","neg","pos","neg","neg"],
        "Order" : ["1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2","1","2","1"],
        "Sex" : ["M","F","M","M","M","F","F","F","M","F","F","F","F","M","M","M","M","M","F","F","M"],
        "Smoker" : ["N","Y","N","N","N","Y","N","N","N","N","Y","Y","Y","Y","N","N","Y","N","Y","N","N"]
     }
  }
  
  
  <-- Create the configuration for the graph -->
  var config = {
     "citation":"Hirsch, A. R., and Johnston, L. H. Odors and Learning, Smell & Taste Treatment and Research Foundation, Chicago.",
     "colorScheme":"White",
     "graphType":"Scatter2D",
     "histogramBins":"5",
     "histogramStat":"count",
     "legendBox":"true",
     "objectBorderColor":"rgb(0,0,0)",
     "setMaxX":"100",
     "setMaxY":"150",
     "setMinX":"0",
     "setMinY":"0",
     "shapeBy":"Smoker",
     "sizeBy":"Age",
     "theme":"CanvasXpress",
     "title":"Data on the time subjects required to complete a pencil and paper maze\\nwhen they were smelling a floral scent and when they were not.",
     "xAxis":[
        "U-Trial 1",
        "U-Trial 2",
        "U-Trial 3"
     ],
     "xAxisExact":"true",
     "xAxisHistogramShow":"true",
     "yAxis":[
        "S-Trial 1",
        "S-Trial 2",
        "S-Trial 3"
     ],
     "yAxisExact":"true",
     "yAxisHistogramShow":"true"
  }
  

  <!-- Call the CanvasXpress function to create the graph -->
  var cX = new CanvasXpress("canvasId", data, config);


</script>
library(canvasXpress)
y=read.table("https://www.canvasxpress.org/data/cX-scentst-dat.txt", header=TRUE, sep="\t", quote="", row.names=1, fill=TRUE, check.names=FALSE, stringsAsFactors=FALSE)
z=read.table("https://www.canvasxpress.org/data/cX-scentst-var.txt", header=TRUE, sep="\t", quote="", row.names=1, fill=TRUE, check.names=FALSE, stringsAsFactors=FALSE)
canvasXpress(
  data=y,
  varAnnot=z,
  citation="Hirsch, A. R., and Johnston, L. H. Odors and Learning, Smell & Taste Treatment and Research Foundation, Chicago.",
  colorScheme="White",
  graphType="Scatter2D",
  histogramBins=5,
  histogramStat="count",
  legendBox=TRUE,
  objectBorderColor="rgb(0,0,0)",
  setMaxX=100,
  setMaxY=150,
  setMinX=0,
  setMinY=0,
  shapeBy="Smoker",
  sizeBy="Age",
  theme="CanvasXpress",
  title="Data on the time subjects required to complete a pencil and paper maze\nwhen they were smelling a floral scent and when they were not.",
  xAxis=list("U-Trial 1", "U-Trial 2", "U-Trial 3"),
  xAxisExact=TRUE,
  xAxisHistogramShow=TRUE,
  yAxis=list("S-Trial 1", "S-Trial 2", "S-Trial 3"),
  yAxisExact=TRUE,
  yAxisHistogramShow=TRUE
)