Waterfall Chart

A waterfall chart is a form of data visualization that helps in understanding the cumulative effect of sequentially introduced positive or negative values. These intermediate values can either be time based or category based.


Example Color Themes

Example Fonts

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Show Code

Tools

<head>
  <!-- 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/dist/canvasXpress.min.js"></script>
</head>

<body>

  <!-- 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 = {
       "x" : {
          "Treatment" : ["Trt-2","Trt-2","Trt-2","Trt-2","Trt-2","Trt-1","Trt-1","Trt-1","Trt-1","Trt-1","Trt-1","Trt-1","Trt-2","Trt-1","Trt-1","Trt-1","Trt-1","Trt-2","Trt-1","Trt-1","Trt-1","Trt-1","Trt-1","Trt-2","Trt-1","Trt-2","Trt-1","Trt-2","Trt-1","Trt-1","Trt-2","Trt-1","Trt-2","Trt-2","Trt-2","Trt-1","Trt-2","Trt-2","Trt-2","Trt-1","Trt-2","Trt-1","Trt-2","Trt-2","Trt-2","Trt-2","Trt-1","Trt-2","Trt-1","Trt-2","Trt-2","Trt-2","Trt-2","Trt-1","Trt-1"]
       },
       "y" : {
          "data" : [
            [109.09,89.65,57.14,54.54,52.38,47.05,42.1,37.28,36.66,36.53,32.65,32.07,31.48,29.62,29.5,29.16,28.57,28,27.45,23.07,21.56,20.75,19.23,18.75,17.64,17.3,16,15.25,15.15,14.54,13.04,11.76,10.9,7.4,7.14,7.01,6.89,4.61,3.22,2.94,1.88,0,0,-1.67,-3.71,-3.93,-4.23,-4.42,-4.69,-5.18,-6.67,-10.53,-12.31,-19.24,-29.89]
          ],
          "smps" : ["Sub-253","Sub-337","Sub-193","Sub-313","Sub-217","Sub-37","Sub-169","Sub-55","Sub-19","Sub-145","Sub-103","Sub-49","Sub-205","Sub-97","Sub-79","Sub-67","Sub-115","Sub-325","Sub-43","Sub-109","Sub-91","Sub-157","Sub-151","Sub-343","Sub-139","Sub-319","Sub-85","Sub-181","Sub-175","Sub-127","Sub-271","Sub-163","Sub-211","Sub-187","Sub-307","Sub-73","Sub-229","Sub-235","Sub-241","Sub-31","Sub-223","Sub-25","Sub-295","Sub-301","Sub-265","Sub-331","Sub-121","Sub-199","Sub-133","Sub-259","Sub-277","Sub-355","Sub-283","Sub-1","Sub-61"],
          "vars" : ["QoL-Score"]
       }
    }
    
    
    // Create the configuration for the graph
    var config = {
       "graphOrientation":"vertical",
       "graphType":"Bar",
       "segregateSamplesBy":[
          "Treatment"
       ],
       "showLegend":false,
       "showSampleNames":false,
       "stripBackgroundBorderColor":"rgb(0,0,0)",
       "stripTextColor":"rgb(0,0,0)",
       "title":"Waterfall plot changes in QoL scores",
       "xAxisTitle":"Change from baseline (%) in QoL score"
    }
    

    // Call the CanvasXpress function to create the graph
    var cX = new CanvasXpress("canvasId", data, config);


  </script>

</body>

library(canvasXpress)
y=read.table("https://www.canvasxpress.org/data/cX-waterfall-dat.txt", header=TRUE, sep="\t", quote="", row.names=1, fill=TRUE, check.names=FALSE, stringsAsFactors=FALSE)
x=read.table("https://www.canvasxpress.org/data/cX-waterfall-smp.txt", header=TRUE, sep="\t", quote="", row.names=1, fill=TRUE, check.names=FALSE, stringsAsFactors=FALSE)
canvasXpress(
  data=y,
  smpAnnot=x,
  graphOrientation="vertical",
  graphType="Bar",
  segregateSamplesBy=list("Treatment"),
  showLegend=FALSE,
  showSampleNames=FALSE,
  stripBackgroundBorderColor="rgb(0,0,0)",
  stripTextColor="rgb(0,0,0)",
  title="Waterfall plot changes in QoL scores",
  xAxisTitle="Change from baseline (%) in QoL score"
)
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