A simple representation of one value.
<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" : { "cyl" : ["6-Cyl","6-Cyl","4-Cyl","6-Cyl","8-Cyl","6-Cyl","8-Cyl","4-Cyl","4-Cyl","6-Cyl","6-Cyl","8-Cyl","8-Cyl","8-Cyl","8-Cyl","8-Cyl","8-Cyl","4-Cyl","4-Cyl","4-Cyl","4-Cyl","8-Cyl","8-Cyl","8-Cyl","8-Cyl","4-Cyl","4-Cyl","4-Cyl","8-Cyl","6-Cyl","8-Cyl","4-Cyl"] }, "y" : { "data" : [ [21,21,22.8,21.4,18.7,18.1,14.3,24.4,22.8,19.2,17.8,16.4,17.3,15.2,10.4,10.4,14.7,32.4,30.4,33.9,21.5,15.5,15.2,13.3,19.2,27.3,26,30.4,15.8,19.7,15,21.4] ], "smps" : ["Mazda RX4","Mazda RX4 Wag","Datsun 710","Hornet 4 Drive","Hornet Sportabout","Valiant","Duster 360","Merc 240D","Merc 230","Merc 280","Merc 280C","Merc 450SE","Merc 450SL","Merc 450SLC","Cadillac Fleetwood","Lincoln Continental","Chrysler Imperial","Fiat 128","Honda Civic","Toyota Corolla","Toyota Corona","Dodge Challenger","AMC Javelin","Camaro Z28","Pontiac Firebird","Fiat X1-9","Porsche 914-2","Lotus Europa","Ford Pantera L","Ferrari Dino","Maserati Bora","Volvo 142E"], "vars" : ["mpg"] } } // Create the configuration for the graph var config = { "graphType":"Meter", "meterGroup":"cyl", "meterSummary":"average", "meterType":"gauge", "meterVar":"mpg" } // 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-meter4-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-meter4-smp.txt", header=TRUE, sep="\t", quote="", row.names=1, fill=TRUE, check.names=FALSE, stringsAsFactors=FALSE) canvasXpress( data=y, smpAnnot=x, graphType="Meter", meterGroup="cyl", meterSummary="average", meterType="gauge", meterVar="mpg" )