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Hallo,
my .csv file looks like that:
course_id,userid_DI,start_time_DI LavalX/CB22x/2013_Spring,MHxPC130442623,2012-12-19
I want to draw a graph displaying the number of user (userid_DI column) per day (start_time_DI column) and for a given course (course_id column).
I’m getting a blank page with just the title “Basic Column Chart – CanvasJS”. What is going wrong please? Thanks.
This is the code I am running:
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <script type="text/javascript" src="jquery-2.1.4.js"></script> <script type="text/javascript"> $(document).ready(function () { $.ajax({ type: "GET", url:"figure1.csv", dataType: "text", success: function(data) {processData(data);} }); function processData( allText ) { var allLinesArray = allText.split("\n"); if( allLinesArray.length > 0 ){ var dataPoints = []; for (var i = 0; i <= allLinesArray.length-1; i++) { var rowData = allLinesArray[i].split(","); dataPoints.push({ label:rowData[2], y:parseInt(rowData[1]) }); } drawChart(dataPoints); } } var chart = new CanvasJS.Chart("chartContainer", { theme: "theme2", title: { text: "Basic Column Chart – CanvasJS" }, data: [ { type: "column", dataPoints: [] } ] }); chart.render(); }); </script> <script type="text/javascript" src="canvasjs.min.js"></script> </head> <body style="background-color: #ADB68B; background-image:url(../Images/bg_body_new.png); background-repeat: repeat-x;text-align:center"> <div id="chartContainer" style="height: 800px; width: 100%; background-image:url("fonto1.png"); background-repeat:no-repeat; background-position:center; background-size:100% 100%"></div> <div style="text-align: center; color:red; font-size:25px;"><b>Figure</b></div> </body> </html>