I got a little further
Below code gives me 3 columns but I need just 2 to draw a pie chart. How do
I combine 2 columns?
Answer Vendor Answer
noB,D2
yesA,C,E3
<html>
<head>
<script type="text/javascript"
src="https://www.google.com/jsapi";></script>
<script type="text/javascript">
function getValues(values) {
return String(values);
}
google.load("visualization", "1", {packages:["corechart","table"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data1 = google.visualization.arrayToDataTable([
['Vendor', 'Answer'],
['A', 'yes'],
['B', 'no'],
['C', 'yes'],
['D', 'no'],
['E', 'yes']
]);
var result = google.visualization.data.group(data1, [1],[{column:0,
'aggregation':getValues, type:'string'},{'column': 1, 'aggregation':
google.visualization.data.count, 'type': 'number'}])
var options = {
title: 'Vendor analysis'
};
//var chart = new
google.visualization.PieChart(document.getElementById('piechart'));
var table = new
google.visualization.Table(document.getElementById('piechart'));
//chart.draw(data, options);
table.draw(result, {showRowNumber: true});
}
</script>
</head>
<body>
<div id="piechart" style="width: 900px; height: 500px;"></div>
</body>
</html>
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