var data1 = [
    {name: 'A', value: .08167},
    {name: 'B', value: .01492},
    {name: 'C', value: .02782},
    {name: 'D', value: .04253},
    {name: 'E', value: .12702},
    {name: 'F', value: .02288},
    {name: 'G', value: .02015},
    {name: 'H', value: .06094},
    {name: 'I', value: .06966},
    {name: 'J', value: .00153},
    {name: 'K', value: .00772},
    {name: 'L', value: .04025},
    {name: 'M', value: .02406},
    {name: 'N', value: .06749},
    {name: 'O', value: .07507},
    {name: 'P', value: .01929},
    {name: 'Q', value: .00095},
    {name: 'R', value: .05987},
    {name: 'S', value: .06327},
    {name: 'T', value: .09056},
    {name: 'U', value: .02758},
    {name: 'V', value: .00978},
    {name: 'W', value: .02360},
    {name: 'X', value: .00150},
    {name: 'Y', value: .01974},
    {name: 'Z', value: .00074},
];

var options1 = {
    id: "demo1",
    width: 1100, 
    height: 600,
    data: {
        plain: data1,
    },
    title: {
        text: "Frequency of English Letters"
    }
};

var pieChart = new C9.PieChart(options1);
pieChart.draw();