var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',9,24,7,38,21,4,1,16,31,68,37,22,44,4], ['Bars',9,24,7,38,21,4,1,16,31,68,37,22,44,4] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for RcppPlanc', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['03/25','03/26','03/27','03/28','03/29','03/30','04/05','04/07','04/08','04/09','04/10','04/11','04/12','04/13'], tick: { rotate: -80, multiline: false } } } });