var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',14,14,1,13,2,1,13,1,12,2,15,1,12,1,12,3,12,12,2], ['Bars',14,14,1,13,2,1,13,1,12,2,15,1,12,1,12,3,12,12,2] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for wiseR', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['02/05','02/08','02/09','02/11','02/12','02/13','02/14','02/16','02/17','02/18','02/20','02/21','02/23','02/24','02/26','02/27','03/01','03/04','03/05'], tick: { rotate: -80, multiline: false } } } });