var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',108,173,155,155,156,173,197,251,249,207,156,194,273,297,282,229,252,163,160,251,261,274,267,238,215,117,206,252,324], ['Bars',108,173,155,155,156,173,197,251,249,207,156,194,273,297,282,229,252,163,160,251,261,274,267,238,215,117,206,252,324] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for pubmedR', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['01/01','01/02','01/03','01/04','01/05','01/06','01/07','01/08','01/09','01/10','01/11','01/12','01/13','01/14','01/15','01/16','01/17','01/18','01/19','01/20','01/21','01/22','01/23','01/24','01/25','01/26','01/27','01/28','01/29'], tick: { rotate: -80, multiline: false } } } });