var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',18,12,31,4,3,32,8,6,42,15,8,39,6,9,42,4,4,41], ['Bars',18,12,31,4,3,32,8,6,42,15,8,39,6,9,42,4,4,41] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for dsTidyverse', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['10/25','10/26','10/27','10/28','10/29','10/30','10/31','11/01','11/02','11/03','11/04','11/05','11/06','11/07','11/08','11/09','11/10','11/11'], tick: { rotate: -80, multiline: false } } } });