var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',40,21,201,67,52,512,42,35,33,71,50,369,110,127,55,29,133,82,370,85,64,24,25,108,79,370,62,66,26], ['Bars',40,21,201,67,52,512,42,35,33,71,50,369,110,127,55,29,133,82,370,85,64,24,25,108,79,370,62,66,26] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for rgdal', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['04/20','04/21','04/22','04/23','04/24','04/25','04/26','04/27','04/28','04/29','04/30','05/01','05/02','05/03','05/04','05/05','05/06','05/07','05/08','05/09','05/10','05/11','05/12','05/13','05/14','05/15','05/16','05/17','05/18'], tick: { rotate: -80, multiline: false } } } });