var chart = c3.generate({ bindto: '#pkgchart', size: { height: 260 //width: 480 }, data: { columns: [ ['Trend',1959,1967,2014,1775,742,921,1933,1861,2128,1752,2123,1026,958,1846,1894,2034,2411,1680,825,892,1892,2102,2186,2142,1766,1034,1053,2008,2291,2296], ['Bars',1959,1967,2014,1775,742,921,1933,1861,2128,1752,2123,1026,958,1846,1894,2034,2411,1680,825,892,1892,2102,2186,2142,1766,1034,1053,2008,2291,2296] ], axes: { Bars: 'y2' }, types: { Bars: 'bar' // ADD }, colors: { Trend: 'green', Bars: 'orange' } }, axis: { y: { label: { text: 'Downloads for rstan', position: 'outer-middle' } }, y2: { show: false, label: { text: 'Y2 Label', position: 'outer-middle' } }, x: { type: 'category', categories: ['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','01/30','01/31','02/01','02/02','02/03','02/04','02/05','02/06','02/07','02/08','02/09','02/10','02/11','02/12'], tick: { rotate: -80, multiline: false } } } });