nge(cols_cum);//d3.scaleSequential(function(a){return d3.interpolateRdBu(d3.scaleLog().domain([1.01*data_cmax,.99*data_cmin])(a))});//n=d3.scaleSequential(d3.interpolateRdBu).domain([1.01*data_cmax,data_cmin*0.99]);
	svg_c.selectAll("myViolin").data(g).enter().append("g").attr("transform",function(b){return"translate("+(d(b.key)+2)+" ,0)"})
	 .append("path").datum(function(b){return b.value}).style("stroke","#000000").style("stroke-width","0.25").style("fill","#A9A9A9").attr("d",d3.area().x0(l(0)).x1(functi