{
const features = ["sepalLength", "sepalWidth", "petalLength", "petalWidth"];
const subGraphSize = 200;
const margin = {left:70, right:0, top:0, bottom:40};
const width = margin.left + margin.right + features.length * subGraphSize;
const height = margin.top + margin.bottom + features.length * subGraphSize;
const svg = d3.create("svg")
.attr("viewbox", [0, 0, width, height])
.style("height", `${height}px`)
.style("width", `${width}px`);
return svg.node();
}