chart7 = {
const svg = html`<svg width=${width} height=${height}>
<style>${style}</style>
</svg>`;
const chart = parsets()
.dimensions(dimensions_to_show_7)
.tension(tension);
const vis = d3
.select(svg)
.append("svg")
.attr("width", chart.width())
.attr("height", chart.height())
.datum(data)
.call(chart);
return svg;
}