** Copied from https://bl.ocks.org/mbostock/3887118 Then updated to D3 V4 **
This scatterplot is constructed from a TSV file storing the dimensions of sepals and petals of various iris flowers. The chart employs conventional margins and a number of D3 features:
forked from sebg's block: D3V4 Scatterplot
https://d3js.org/d3.v4.min.js